[16661.578619]  ? rcu_read_lock_sched_held+0x12/0x60
[16661.578779]  ? lock_release+0x1f0/0x2d0
[16661.578920]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16661.579091]  process_one_work+0x270/0x5a0
[16661.579243]  worker_thread+0x55/0x3c0
[16661.579377]  ? process_one_work+0x5a0/0x5a0
[16661.579534]  kthread+0x174/0x1a0
[16661.579666]  ? set_kthread_struct+0x40/0x40
[16661.579810]  ret_from_fork+0x1f/0x30
[16661.579946]  
[16661.580058] irq event stamp: 0
[16661.580190] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16661.580366] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16661.580621] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16661.580868] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16661.581043] ---[ end trace b600c386fb5e1750 ]---
[16661.581982] ------------[ cut here ]------------
[16661.582148] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16661.582421] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16661.583829] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16661.584083] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16661.584341] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16661.584539] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16661.584708] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16661.585161] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16661.585322] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16661.585526] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16661.585714] RBP: 0000000000000000 R08: ffff8a8704d80e60 R09: 0000000000000000
[16661.585904] R10: ffff8a8705c34000 R11: ffff8a87057e4a08 R12: ffff8a871a8beaf0
[16661.586093] R13: ffff8a8701f55c60 R14: ffff8a8704d80d68 R15: ffff8a8704d80e10
[16661.586288] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16661.586542] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16661.586714] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16661.586907] Call Trace:
[16661.587021]  
[16661.587136]  ? lock_release+0x1f0/0x2d0
[16661.587279]  ? _raw_spin_unlock+0x29/0x40
[16661.587420]  ? join_transaction+0x12a/0x490
[16661.587579]  btrfs_run_delayed_refs+0x86/0x210
[16661.587732]  flush_space+0x3c8/0x5f0
[16661.587868]  ? _raw_spin_trylock_bh+0x31/0x70
[16661.588016]  ? rcu_read_lock_sched_held+0x12/0x60
[16661.588172]  ? lock_release+0x1f0/0x2d0
[16661.588315]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16661.588496]  process_one_work+0x270/0x5a0
[16661.588640]  worker_thread+0x55/0x3c0
[16661.588776]  ? process_one_work+0x5a0/0x5a0
[16661.588922]  kthread+0x174/0x1a0
[16661.589053]  ? set_kthread_struct+0x40/0x40
[16661.589201]  ret_from_fork+0x1f/0x30
[16661.589337]  
[16661.589460] irq event stamp: 0
[16661.589585] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16661.589763] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16661.595560] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16661.595812] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16661.595988] ---[ end trace b600c386fb5e1751 ]---
[16661.596167] ------------[ cut here ]------------
[16661.596319] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16661.596608] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16661.597968] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16661.598232] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16661.598492] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16661.598681] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16661.598852] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16661.599299] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16661.599472] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16661.599667] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16661.599857] RBP: 0000000000000000 R08: ffff8a87160b1490 R09: 0000000000000000
[16661.600049] R10: ffff8a8704d80d00 R11: 000000000000278b R12: ffff8a870540fe70
[16661.600243] R13: ffff8a8701f55c60 R14: ffff8a87160b13a8 R15: ffff8a87160b1450
[16661.600436] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16661.600692] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16661.600861] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16661.601054] Call Trace:
[16661.601176]  
[16661.601286]  ? lock_release+0x1f0/0x2d0
[16661.601427]  ? _raw_spin_unlock+0x29/0x40
[16661.601583]  ? join_transaction+0x12a/0x490
[16661.601749]  btrfs_run_delayed_refs+0x86/0x210
[16661.601898]  flush_space+0x3c8/0x5f0
[16661.602032]  ? _raw_spin_trylock_bh+0x31/0x70
[16661.602185]  ? rcu_read_lock_sched_held+0x12/0x60
[16661.602338]  ? lock_release+0x1f0/0x2d0
[16661.602492]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16661.602665]  process_one_work+0x270/0x5a0
[16661.602810]  worker_thread+0x55/0x3c0
[16661.602947]  ? process_one_work+0x5a0/0x5a0
[16661.603088]  kthread+0x174/0x1a0
[16661.603224]  ? set_kthread_struct+0x40/0x40
[16661.603369]  ret_from_fork+0x1f/0x30
[16661.603519]  
[16661.603631] irq event stamp: 0
[16661.603758] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16661.603934] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16661.604180] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16661.604428] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16661.604616] ---[ end trace b600c386fb5e1752 ]---
[16661.604791] ------------[ cut here ]------------
[16661.604945] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16661.605228] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16661.606594] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16661.606857] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16661.607113] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16661.607304] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16661.607484] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16661.607930] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16661.608091] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16661.608287] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16661.608489] RBP: 0000000000000000 R08: ffff8a8716672490 R09: 0000000000000000
[16661.608683] R10: ffff8a87160b1300 R11: 0000000000000001 R12: ffff8a8737a745b0
[16661.608872] R13: ffff8a8701f55c60 R14: ffff8a87166723a8 R15: ffff8a8716672450
[16661.609062] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16661.609303] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16661.609485] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16661.609678] Call Trace:
[16661.609797]  
[16661.609906]  ? lock_release+0x1f0/0x2d0
[16661.610050]  ? _raw_spin_unlock+0x29/0x40
[16661.610199]  ? join_transaction+0x12a/0x490
[16661.610341]  btrfs_run_delayed_refs+0x86/0x210
[16661.610504]  flush_space+0x3c8/0x5f0
[16661.610642]  ? _raw_spin_trylock_bh+0x31/0x70
[16661.610798]  ? rcu_read_lock_sched_held+0x12/0x60
[16661.610951]  ? lock_release+0x1f0/0x2d0
[16661.611093]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16661.611867]  process_one_work+0x270/0x5a0
[16661.612018]  worker_thread+0x55/0x3c0
[16661.612160]  ? process_one_work+0x5a0/0x5a0
[16661.612305]  kthread+0x174/0x1a0
[16661.612436]  ? set_kthread_struct+0x40/0x40
[16661.612590]  ret_from_fork+0x1f/0x30
[16661.612728]  
[16661.612841] irq event stamp: 0
[16661.612966] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16661.613146] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16661.613394] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16661.613649] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16661.613831] ---[ end trace b600c386fb5e1753 ]---
[16661.614012] ------------[ cut here ]------------
[16661.614171] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16661.614443] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16661.615833] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16661.616086] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16661.616343] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16661.616542] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16661.616725] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16661.617186] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16661.617348] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16661.617552] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16661.617743] RBP: 0000000000000000 R08: ffff8a87160b05c8 R09: 0000000000000000
[16661.617932] R10: ffff8a8716672301 R11: 0000000000000001 R12: ffff8a870540fe00
[16661.618121] R13: ffff8a8701f55c60 R14: ffff8a87160b04e0 R15: ffff8a87160b0588
[16661.618316] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16661.618566] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16661.618738] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16661.618928] Call Trace:
[16661.619044]  
[16661.619161]  ? lock_release+0x1f0/0x2d0
[16661.619305]  ? _raw_spin_unlock+0x29/0x40
[16661.619458]  ? join_transaction+0x12a/0x490
[16661.619604]  btrfs_run_delayed_refs+0x86/0x210
[16661.619757]  flush_space+0x3c8/0x5f0
[16661.619893]  ? _raw_spin_trylock_bh+0x31/0x70
[16661.620037]  ? rcu_read_lock_sched_held+0x12/0x60
[16661.620196]  ? lock_release+0x1f0/0x2d0
[16661.620337]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16661.620518]  process_one_work+0x270/0x5a0
[16661.620660]  worker_thread+0x55/0x3c0
[16661.620809]  ? process_one_work+0x5a0/0x5a0
[16661.620956]  kthread+0x174/0x1a0
[16661.621084]  ? set_kthread_struct+0x40/0x40
[16661.621231]  ret_from_fork+0x1f/0x30
[16661.621369]  
[16661.621495] irq event stamp: 0
[16661.621622] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16661.621802] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16661.622050] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16661.622297] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16661.622489] ---[ end trace b600c386fb5e1754 ]---
[16661.622671] ------------[ cut here ]------------
[16661.622824] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16661.623095] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16661.630054] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16661.630317] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16661.630579] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16661.630773] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16661.630937] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16661.631387] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16661.631562] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16661.631756] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16661.631949] RBP: 0000000000000000 R08: ffff8a8716672e50 R09: 0000000000000000
[16661.632142] R10: ffff8a877ffd5000 R11: 000000000003a560 R12: ffff8a8737a74310
[16661.632336] R13: ffff8a8701f55c60 R14: ffff8a8716672d68 R15: ffff8a8716672e10
[16661.632539] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16661.632781] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16661.632949] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16661.633149] Call Trace:
[16661.633268]  
[16661.633379]  ? lock_release+0x1f0/0x2d0
[16661.633533]  ? _raw_spin_unlock+0x29/0x40
[16661.633678]  ? join_transaction+0x12a/0x490
[16661.633824]  btrfs_run_delayed_refs+0x86/0x210
[16661.633972]  flush_space+0x3c8/0x5f0
[16661.634108]  ? _raw_spin_trylock_bh+0x31/0x70
[16661.634263]  ? rcu_read_lock_sched_held+0x12/0x60
[16661.634414]  ? lock_release+0x1f0/0x2d0
[16661.634565]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16661.634738]  process_one_work+0x270/0x5a0
[16661.634883]  worker_thread+0x55/0x3c0
[16661.635017]  ? process_one_work+0x5a0/0x5a0
[16661.635166]  kthread+0x174/0x1a0
[16661.635296]  ? set_kthread_struct+0x40/0x40
[16661.635439]  ret_from_fork+0x1f/0x30
[16661.635588]  
[16661.635703] irq event stamp: 0
[16661.635829] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16661.636005] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16661.636250] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16661.636508] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16661.636686] ---[ end trace b600c386fb5e1755 ]---
[16661.636866] ------------[ cut here ]------------
[16661.637021] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16661.637297] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16661.638676] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16661.638929] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16661.639186] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16661.639375] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16661.639551] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16661.640056] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16661.640225] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16661.640417] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16661.640620] RBP: 0000000000000000 R08: ffff8a8716672d18 R09: 0000000000000000
[16661.640820] R10: ffff8a8716672d00 R11: ffffce87c0000000 R12: ffff8a8737a74a10
[16661.641012] R13: ffff8a8701f55c60 R14: ffff8a8716672c30 R15: ffff8a8716672cd8
[16661.641984] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16661.642236] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16661.642406] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16661.642612] Call Trace:
[16661.642729]  
[16661.642839]  ? lock_release+0x1f0/0x2d0
[16661.642981]  ? _raw_spin_unlock+0x29/0x40
[16661.643122]  ? join_transaction+0x12a/0x490
[16661.643273]  btrfs_run_delayed_refs+0x86/0x210
[16661.643425]  flush_space+0x3c8/0x5f0
[16661.643573]  ? _raw_spin_trylock_bh+0x31/0x70
[16661.643722]  ? rcu_read_lock_sched_held+0x12/0x60
[16661.643873]  ? lock_release+0x1f0/0x2d0
[16661.644016]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16661.644190]  process_one_work+0x270/0x5a0
[16661.644332]  worker_thread+0x55/0x3c0
[16661.644478]  ? process_one_work+0x5a0/0x5a0
[16661.644626]  kthread+0x174/0x1a0
[16661.644768]  ? set_kthread_struct+0x40/0x40
[16661.644914]  ret_from_fork+0x1f/0x30
[16661.645053]  
[16661.645170] irq event stamp: 0
[16661.645294] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16661.645488] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16661.645740] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16661.645981] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16661.646163] ---[ end trace b600c386fb5e1756 ]---
[16661.646349] ------------[ cut here ]------------
[16661.646512] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16661.646784] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16661.648166] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16661.648421] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16661.648685] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16661.648872] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16661.649039] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16661.649511] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16661.649672] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16661.649860] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16661.650051] RBP: 0000000000000000 R08: ffff8a87057220e8 R09: 0000000000000000
[16661.650243] R10: ffff8a8716672c00 R11: ffffce87c0000000 R12: ffff8a8705805c40
[16661.650433] R13: ffff8a8701f55c60 R14: ffff8a8705722000 R15: ffff8a87057220a8
[16661.650633] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16661.650881] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16661.651046] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16661.651242] Call Trace:
[16661.651355]  
[16661.651479]  ? lock_release+0x1f0/0x2d0
[16661.651620]  ? _raw_spin_unlock+0x29/0x40
[16661.651761]  ? join_transaction+0x12a/0x490
[16661.651909]  btrfs_run_delayed_refs+0x86/0x210
[16661.652059]  flush_space+0x3c8/0x5f0
[16661.652198]  ? _raw_spin_trylock_bh+0x31/0x70
[16661.652346]  ? rcu_read_lock_sched_held+0x12/0x60
[16661.652512]  ? lock_release+0x1f0/0x2d0
[16661.652655]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16661.652822]  process_one_work+0x270/0x5a0
[16661.652962]  worker_thread+0x55/0x3c0
[16661.653101]  ? process_one_work+0x5a0/0x5a0
[16661.653254]  kthread+0x174/0x1a0
[16661.653381]  ? set_kthread_struct+0x40/0x40
[16661.653538]  ret_from_fork+0x1f/0x30
[16661.653678]  
[16661.653787] irq event stamp: 0
[16661.653910] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16661.654088] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16661.654339] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16661.654603] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16661.654784] ---[ end trace b600c386fb5e1757 ]---
[16661.654981] ------------[ cut here ]------------
[16661.655139] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16661.655416] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16661.656772] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16661.662617] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16661.662873] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16661.663060] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16661.663228] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16661.663691] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16661.663859] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16661.664050] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16661.664248] RBP: 0000000000000000 R08: ffff8a8713f9abf0 R09: 0000000000000000
[16661.664438] R10: ffff8a8705722000 R11: ffff8a87057e4a08 R12: ffff8a8704524070
[16661.664640] R13: ffff8a8701f55c60 R14: ffff8a8713f9aaf8 R15: ffff8a8713f9aba0
[16661.664829] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16661.665071] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16661.665246] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16661.665440] Call Trace:
[16661.665569]  
[16661.665681]  ? lock_release+0x1f0/0x2d0
[16661.665822]  ? _raw_spin_unlock+0x29/0x40
[16661.665966]  ? join_transaction+0x12a/0x490
[16661.666111]  btrfs_run_delayed_refs+0x86/0x210
[16661.666263]  flush_space+0x3c8/0x5f0
[16661.666400]  ? _raw_spin_trylock_bh+0x31/0x70
[16661.666558]  ? rcu_read_lock_sched_held+0x12/0x60
[16661.666712]  ? lock_release+0x1f0/0x2d0
[16661.666856]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16661.667025]  process_one_work+0x270/0x5a0
[16661.667172]  worker_thread+0x55/0x3c0
[16661.667308]  ? process_one_work+0x5a0/0x5a0
[16661.667465]  kthread+0x174/0x1a0
[16661.667594]  ? set_kthread_struct+0x40/0x40
[16661.667738]  ret_from_fork+0x1f/0x30
[16661.667874]  
[16661.667986] irq event stamp: 0
[16661.668110] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16661.668288] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16661.668547] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16661.668790] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16661.668968] ---[ end trace b600c386fb5e1758 ]---
[16661.669150] ------------[ cut here ]------------
[16661.669302] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16661.669586] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16661.670999] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16661.672002] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16661.672261] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16661.672457] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16661.672623] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16661.673074] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16661.673238] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16661.673428] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16661.673627] RBP: 0000000000000000 R08: ffff8a8713f9abe0 R09: 0000000000000000
[16661.673817] R10: ffff8a8704524000 R11: 0000000000002613 R12: ffff8a876428fc40
[16661.674003] R13: ffff8a8701f55c60 R14: ffff8a8713f9aaf8 R15: ffff8a8713f9aba0
[16661.674197] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16661.674434] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16661.674615] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16661.674805] Call Trace:
[16661.674920]  
[16661.675033]  ? lock_release+0x1f0/0x2d0
[16661.675181]  ? _raw_spin_unlock+0x29/0x40
[16661.675324]  ? join_transaction+0x12a/0x490
[16661.675483]  btrfs_run_delayed_refs+0x86/0x210
[16661.675636]  flush_space+0x3c8/0x5f0
[16661.675772]  ? _raw_spin_trylock_bh+0x31/0x70
[16661.675919]  ? rcu_read_lock_sched_held+0x12/0x60
[16661.676074]  ? lock_release+0x1f0/0x2d0
[16661.676221]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16661.676385]  process_one_work+0x270/0x5a0
[16661.676538]  worker_thread+0x55/0x3c0
[16661.676677]  ? process_one_work+0x5a0/0x5a0
[16661.676822]  kthread+0x174/0x1a0
[16661.676949]  ? set_kthread_struct+0x40/0x40
[16661.677091]  ret_from_fork+0x1f/0x30
[16661.677235]  
[16661.677348] irq event stamp: 0
[16661.677481] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16661.677661] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16661.677909] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16661.678152] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16661.678330] ---[ end trace b600c386fb5e1759 ]---
[16661.678538] ------------[ cut here ]------------
[16661.678691] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16661.678961] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16661.680325] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16661.680594] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16661.680843] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16661.681029] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16661.681202] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16661.681673] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16661.681854] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16661.682047] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16661.682240] RBP: 0000000000000000 R08: ffff8a87053704a0 R09: 0000000000000000
[16661.682429] R10: ffff8a8713f9aa00 R11: 0000000000000001 R12: ffff8a8704524f50
[16661.682632] R13: ffff8a8701f55c60 R14: ffff8a87053703a8 R15: ffff8a8705370450
[16661.682826] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16661.683072] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16661.683244] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16661.683434] Call Trace:
[16661.683560]  
[16661.683676]  ? lock_release+0x1f0/0x2d0
[16661.683815]  ? _raw_spin_unlock+0x29/0x40
[16661.683957]  ? join_transaction+0x12a/0x490
[16661.684104]  btrfs_run_delayed_refs+0x86/0x210
[16661.684260]  flush_space+0x3c8/0x5f0
[16661.684393]  ? _raw_spin_trylock_bh+0x31/0x70
[16661.684556]  ? rcu_read_lock_sched_held+0x12/0x60
[16661.684712]  ? lock_release+0x1f0/0x2d0
[16661.684853]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16661.685019]  process_one_work+0x270/0x5a0
[16661.685167]  worker_thread+0x55/0x3c0
[16661.685305]  ? process_one_work+0x5a0/0x5a0
[16661.685459]  kthread+0x174/0x1a0
[16661.685588]  ? set_kthread_struct+0x40/0x40
[16661.685733]  ret_from_fork+0x1f/0x30
[16661.685871]  
[16661.685981] irq event stamp: 0
[16661.686107] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16661.686289] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16661.686544] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16661.686796] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16661.686971] ---[ end trace b600c386fb5e175a ]---
[16661.687154] ------------[ cut here ]------------
[16661.687306] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16661.687595] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16661.688954] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16661.689217] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16661.689476] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16661.689666] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16661.689835] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16661.690286] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16661.696024] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16661.696222] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16661.696413] RBP: 0000000000000000 R08: ffff8a87053714a0 R09: 0000000000000000
[16661.696614] R10: ffff8a8705370300 R11: 00000000000025c1 R12: ffff8a8737a438c0
[16661.696805] R13: ffff8a8701f55c60 R14: ffff8a87053713a8 R15: ffff8a8705371450
[16661.696993] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16661.697236] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16661.697407] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16661.697610] Call Trace:
[16661.697730]  
[16661.697841]  ? lock_release+0x1f0/0x2d0
[16661.697983]  ? _raw_spin_unlock+0x29/0x40
[16661.698128]  ? join_transaction+0x12a/0x490
[16661.698271]  btrfs_run_delayed_refs+0x86/0x210
[16661.698423]  flush_space+0x3c8/0x5f0
[16661.698571]  ? _raw_spin_trylock_bh+0x31/0x70
[16661.698718]  ? rcu_read_lock_sched_held+0x12/0x60
[16661.698871]  ? lock_release+0x1f0/0x2d0
[16661.699013]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16661.699188]  process_one_work+0x270/0x5a0
[16661.699330]  worker_thread+0x55/0x3c0
[16661.699477]  ? process_one_work+0x5a0/0x5a0
[16661.699623]  kthread+0x174/0x1a0
[16661.699753]  ? set_kthread_struct+0x40/0x40
[16661.699896]  ret_from_fork+0x1f/0x30
[16661.700030]  
[16661.700148] irq event stamp: 0
[16661.700275] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16661.700465] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16661.700714] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16661.700957] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16661.701140] ---[ end trace b600c386fb5e175b ]---
[16661.701970] ------------[ cut here ]------------
[16661.702121] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16661.702402] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16661.703776] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16661.704029] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16661.704286] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16661.704486] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16661.704654] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16661.705110] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16661.705278] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16661.705479] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16661.705669] RBP: 0000000000000000 R08: ffff8a8705371490 R09: 0000000000000000
[16661.705867] R10: ffff8a8737a43800 R11: 000000000000258c R12: ffff8a8705805690
[16661.706057] R13: ffff8a8701f55c60 R14: ffff8a87053713a8 R15: ffff8a8705371450
[16661.706251] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16661.706507] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16661.706676] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16661.706876] Call Trace:
[16661.706992]  
[16661.707106]  ? lock_release+0x1f0/0x2d0
[16661.707257]  ? _raw_spin_unlock+0x29/0x40
[16661.707399]  ? join_transaction+0x12a/0x490
[16661.707559]  btrfs_run_delayed_refs+0x86/0x210
[16661.707713]  flush_space+0x3c8/0x5f0
[16661.707846]  ? _raw_spin_trylock_bh+0x31/0x70
[16661.707992]  ? rcu_read_lock_sched_held+0x12/0x60
[16661.708150]  ? lock_release+0x1f0/0x2d0
[16661.708292]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16661.708473]  process_one_work+0x270/0x5a0
[16661.708616]  worker_thread+0x55/0x3c0
[16661.708755]  ? process_one_work+0x5a0/0x5a0
[16661.708900]  kthread+0x174/0x1a0
[16661.709028]  ? set_kthread_struct+0x40/0x40
[16661.709173]  ret_from_fork+0x1f/0x30
[16661.709313]  
[16661.709424] irq event stamp: 0
[16661.709561] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16661.709741] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16661.709989] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16661.710235] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16661.710413] ---[ end trace b600c386fb5e175c ]---
[16661.710599] ------------[ cut here ]------------
[16661.710764] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16661.711038] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16661.712411] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16661.712682] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16661.712932] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16661.713120] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16661.713295] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16661.713760] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16661.713921] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16661.714110] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16661.714301] RBP: 0000000000000000 R08: ffff8a8716672700 R09: 0000000000000000
[16661.714505] R10: ffff8a8705371300 R11: 0000000000000001 R12: ffff8a8737a74700
[16661.714698] R13: ffff8a8701f55c60 R14: ffff8a8716672618 R15: ffff8a87166726c0
[16661.714890] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16661.715138] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16661.715306] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16661.715508] Call Trace:
[16661.715625]  
[16661.715749]  ? lock_release+0x1f0/0x2d0
[16661.715889]  ? _raw_spin_unlock+0x29/0x40
[16661.716032]  ? join_transaction+0x12a/0x490
[16661.716182]  btrfs_run_delayed_refs+0x86/0x210
[16661.716332]  flush_space+0x3c8/0x5f0
[16661.716479]  ? _raw_spin_trylock_bh+0x31/0x70
[16661.716630]  ? rcu_read_lock_sched_held+0x12/0x60
[16661.716785]  ? lock_release+0x1f0/0x2d0
[16661.716923]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16661.717091]  process_one_work+0x270/0x5a0
[16661.717240]  worker_thread+0x55/0x3c0
[16661.717377]  ? process_one_work+0x5a0/0x5a0
[16661.717532]  kthread+0x174/0x1a0
[16661.717662]  ? set_kthread_struct+0x40/0x40
[16661.717808]  ret_from_fork+0x1f/0x30
[16661.717947]  
[16661.718056] irq event stamp: 0
[16661.718187] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16661.718365] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16661.718618] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16661.718868] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16661.719042] ---[ end trace b600c386fb5e175d ]---
[16661.719220] ------------[ cut here ]------------
[16661.719374] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16661.719664] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16661.721047] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16661.721310] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16661.721568] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16661.721760] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16661.721927] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16661.722375] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16661.722548] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16661.722754] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16661.722947] RBP: 0000000000000000 R08: ffff8a8716672220 R09: 0000000000000000
[16661.723142] R10: ffff8a8716672600 R11: 0000000000000001 R12: ffff8a8737a74a80
[16661.723336] R13: ffff8a8701f55c60 R14: ffff8a8716672138 R15: ffff8a87166721e0
[16661.723540] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16661.723785] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16661.723950] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16661.729750] Call Trace:
[16661.729867]  
[16661.729979]  ? lock_release+0x1f0/0x2d0
[16661.730120]  ? _raw_spin_unlock+0x29/0x40
[16661.730267]  ? join_transaction+0x12a/0x490
[16661.730413]  btrfs_run_delayed_refs+0x86/0x210
[16661.730576]  flush_space+0x3c8/0x5f0
[16661.730715]  ? _raw_spin_trylock_bh+0x31/0x70
[16661.730863]  ? rcu_read_lock_sched_held+0x12/0x60
[16661.731014]  ? lock_release+0x1f0/0x2d0
[16661.731892]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16661.732064]  process_one_work+0x270/0x5a0
[16661.732215]  worker_thread+0x55/0x3c0
[16661.732351]  ? process_one_work+0x5a0/0x5a0
[16661.732511]  kthread+0x174/0x1a0
[16661.732645]  ? set_kthread_struct+0x40/0x40
[16661.732786]  ret_from_fork+0x1f/0x30
[16661.732924]  
[16661.733037] irq event stamp: 0
[16661.733164] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16661.733343] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16661.733605] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16661.733850] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16661.734032] ---[ end trace b600c386fb5e175e ]---
[16661.734220] ------------[ cut here ]------------
[16661.734374] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16661.734661] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16661.736033] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16661.736296] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16661.736563] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16661.736750] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16661.736920] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16661.737377] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16661.737548] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16661.737740] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16661.737928] RBP: 0000000000000000 R08: ffff8a8716672838 R09: 0000000000000000
[16661.738119] R10: ffff8a8716672100 R11: 0000000000000001 R12: ffff8a8737a74540
[16661.738312] R13: ffff8a8701f55c60 R14: ffff8a8716672750 R15: ffff8a87166727f8
[16661.738517] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16661.738763] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16661.738932] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16661.739121] Call Trace:
[16661.739240]  
[16661.739354]  ? lock_release+0x1f0/0x2d0
[16661.739504]  ? _raw_spin_unlock+0x29/0x40
[16661.739649]  ? join_transaction+0x12a/0x490
[16661.739797]  btrfs_run_delayed_refs+0x86/0x210
[16661.739949]  flush_space+0x3c8/0x5f0
[16661.740083]  ? _raw_spin_trylock_bh+0x31/0x70
[16661.740235]  ? rcu_read_lock_sched_held+0x12/0x60
[16661.740390]  ? lock_release+0x1f0/0x2d0
[16661.740543]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16661.740712]  process_one_work+0x270/0x5a0
[16661.740855]  worker_thread+0x55/0x3c0
[16661.740993]  ? process_one_work+0x5a0/0x5a0
[16661.741144]  kthread+0x174/0x1a0
[16661.741273]  ? set_kthread_struct+0x40/0x40
[16661.741418]  ret_from_fork+0x1f/0x30
[16661.741569]  
[16661.741683] irq event stamp: 0
[16661.741821] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16661.742000] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16661.742266] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16661.742528] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16661.742706] ---[ end trace b600c386fb5e175f ]---
[16661.742884] ------------[ cut here ]------------
[16661.743038] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16661.743322] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16661.744682] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16661.744941] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16661.745195] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16661.745385] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16661.745564] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16661.746029] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16661.746193] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16661.746381] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16661.746586] RBP: 0000000000000000 R08: ffff8a8716672aa8 R09: 0000000000000000
[16661.746780] R10: ffff8a8716672700 R11: 0000000000000001 R12: ffff8a8737a74850
[16661.746973] R13: ffff8a8701f55c60 R14: ffff8a87166729c0 R15: ffff8a8716672a68
[16661.747170] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16661.747416] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16661.747595] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16661.747788] Call Trace:
[16661.747906]  
[16661.748019]  ? lock_release+0x1f0/0x2d0
[16661.748162]  ? _raw_spin_unlock+0x29/0x40
[16661.748307]  ? join_transaction+0x12a/0x490
[16661.748469]  btrfs_run_delayed_refs+0x86/0x210
[16661.748621]  flush_space+0x3c8/0x5f0
[16661.748754]  ? _raw_spin_trylock_bh+0x31/0x70
[16661.748905]  ? rcu_read_lock_sched_held+0x12/0x60
[16661.749060]  ? lock_release+0x1f0/0x2d0
[16661.749204]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16661.749370]  process_one_work+0x270/0x5a0
[16661.749527]  worker_thread+0x55/0x3c0
[16661.749672]  ? process_one_work+0x5a0/0x5a0
[16661.749827]  kthread+0x174/0x1a0
[16661.749957]  ? set_kthread_struct+0x40/0x40
[16661.750104]  ret_from_fork+0x1f/0x30
[16661.750245]  
[16661.750355] irq event stamp: 0
[16661.750495] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16661.750673] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16661.750926] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16661.751176] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16661.751352] ---[ end trace b600c386fb5e1760 ]---
[16661.751546] ------------[ cut here ]------------
[16661.751700] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16661.751975] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16661.753344] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16661.753610] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16661.753864] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16661.754053] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16661.754220] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16661.754683] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16661.754853] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16661.755045] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16661.755242] RBP: 0000000000000000 R08: ffff8a8716672f88 R09: 0000000000000000
[16661.755433] R10: ffff8a8716672900 R11: 0000000000000001 R12: ffff8a8737a74f50
[16661.755636] R13: ffff8a8701f55c60 R14: ffff8a8716672ea0 R15: ffff8a8716672f48
[16661.755830] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16661.756067] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16661.756241] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16661.756434] Call Trace:
[16661.756563]  
[16661.756675]  ? lock_release+0x1f0/0x2d0
[16661.756816]  ? _raw_spin_unlock+0x29/0x40
[16661.756964]  ? join_transaction+0x12a/0x490
[16661.757109]  btrfs_run_delayed_refs+0x86/0x210
[16661.757261]  flush_space+0x3c8/0x5f0
[16661.757397]  ? _raw_spin_trylock_bh+0x31/0x70
[16661.757560]  ? rcu_read_lock_sched_held+0x12/0x60
[16661.764179]  ? lock_release+0x1f0/0x2d0
[16661.764330]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16661.764514]  process_one_work+0x270/0x5a0
[16661.764660]  worker_thread+0x55/0x3c0
[16661.764801]  ? process_one_work+0x5a0/0x5a0
[16661.764951]  kthread+0x174/0x1a0
[16661.765079]  ? set_kthread_struct+0x40/0x40
[16661.765233]  ret_from_fork+0x1f/0x30
[16661.765374]  
[16661.765499] irq event stamp: 0
[16661.765625] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16661.765813] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16661.766066] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16661.766320] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16661.766513] ---[ end trace b600c386fb5e1761 ]---
[16661.766706] ------------[ cut here ]------------
[16661.766859] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16661.767144] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16661.768520] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16661.768784] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16661.769032] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16661.769235] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16661.769406] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16661.769875] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16661.770039] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16661.770241] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16661.770434] RBP: 0000000000000000 R08: ffff8a8737a75490 R09: 0000000000000000
[16661.770640] R10: ffff8a8716672e00 R11: 0000000000000001 R12: ffff8a8737a740e0
[16661.770836] R13: ffff8a8701f55c60 R14: ffff8a8737a753a8 R15: ffff8a8737a75450
[16661.771030] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16661.771289] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16661.771469] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16661.771665] Call Trace:
[16661.771782]  
[16661.771897]  ? lock_release+0x1f0/0x2d0
[16661.772037]  ? _raw_spin_unlock+0x29/0x40
[16661.772187]  ? join_transaction+0x12a/0x490
[16661.772338]  btrfs_run_delayed_refs+0x86/0x210
[16661.772501]  flush_space+0x3c8/0x5f0
[16661.772639]  ? _raw_spin_trylock_bh+0x31/0x70
[16661.772791]  ? rcu_read_lock_sched_held+0x12/0x60
[16661.772947]  ? lock_release+0x1f0/0x2d0
[16661.773089]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16661.773268]  process_one_work+0x270/0x5a0
[16661.773414]  worker_thread+0x55/0x3c0
[16661.773566]  ? process_one_work+0x5a0/0x5a0
[16661.773714]  kthread+0x174/0x1a0
[16661.773842]  ? set_kthread_struct+0x40/0x40
[16661.773991]  ret_from_fork+0x1f/0x30
[16661.774141]  
[16661.774254] irq event stamp: 0
[16661.774384] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16661.774577] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16661.774825] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16661.775075] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16661.775262] ---[ end trace b600c386fb5e1762 ]---
[16661.775458] ------------[ cut here ]------------
[16661.775613] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16661.775893] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16661.777281] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16661.777555] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16661.777806] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16661.777998] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16661.778178] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16661.778640] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16661.778805] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16661.778997] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16661.779201] RBP: 0000000000000000 R08: ffff8a8737a75e50 R09: 0000000000000000
[16661.779395] R10: ffff8a8737a75301 R11: 0000000000000001 R12: ffff8a8737a74c40
[16661.779601] R13: ffff8a8701f55c60 R14: ffff8a8737a75d68 R15: ffff8a8737a75e10
[16661.779795] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16661.780043] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16661.780213] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16661.780410] Call Trace:
[16661.780540]  
[16661.780656]  ? lock_release+0x1f0/0x2d0
[16661.780797]  ? _raw_spin_unlock+0x29/0x40
[16661.780943]  ? join_transaction+0x12a/0x490
[16661.781091]  btrfs_run_delayed_refs+0x86/0x210
[16661.781250]  flush_space+0x3c8/0x5f0
[16661.781389]  ? _raw_spin_trylock_bh+0x31/0x70
[16661.781555]  ? rcu_read_lock_sched_held+0x12/0x60
[16661.781711]  ? lock_release+0x1f0/0x2d0
[16661.781853]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16661.782025]  process_one_work+0x270/0x5a0
[16661.782183]  worker_thread+0x55/0x3c0
[16661.782321]  ? process_one_work+0x5a0/0x5a0
[16661.782483]  kthread+0x174/0x1a0
[16661.782617]  ? set_kthread_struct+0x40/0x40
[16661.782766]  ret_from_fork+0x1f/0x30
[16661.782904]  
[16661.783016] irq event stamp: 0
[16661.783154] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16661.783333] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16661.783591] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16661.783844] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16661.784024] ---[ end trace b600c386fb5e1763 ]---
[16661.784212] ------------[ cut here ]------------
[16661.784367] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16661.784656] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16661.786043] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16661.786307] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16661.786576] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16661.786765] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16661.786933] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16661.787392] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16661.787569] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16661.787765] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16661.787960] RBP: 0000000000000000 R08: ffff8a8737a75d18 R09: 0000000000000000
[16661.788156] R10: ffff8a8737a75d00 R11: 0000000000000001 R12: ffff8a8737a748c0
[16661.788348] R13: ffff8a8701f55c60 R14: ffff8a8737a75c30 R15: ffff8a8737a75cd8
[16661.788550] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16661.788795] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16661.788966] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16661.789171] Call Trace:
[16661.789290]  
[16661.789403]  ? lock_release+0x1f0/0x2d0
[16661.789560]  ? _raw_spin_unlock+0x29/0x40
[16661.789705]  ? join_transaction+0x12a/0x490
[16661.789854]  btrfs_run_delayed_refs+0x86/0x210
[16661.790005]  flush_space+0x3c8/0x5f0
[16661.790153]  ? _raw_spin_trylock_bh+0x31/0x70
[16661.790304]  ? rcu_read_lock_sched_held+0x12/0x60
[16661.790471]  ? lock_release+0x1f0/0x2d0
[16661.790617]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16661.790790]  process_one_work+0x270/0x5a0
[16661.790933]  worker_thread+0x55/0x3c0
[16661.791071]  ? process_one_work+0x5a0/0x5a0
[16661.791959]  kthread+0x174/0x1a0
[16661.792099]  ? set_kthread_struct+0x40/0x40
[16661.792251]  ret_from_fork+0x1f/0x30
[16661.792391]  
[16661.798135] irq event stamp: 0
[16661.798270] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16661.798464] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16661.798715] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16661.798964] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16661.799150] ---[ end trace b600c386fb5e1764 ]---
[16661.799340] ------------[ cut here ]------------
[16661.799507] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16661.799791] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16661.801175] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16661.801437] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16661.801698] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16661.801892] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16661.802061] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16661.802542] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16661.802705] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16661.802898] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16661.803093] RBP: 0000000000000000 R08: ffff8a8737b7de50 R09: 0000000000000000
[16661.803296] R10: ffff8a8737a75c00 R11: 0000000000000001 R12: ffff8a8737a74bd0
[16661.803504] R13: ffff8a8701f55c60 R14: ffff8a8737b7dd68 R15: ffff8a8737b7de10
[16661.803702] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16661.803948] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16661.804118] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16661.804319] Call Trace:
[16661.804441]  
[16661.804573]  ? lock_release+0x1f0/0x2d0
[16661.804716]  ? _raw_spin_unlock+0x29/0x40
[16661.804865]  ? join_transaction+0x12a/0x490
[16661.805015]  btrfs_run_delayed_refs+0x86/0x210
[16661.805177]  flush_space+0x3c8/0x5f0
[16661.805314]  ? _raw_spin_trylock_bh+0x31/0x70
[16661.805480]  ? rcu_read_lock_sched_held+0x12/0x60
[16661.805640]  ? lock_release+0x1f0/0x2d0
[16661.805781]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16661.805954]  process_one_work+0x270/0x5a0
[16661.806104]  worker_thread+0x55/0x3c0
[16661.806255]  ? process_one_work+0x5a0/0x5a0
[16661.806403]  kthread+0x174/0x1a0
[16661.806552]  ? set_kthread_struct+0x40/0x40
[16661.806703]  ret_from_fork+0x1f/0x30
[16661.806842]  
[16661.806956] irq event stamp: 0
[16661.807086] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16661.807274] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16661.807535] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16661.807817] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16661.807995] ---[ end trace b600c386fb5e1765 ]---
[16661.808185] ------------[ cut here ]------------
[16661.808342] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16661.808634] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16661.810019] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16661.810286] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16661.810556] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16661.810749] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16661.810918] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16661.811373] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16661.811550] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16661.811745] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16661.811938] RBP: 0000000000000000 R08: ffff8a8737a75700 R09: 0000000000000000
[16661.812136] R10: ffff8a8737b7dd00 R11: 0000000000000001 R12: ffff8a8737a74af0
[16661.812330] R13: ffff8a8701f55c60 R14: ffff8a8737a75618 R15: ffff8a8737a756c0
[16661.812536] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16661.812778] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16661.812952] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16661.813153] Call Trace:
[16661.813275]  
[16661.813387]  ? lock_release+0x1f0/0x2d0
[16661.813546]  ? _raw_spin_unlock+0x29/0x40
[16661.813694]  ? join_transaction+0x12a/0x490
[16661.813840]  btrfs_run_delayed_refs+0x86/0x210
[16661.813992]  flush_space+0x3c8/0x5f0
[16661.814139]  ? _raw_spin_trylock_bh+0x31/0x70
[16661.814292]  ? rcu_read_lock_sched_held+0x12/0x60
[16661.814462]  ? lock_release+0x1f0/0x2d0
[16661.814604]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16661.814778]  process_one_work+0x270/0x5a0
[16661.814925]  worker_thread+0x55/0x3c0
[16661.815063]  ? process_one_work+0x5a0/0x5a0
[16661.815215]  kthread+0x174/0x1a0
[16661.815350]  ? set_kthread_struct+0x40/0x40
[16661.815506]  ret_from_fork+0x1f/0x30
[16661.815646]  
[16661.815761] irq event stamp: 0
[16661.815888] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16661.816066] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16661.816318] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16661.816575] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16661.816758] ---[ end trace b600c386fb5e1766 ]---
[16661.816939] ------------[ cut here ]------------
[16661.817096] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16661.817381] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16661.818801] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16661.819057] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16661.819323] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16661.819523] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16661.819694] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16661.820151] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16661.820316] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16661.820520] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16661.820711] RBP: 0000000000000000 R08: ffff8a8737a750e8 R09: 0000000000000000
[16661.820903] R10: ffff8a8737a75600 R11: 0000000000000001 R12: ffff8a8737a74770
[16661.821093] R13: ffff8a8701f55c60 R14: ffff8a8737a75000 R15: ffff8a8737a750a8
[16661.821972] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16661.822229] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16661.822406] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16661.822612] Call Trace:
[16661.822732]  
[16661.822848]  ? lock_release+0x1f0/0x2d0
[16661.822995]  ? _raw_spin_unlock+0x29/0x40
[16661.823150]  ? join_transaction+0x12a/0x490
[16661.823299]  btrfs_run_delayed_refs+0x86/0x210
[16661.823465]  flush_space+0x3c8/0x5f0
[16661.823607]  ? _raw_spin_trylock_bh+0x31/0x70
[16661.823843]  ? rcu_read_lock_sched_held+0x12/0x60
[16661.824031]  ? lock_release+0x1f0/0x2d0
[16661.824181]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16661.824353]  process_one_work+0x270/0x5a0
[16661.824514]  worker_thread+0x55/0x3c0
[16661.824653]  ? process_one_work+0x5a0/0x5a0
[16661.824805]  kthread+0x174/0x1a0
[16661.824940]  ? set_kthread_struct+0x40/0x40
[16661.825084]  ret_from_fork+0x1f/0x30
[16661.825236]  
[16661.825353] irq event stamp: 0
[16661.825494] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16661.825723] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16661.825977] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16661.826233] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16661.826413] ---[ end trace b600c386fb5e1767 ]---
[16661.826619] ------------[ cut here ]------------
[16661.832578] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16661.832889] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16661.834291] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16661.834569] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16661.834823] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16661.835017] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16661.835202] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16661.835664] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16661.835827] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16661.836021] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16661.836223] RBP: 0000000000000000 R08: ffff8a8737a75be0 R09: 0000000000000000
[16661.836420] R10: ffff8a8737a75000 R11: 0000000000000001 R12: ffff8a8737a74e70
[16661.836632] R13: ffff8a8701f55c60 R14: ffff8a8737a75af8 R15: ffff8a8737a75ba0
[16661.836833] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16661.837083] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16661.837265] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16661.837477] Call Trace:
[16661.837607]  
[16661.837724]  ? lock_release+0x1f0/0x2d0
[16661.837873]  ? _raw_spin_unlock+0x29/0x40
[16661.838025]  ? join_transaction+0x12a/0x490
[16661.838180]  btrfs_run_delayed_refs+0x86/0x210
[16661.838329]  flush_space+0x3c8/0x5f0
[16661.838489]  ? _raw_spin_trylock_bh+0x31/0x70
[16661.838644]  ? rcu_read_lock_sched_held+0x12/0x60
[16661.838799]  ? lock_release+0x1f0/0x2d0
[16661.838940]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16661.839118]  process_one_work+0x270/0x5a0
[16661.839275]  worker_thread+0x55/0x3c0
[16661.839413]  ? process_one_work+0x5a0/0x5a0
[16661.839573]  kthread+0x174/0x1a0
[16661.839707]  ? set_kthread_struct+0x40/0x40
[16661.839854]  ret_from_fork+0x1f/0x30
[16661.839993]  
[16661.840107] irq event stamp: 0
[16661.840237] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16661.840415] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16661.840675] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16661.840926] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16661.841131] ---[ end trace b600c386fb5e1768 ]---
[16661.841327] ------------[ cut here ]------------
[16661.841497] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16661.841769] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16661.843185] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16661.843452] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16661.843710] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16661.843902] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16661.844091] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16661.844559] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16661.844725] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16661.844945] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16661.845146] RBP: 0000000000000000 R08: ffff8a8737b7d490 R09: 0000000000000000
[16661.845339] R10: ffff8a8737a75a00 R11: 0000000000000001 R12: ffff8a873bc052a0
[16661.845542] R13: ffff8a8701f55c60 R14: ffff8a8737b7d3a8 R15: ffff8a8737b7d450
[16661.845764] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16661.846004] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16661.846188] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16661.846387] Call Trace:
[16661.846520]  
[16661.846635]  ? lock_release+0x1f0/0x2d0
[16661.846812]  ? _raw_spin_unlock+0x29/0x40
[16661.846965]  ? join_transaction+0x12a/0x490
[16661.847113]  btrfs_run_delayed_refs+0x86/0x210
[16661.847276]  flush_space+0x3c8/0x5f0
[16661.847431]  ? _raw_spin_trylock_bh+0x31/0x70
[16661.847596]  ? rcu_read_lock_sched_held+0x12/0x60
[16661.847761]  ? lock_release+0x1f0/0x2d0
[16661.847905]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16661.848075]  process_one_work+0x270/0x5a0
[16661.848265]  worker_thread+0x55/0x3c0
[16661.848403]  ? process_one_work+0x5a0/0x5a0
[16661.848633]  kthread+0x174/0x1a0
[16661.848776]  ? set_kthread_struct+0x40/0x40
[16661.848932]  ret_from_fork+0x1f/0x30
[16661.849074]  
[16661.849199] irq event stamp: 0
[16661.849325] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16661.849521] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16661.849828] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16661.850093] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16661.850285] ---[ end trace b600c386fb5e1769 ]---
[16661.850496] ------------[ cut here ]------------
[16661.850662] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16661.850950] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16661.853109] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16661.853377] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16661.853652] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16661.853844] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16661.854013] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16661.854492] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16661.854659] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16661.854851] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16661.855061] RBP: 0000000000000000 R08: ffff8a8737a75838 R09: 0000000000000000
[16661.855272] R10: ffff8a8737b7d300 R11: 0101000000000001 R12: ffff8a8737a747e0
[16661.855478] R13: ffff8a8701f55c60 R14: ffff8a8737a75750 R15: ffff8a8737a757f8
[16661.855673] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16661.855915] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16661.856088] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16661.856291] Call Trace:
[16661.856408]  
[16661.856537]  ? lock_release+0x1f0/0x2d0
[16661.856684]  ? _raw_spin_unlock+0x29/0x40
[16661.856830]  ? join_transaction+0x12a/0x490
[16661.856980]  btrfs_run_delayed_refs+0x86/0x210
[16661.857141]  flush_space+0x3c8/0x5f0
[16661.857278]  ? _raw_spin_trylock_bh+0x31/0x70
[16661.857428]  ? rcu_read_lock_sched_held+0x12/0x60
[16661.857599]  ? lock_release+0x1f0/0x2d0
[16661.857743]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16661.857913]  process_one_work+0x270/0x5a0
[16661.858060]  worker_thread+0x55/0x3c0
[16661.858211]  ? process_one_work+0x5a0/0x5a0
[16661.858360]  kthread+0x174/0x1a0
[16661.858506]  ? set_kthread_struct+0x40/0x40
[16661.858651]  ret_from_fork+0x1f/0x30
[16661.858793]  
[16661.858905] irq event stamp: 0
[16661.859030] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16661.859222] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16661.859487] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16661.859733] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16661.859914] ---[ end trace b600c386fb5e176a ]---
[16661.860101] ------------[ cut here ]------------
[16661.860263] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16661.860556] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16661.867594] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16661.867851] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16661.868107] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16661.868304] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16661.868487] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16661.868935] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16661.869098] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16661.869302] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16661.869509] RBP: 0000000000000000 R08: ffff8a8737a75358 R09: 0000000000000000
[16661.869705] R10: ffff8a8737a75700 R11: 0000000000000001 R12: ffff8a8737a74930
[16661.869896] R13: ffff8a8701f55c60 R14: ffff8a8737a75270 R15: ffff8a8737a75318
[16661.870089] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16661.870339] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16661.870526] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16661.870722] Call Trace:
[16661.870843]  
[16661.870954]  ? lock_release+0x1f0/0x2d0
[16661.871100]  ? _raw_spin_unlock+0x29/0x40
[16661.871257]  ? join_transaction+0x12a/0x490
[16661.871403]  btrfs_run_delayed_refs+0x86/0x210
[16661.871569]  flush_space+0x3c8/0x5f0
[16661.871710]  ? _raw_spin_trylock_bh+0x31/0x70
[16661.871857]  ? rcu_read_lock_sched_held+0x12/0x60
[16661.872011]  ? lock_release+0x1f0/0x2d0
[16661.872162]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16661.872335]  process_one_work+0x270/0x5a0
[16661.872497]  worker_thread+0x55/0x3c0
[16661.872635]  ? process_one_work+0x5a0/0x5a0
[16661.872778]  kthread+0x174/0x1a0
[16661.872911]  ? set_kthread_struct+0x40/0x40
[16661.873054]  ret_from_fork+0x1f/0x30
[16661.873204]  
[16661.873318] irq event stamp: 0
[16661.873461] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16661.873640] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16661.873887] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16661.874138] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16661.874322] ---[ end trace b600c386fb5e176b ]---
[16661.874525] ------------[ cut here ]------------
[16661.874682] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16661.874955] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16661.876355] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16661.876622] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16661.876879] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16661.877068] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16661.877250] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16661.877719] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16661.877886] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16661.878077] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16661.878277] RBP: 0000000000000000 R08: ffff8a87641a60f8 R09: 0000000000000000
[16661.878483] R10: ffff8a8737a75200 R11: 0000000000000001 R12: ffff8a87008ba3f0
[16661.878675] R13: ffff8a8701f55c60 R14: ffff8a87641a6000 R15: ffff8a87641a60a8
[16661.878866] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16661.879107] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16661.879290] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16661.879493] Call Trace:
[16661.879614]  
[16661.879726]  ? lock_release+0x1f0/0x2d0
[16661.879870]  ? _raw_spin_unlock+0x29/0x40
[16661.880015]  ? join_transaction+0x12a/0x490
[16661.880173]  btrfs_run_delayed_refs+0x86/0x210
[16661.880328]  flush_space+0x3c8/0x5f0
[16661.880479]  ? _raw_spin_trylock_bh+0x31/0x70
[16661.880627]  ? rcu_read_lock_sched_held+0x12/0x60
[16661.880782]  ? lock_release+0x1f0/0x2d0
[16661.880925]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16661.881096]  process_one_work+0x270/0x5a0
[16661.881925]  worker_thread+0x55/0x3c0
[16661.882067]  ? process_one_work+0x5a0/0x5a0
[16661.882230]  kthread+0x174/0x1a0
[16661.882365]  ? set_kthread_struct+0x40/0x40
[16661.882523]  ret_from_fork+0x1f/0x30
[16661.882666]  
[16661.882782] irq event stamp: 0
[16661.882908] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16661.883089] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16661.883344] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16661.883604] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16661.883786] ---[ end trace b600c386fb5e176c ]---
[16661.883976] ------------[ cut here ]------------
[16661.884138] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16661.884415] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16661.885814] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16661.886076] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16661.886338] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16661.886546] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16661.886718] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16661.887178] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16661.887342] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16661.887545] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16661.887738] RBP: 0000000000000000 R08: ffff8a871a8bf5d8 R09: 0000000000000000
[16661.887930] R10: ffff8a87641a6000 R11: 000000000000221f R12: ffff8a8737a43a10
[16661.888127] R13: ffff8a8701f55c60 R14: ffff8a871a8bf4e0 R15: ffff8a871a8bf588
[16661.888326] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16661.888588] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16661.888757] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16661.888951] Call Trace:
[16661.889068]  
[16661.889195]  ? lock_release+0x1f0/0x2d0
[16661.889338]  ? _raw_spin_unlock+0x29/0x40
[16661.889494]  ? join_transaction+0x12a/0x490
[16661.889645]  btrfs_run_delayed_refs+0x86/0x210
[16661.889800]  flush_space+0x3c8/0x5f0
[16661.889936]  ? _raw_spin_trylock_bh+0x31/0x70
[16661.890083]  ? rcu_read_lock_sched_held+0x12/0x60
[16661.890252]  ? lock_release+0x1f0/0x2d0
[16661.890395]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16661.890578]  process_one_work+0x270/0x5a0
[16661.890723]  worker_thread+0x55/0x3c0
[16661.890862]  ? process_one_work+0x5a0/0x5a0
[16661.891009]  kthread+0x174/0x1a0
[16661.891154]  ? set_kthread_struct+0x40/0x40
[16661.891302]  ret_from_fork+0x1f/0x30
[16661.891455]  
[16661.891569] irq event stamp: 0
[16661.891699] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16661.891881] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16661.892136] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16661.892391] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16661.892581] ---[ end trace b600c386fb5e176d ]---
[16661.892764] ------------[ cut here ]------------
[16661.892916] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16661.893207] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16661.894576] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16661.894838] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16661.895088] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16661.895283] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16661.895474] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16661.901534] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16661.901701] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16661.901895] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16661.902090] RBP: 0000000000000000 R08: ffff8a8737a75970 R09: 0000000000000000
[16661.902291] R10: ffff8a871a8bf400 R11: 00000000000021b0 R12: ffff8a8737a74d90
[16661.902496] R13: ffff8a8701f55c60 R14: ffff8a8737a75888 R15: ffff8a8737a75930
[16661.902688] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16661.902929] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16661.903102] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16661.903301] Call Trace:
[16661.903421]  
[16661.903546]  ? lock_release+0x1f0/0x2d0
[16661.903692]  ? _raw_spin_unlock+0x29/0x40
[16661.903834]  ? join_transaction+0x12a/0x490
[16661.903980]  btrfs_run_delayed_refs+0x86/0x210
[16661.904143]  flush_space+0x3c8/0x5f0
[16661.904283]  ? _raw_spin_trylock_bh+0x31/0x70
[16661.904429]  ? rcu_read_lock_sched_held+0x12/0x60
[16661.904597]  ? lock_release+0x1f0/0x2d0
[16661.904742]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16661.904915]  process_one_work+0x270/0x5a0
[16661.905058]  worker_thread+0x55/0x3c0
[16661.905205]  ? process_one_work+0x5a0/0x5a0
[16661.905354]  kthread+0x174/0x1a0
[16661.905502]  ? set_kthread_struct+0x40/0x40
[16661.905652]  ret_from_fork+0x1f/0x30
[16661.905789]  
[16661.905904] irq event stamp: 0
[16661.906031] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16661.906218] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16661.906480] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16661.906728] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16661.906908] ---[ end trace b600c386fb5e176e ]---
[16661.907131] ------------[ cut here ]------------
[16661.907288] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16661.907575] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16661.908959] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16661.909228] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16661.909497] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16661.909687] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16661.909854] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16661.910321] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16661.910499] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16661.910691] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16661.910883] RBP: 0000000000000000 R08: ffff8a87166725c8 R09: 0000000000000000
[16661.911071] R10: ffff8a8737a75800 R11: 0000000000000002 R12: ffff8a8737a744d0
[16661.911962] R13: ffff8a8701f55c60 R14: ffff8a87166724e0 R15: ffff8a8716672588
[16661.912172] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16661.912418] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16661.912602] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16661.912797] Call Trace:
[16661.912913]  
[16661.913029]  ? lock_release+0x1f0/0x2d0
[16661.913186]  ? _raw_spin_unlock+0x29/0x40
[16661.913330]  ? join_transaction+0x12a/0x490
[16661.913493]  btrfs_run_delayed_refs+0x86/0x210
[16661.913646]  flush_space+0x3c8/0x5f0
[16661.913781]  ? _raw_spin_trylock_bh+0x31/0x70
[16661.913931]  ? rcu_read_lock_sched_held+0x12/0x60
[16661.914091]  ? lock_release+0x1f0/0x2d0
[16661.914249]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16661.914418]  process_one_work+0x270/0x5a0
[16661.914575]  worker_thread+0x55/0x3c0
[16661.914717]  ? process_one_work+0x5a0/0x5a0
[16661.914867]  kthread+0x174/0x1a0
[16661.915001]  ? set_kthread_struct+0x40/0x40
[16661.915171]  ret_from_fork+0x1f/0x30
[16661.915326]  
[16661.915462] irq event stamp: 0
[16661.915588] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16661.915770] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16661.916021] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16661.916271] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16661.916464] ---[ end trace b600c386fb5e176f ]---
[16661.916653] ------------[ cut here ]------------
[16661.916808] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16661.917085] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16661.918466] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16661.918728] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16661.918975] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16661.919177] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16661.919347] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16661.919815] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16661.919978] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16661.920178] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16661.920370] RBP: 0000000000000000 R08: ffff8a8737a75aa8 R09: 0000000000000000
[16661.920572] R10: ffff8a8716672400 R11: 0000000000000002 R12: ffff8a8737a74690
[16661.920768] R13: ffff8a8701f55c60 R14: ffff8a8737a759c0 R15: ffff8a8737a75a68
[16661.920960] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16661.921221] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16661.921388] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16661.921593] Call Trace:
[16661.921710]  
[16661.921826]  ? lock_release+0x1f0/0x2d0
[16661.921966]  ? _raw_spin_unlock+0x29/0x40
[16661.922109]  ? join_transaction+0x12a/0x490
[16661.922268]  btrfs_run_delayed_refs+0x86/0x210
[16661.922420]  flush_space+0x3c8/0x5f0
[16661.922568]  ? _raw_spin_trylock_bh+0x31/0x70
[16661.922722]  ? rcu_read_lock_sched_held+0x12/0x60
[16661.922877]  ? lock_release+0x1f0/0x2d0
[16661.923017]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16661.923197]  process_one_work+0x270/0x5a0
[16661.923341]  worker_thread+0x55/0x3c0
[16661.923497]  ? process_one_work+0x5a0/0x5a0
[16661.923645]  kthread+0x174/0x1a0
[16661.923773]  ? set_kthread_struct+0x40/0x40
[16661.923921]  ret_from_fork+0x1f/0x30
[16661.924061]  
[16661.924184] irq event stamp: 0
[16661.924313] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16661.924506] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16661.924750] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16661.925000] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16661.925188] ---[ end trace b600c386fb5e1770 ]---
[16661.925367] ------------[ cut here ]------------
[16661.925533] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16661.925815] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16661.927196] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16661.927467] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16661.927715] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16661.927907] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16661.928075] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16661.928542] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16661.928704] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16661.928899] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16661.929091] RBP: 0000000000000000 R08: ffff8a871a84e700 R09: 0000000000000000
[16661.929294] R10: ffff8a8737a75900 R11: 0000000000000002 R12: ffff8a8737a74230
[16661.929500] R13: ffff8a8701f55c60 R14: ffff8a871a84e618 R15: ffff8a871a84e6c0
[16661.929694] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16661.935538] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16661.935713] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16661.935908] Call Trace:
[16661.936025]  
[16661.936146]  ? lock_release+0x1f0/0x2d0
[16661.936291]  ? _raw_spin_unlock+0x29/0x40
[16661.936433]  ? join_transaction+0x12a/0x490
[16661.936594]  btrfs_run_delayed_refs+0x86/0x210
[16661.936746]  flush_space+0x3c8/0x5f0
[16661.936884]  ? _raw_spin_trylock_bh+0x31/0x70
[16661.937033]  ? rcu_read_lock_sched_held+0x12/0x60
[16661.937197]  ? lock_release+0x1f0/0x2d0
[16661.937343]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16661.937527]  process_one_work+0x270/0x5a0
[16661.937672]  worker_thread+0x55/0x3c0
[16661.937810]  ? process_one_work+0x5a0/0x5a0
[16661.937958]  kthread+0x174/0x1a0
[16661.938089]  ? set_kthread_struct+0x40/0x40
[16661.938245]  ret_from_fork+0x1f/0x30
[16661.938387]  
[16661.938515] irq event stamp: 0
[16661.938642] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16661.938824] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16661.939075] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16661.939326] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16661.939521] ---[ end trace b600c386fb5e1771 ]---
[16661.939712] ------------[ cut here ]------------
[16661.939866] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16661.940145] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16661.942289] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16661.942560] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16661.942815] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16661.943004] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16661.943186] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16661.943659] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16661.943822] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16661.944013] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16661.944219] RBP: 0000000000000000 R08: ffff8a8737b135c8 R09: 0000000000000000
[16661.944409] R10: ffff8a871a84e601 R11: 0000000000000002 R12: ffff8a8737a74cb0
[16661.944615] R13: ffff8a8701f55c60 R14: ffff8a8737b134e0 R15: ffff8a8737b13588
[16661.944807] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16661.945056] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16661.945235] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16661.945430] Call Trace:
[16661.945559]  
[16661.945677]  ? lock_release+0x1f0/0x2d0
[16661.945819]  ? _raw_spin_unlock+0x29/0x40
[16661.945961]  ? join_transaction+0x12a/0x490
[16661.946112]  btrfs_run_delayed_refs+0x86/0x210
[16661.946275]  flush_space+0x3c8/0x5f0
[16661.946412]  ? _raw_spin_trylock_bh+0x31/0x70
[16661.946576]  ? rcu_read_lock_sched_held+0x12/0x60
[16661.946735]  ? lock_release+0x1f0/0x2d0
[16661.946880]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16661.947048]  process_one_work+0x270/0x5a0
[16661.947203]  worker_thread+0x55/0x3c0
[16661.947345]  ? process_one_work+0x5a0/0x5a0
[16661.947507]  kthread+0x174/0x1a0
[16661.947639]  ? set_kthread_struct+0x40/0x40
[16661.947788]  ret_from_fork+0x1f/0x30
[16661.947928]  
[16661.948041] irq event stamp: 0
[16661.948178] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16661.948360] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16661.948623] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16661.948869] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16661.949051] ---[ end trace b600c386fb5e1772 ]---
[16661.949249] ------------[ cut here ]------------
[16661.949401] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16661.949695] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16661.951075] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16661.951346] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16661.951609] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16661.951803] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16661.951975] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16661.952452] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16661.952614] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16661.952805] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16661.952999] RBP: 0000000000000000 R08: ffff8a8737b13e50 R09: 0000000000000000
[16661.953201] R10: ffff8a8737b13401 R11: 0000000000000002 R12: ffff8a8737a74460
[16661.953396] R13: ffff8a8701f55c60 R14: ffff8a8737b13d68 R15: ffff8a8737b13e10
[16661.953602] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16661.953852] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16661.954023] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16661.954227] Call Trace:
[16661.954346]  
[16661.954474]  ? lock_release+0x1f0/0x2d0
[16661.954617]  ? _raw_spin_unlock+0x29/0x40
[16661.954764]  ? join_transaction+0x12a/0x490
[16661.954913]  btrfs_run_delayed_refs+0x86/0x210
[16661.955063]  flush_space+0x3c8/0x5f0
[16661.955210]  ? _raw_spin_trylock_bh+0x31/0x70
[16661.955364]  ? rcu_read_lock_sched_held+0x12/0x60
[16661.955533]  ? lock_release+0x1f0/0x2d0
[16661.955675]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16661.955843]  process_one_work+0x270/0x5a0
[16661.955991]  worker_thread+0x55/0x3c0
[16661.956145]  ? process_one_work+0x5a0/0x5a0
[16661.956293]  kthread+0x174/0x1a0
[16661.956423]  ? set_kthread_struct+0x40/0x40
[16661.956584]  ret_from_fork+0x1f/0x30
[16661.956724]  
[16661.956836] irq event stamp: 0
[16661.956963] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16661.957151] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16661.957399] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16661.957660] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16661.957839] ---[ end trace b600c386fb5e1773 ]---
[16661.958020] ------------[ cut here ]------------
[16661.958188] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16661.958480] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16661.959855] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16661.960115] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16661.960375] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16661.960578] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16661.960748] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16661.961205] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16661.961366] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16661.961572] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16661.961768] RBP: 0000000000000000 R08: ffff8a8737b13d18 R09: 0000000000000000
[16661.961962] R10: ffff8a8737b13d00 R11: 0000000000000002 R12: ffff8a8737a749a0
[16661.962167] R13: ffff8a8701f55c60 R14: ffff8a8737b13c30 R15: ffff8a8737b13cd8
[16661.962362] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16661.962617] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16661.962791] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16661.962985] Call Trace:
[16661.963105]  
[16661.963221]  ? lock_release+0x1f0/0x2d0
[16661.963364]  ? _raw_spin_unlock+0x29/0x40
[16661.963526]  ? join_transaction+0x12a/0x490
[16661.963672]  btrfs_run_delayed_refs+0x86/0x210
[16661.969450]  flush_space+0x3c8/0x5f0
[16661.969589]  ? _raw_spin_trylock_bh+0x31/0x70
[16661.969738]  ? rcu_read_lock_sched_held+0x12/0x60
[16661.969896]  ? lock_release+0x1f0/0x2d0
[16661.970039]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16661.970219]  process_one_work+0x270/0x5a0
[16661.970364]  worker_thread+0x55/0x3c0
[16661.970517]  ? process_one_work+0x5a0/0x5a0
[16661.970668]  kthread+0x174/0x1a0
[16661.970798]  ? set_kthread_struct+0x40/0x40
[16661.970942]  ret_from_fork+0x1f/0x30
[16661.971083]  
[16661.971925] irq event stamp: 0
[16661.972056] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16661.972252] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16661.972515] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16661.972762] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16661.972943] ---[ end trace b600c386fb5e1774 ]---
[16661.973145] ------------[ cut here ]------------
[16661.973298] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16661.973589] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16661.974974] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16661.975260] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16661.975547] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16661.975742] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16661.975911] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16661.976380] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16661.976554] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16661.976748] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16661.976939] RBP: 0000000000000000 R08: ffff8a87040455d8 R09: 0000000000000000
[16661.977135] R10: ffff8a8737b13c00 R11: 0000000000000002 R12: ffff8a871a899a10
[16661.977334] R13: ffff8a8701f55c60 R14: ffff8a87040454e0 R15: ffff8a8704045588
[16661.977539] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16661.977788] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16661.977957] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16661.978160] Call Trace:
[16661.978279]  
[16661.978396]  ? lock_release+0x1f0/0x2d0
[16661.978551]  ? _raw_spin_unlock+0x29/0x40
[16661.978696]  ? join_transaction+0x12a/0x490
[16661.978848]  btrfs_run_delayed_refs+0x86/0x210
[16661.978997]  flush_space+0x3c8/0x5f0
[16661.979140]  ? _raw_spin_trylock_bh+0x31/0x70
[16661.979295]  ? rcu_read_lock_sched_held+0x12/0x60
[16661.979464]  ? lock_release+0x1f0/0x2d0
[16661.979608]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16661.979775]  process_one_work+0x270/0x5a0
[16661.979918]  worker_thread+0x55/0x3c0
[16661.980057]  ? process_one_work+0x5a0/0x5a0
[16661.980215]  kthread+0x174/0x1a0
[16661.980344]  ? set_kthread_struct+0x40/0x40
[16661.980506]  ret_from_fork+0x1f/0x30
[16661.980649]  
[16661.980761] irq event stamp: 0
[16661.980887] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16661.981068] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16661.981323] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16661.981588] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16661.981766] ---[ end trace b600c386fb5e1775 ]---
[16661.981950] ------------[ cut here ]------------
[16661.982102] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16661.982391] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16661.983746] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16661.984007] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16661.984266] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16661.984472] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16661.984643] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16661.985088] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16661.985261] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16661.985469] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16661.985664] RBP: 0000000000000000 R08: ffff8a87040455d8 R09: 0000000000000000
[16661.985856] R10: ffff8a871a899a00 R11: ffff8a87057e4a08 R12: ffff8a871a8be1c0
[16661.986049] R13: ffff8a8701f55c60 R14: ffff8a87040454e0 R15: ffff8a8704045588
[16661.986254] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16661.986518] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16661.986686] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16661.986882] Call Trace:
[16661.987000]  
[16661.987112]  ? lock_release+0x1f0/0x2d0
[16661.987257]  ? _raw_spin_unlock+0x29/0x40
[16661.987401]  ? join_transaction+0x12a/0x490
[16661.987564]  btrfs_run_delayed_refs+0x86/0x210
[16661.987714]  flush_space+0x3c8/0x5f0
[16661.987849]  ? _raw_spin_trylock_bh+0x31/0x70
[16661.988001]  ? rcu_read_lock_sched_held+0x12/0x60
[16661.988168]  ? lock_release+0x1f0/0x2d0
[16661.988310]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16661.988496]  process_one_work+0x270/0x5a0
[16661.988646]  worker_thread+0x55/0x3c0
[16661.988786]  ? process_one_work+0x5a0/0x5a0
[16661.988932]  kthread+0x174/0x1a0
[16661.989065]  ? set_kthread_struct+0x40/0x40
[16661.989224]  ret_from_fork+0x1f/0x30
[16661.989363]  
[16661.989488] irq event stamp: 0
[16661.989618] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16661.989796] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16661.990041] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16661.990301] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16661.990496] ---[ end trace b600c386fb5e1776 ]---
[16661.990684] ------------[ cut here ]------------
[16661.990838] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16661.991117] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16661.992512] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16661.992767] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16661.993021] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16661.993221] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16661.993390] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16661.993848] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16661.994015] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16661.994220] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16661.994413] RBP: 0000000000000000 R08: ffff8a87036fd5c8 R09: 0000000000000000
[16661.994619] R10: ffff8a8704045401 R11: 0000000000003e1f R12: ffff8a8737ba24d0
[16661.994815] R13: ffff8a8701f55c60 R14: ffff8a87036fd4e0 R15: ffff8a87036fd588
[16661.995003] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16661.995256] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16661.995427] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16661.995636] Call Trace:
[16661.995757]  
[16661.995869]  ? lock_release+0x1f0/0x2d0
[16661.996013]  ? _raw_spin_unlock+0x29/0x40
[16661.996170]  ? join_transaction+0x12a/0x490
[16661.996319]  btrfs_run_delayed_refs+0x86/0x210
[16661.996484]  flush_space+0x3c8/0x5f0
[16661.996625]  ? _raw_spin_trylock_bh+0x31/0x70
[16661.996775]  ? rcu_read_lock_sched_held+0x12/0x60
[16661.996928]  ? lock_release+0x1f0/0x2d0
[16661.997068]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16661.997251]  process_one_work+0x270/0x5a0
[16661.997397]  worker_thread+0x55/0x3c0
[16661.997548]  ? process_one_work+0x5a0/0x5a0
[16661.997699]  kthread+0x174/0x1a0
[16662.004128]  ? set_kthread_struct+0x40/0x40
[16662.004283]  ret_from_fork+0x1f/0x30
[16662.004425]  
[16662.004551] irq event stamp: 0
[16662.004680] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16662.004861] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16662.005110] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16662.005365] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16662.005560] ---[ end trace b600c386fb5e1777 ]---
[16662.005758] ------------[ cut here ]------------
[16662.005914] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16662.006205] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16662.007569] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16662.007829] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16662.008081] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16662.008283] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16662.008465] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16662.008918] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16662.009078] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16662.009278] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16662.009487] RBP: 0000000000000000 R08: ffff8a87054c35d8 R09: 0000000000000000
[16662.009683] R10: ffff8a87036fd401 R11: 0000000000000002 R12: ffff8a8705578d20
[16662.009876] R13: ffff8a8701f55c60 R14: ffff8a87054c34e0 R15: ffff8a87054c3588
[16662.010071] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16662.010327] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16662.010510] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16662.010701] Call Trace:
[16662.010820]  
[16662.010937]  ? lock_release+0x1f0/0x2d0
[16662.011081]  ? _raw_spin_unlock+0x29/0x40
[16662.011234]  ? join_transaction+0x12a/0x490
[16662.011385]  btrfs_run_delayed_refs+0x86/0x210
[16662.011548]  flush_space+0x3c8/0x5f0
[16662.011686]  ? _raw_spin_trylock_bh+0x31/0x70
[16662.011838]  ? rcu_read_lock_sched_held+0x12/0x60
[16662.011995]  ? lock_release+0x1f0/0x2d0
[16662.012143]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16662.012313]  process_one_work+0x270/0x5a0
[16662.012475]  worker_thread+0x55/0x3c0
[16662.012616]  ? process_one_work+0x5a0/0x5a0
[16662.012760]  kthread+0x174/0x1a0
[16662.012890]  ? set_kthread_struct+0x40/0x40
[16662.013036]  ret_from_fork+0x1f/0x30
[16662.013185]  
[16662.013298] irq event stamp: 0
[16662.013424] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16662.013614] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16662.013861] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16662.014108] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16662.014294] ---[ end trace b600c386fb5e1778 ]---
[16662.014493] ------------[ cut here ]------------
[16662.014649] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16662.014927] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16662.016306] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16662.016577] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16662.016828] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16662.017018] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16662.017196] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16662.017656] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16662.017818] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16662.018013] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16662.018216] RBP: 0000000000000000 R08: ffff8a8737b13700 R09: 0000000000000000
[16662.018409] R10: ffff8a87054c3400 R11: 0000000000003db5 R12: ffff8a8737a74ee0
[16662.018616] R13: ffff8a8701f55c60 R14: ffff8a8737b13618 R15: ffff8a8737b136c0
[16662.018813] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16662.019053] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16662.019228] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16662.019423] Call Trace:
[16662.019555]  
[16662.019669]  ? lock_release+0x1f0/0x2d0
[16662.019814]  ? _raw_spin_unlock+0x29/0x40
[16662.019961]  ? join_transaction+0x12a/0x490
[16662.020109]  btrfs_run_delayed_refs+0x86/0x210
[16662.020267]  flush_space+0x3c8/0x5f0
[16662.020405]  ? _raw_spin_trylock_bh+0x31/0x70
[16662.020571]  ? rcu_read_lock_sched_held+0x12/0x60
[16662.020728]  ? lock_release+0x1f0/0x2d0
[16662.020868]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16662.021039]  process_one_work+0x270/0x5a0
[16662.021198]  worker_thread+0x55/0x3c0
[16662.021341]  ? process_one_work+0x5a0/0x5a0
[16662.021500]  kthread+0x174/0x1a0
[16662.021636]  ? set_kthread_struct+0x40/0x40
[16662.021783]  ret_from_fork+0x1f/0x30
[16662.021922]  
[16662.022037] irq event stamp: 0
[16662.022188] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16662.022380] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16662.022660] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16662.022912] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16662.023099] ---[ end trace b600c386fb5e1779 ]---
[16662.023311] ------------[ cut here ]------------
[16662.023482] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16662.023765] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16662.025198] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16662.025473] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16662.025741] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16662.025932] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16662.026108] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16662.026590] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16662.026758] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16662.026956] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16662.027163] RBP: 0000000000000000 R08: ffff8a8737b130e8 R09: 0000000000000000
[16662.027356] R10: ffff8a8737b13600 R11: 0000000000000002 R12: ffff8a8737a742a0
[16662.027563] R13: ffff8a8701f55c60 R14: ffff8a8737b13000 R15: ffff8a8737b130a8
[16662.027762] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16662.028012] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16662.028197] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16662.028398] Call Trace:
[16662.028540]  
[16662.028662]  ? lock_release+0x1f0/0x2d0
[16662.028808]  ? _raw_spin_unlock+0x29/0x40
[16662.028953]  ? join_transaction+0x12a/0x490
[16662.029098]  btrfs_run_delayed_refs+0x86/0x210
[16662.029263]  flush_space+0x3c8/0x5f0
[16662.029402]  ? _raw_spin_trylock_bh+0x31/0x70
[16662.029564]  ? rcu_read_lock_sched_held+0x12/0x60
[16662.029721]  ? lock_release+0x1f0/0x2d0
[16662.029864]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16662.030037]  process_one_work+0x270/0x5a0
[16662.030191]  worker_thread+0x55/0x3c0
[16662.030328]  ? process_one_work+0x5a0/0x5a0
[16662.030488]  kthread+0x174/0x1a0
[16662.030622]  ? set_kthread_struct+0x40/0x40
[16662.030766]  ret_from_fork+0x1f/0x30
[16662.030903]  
[16662.031018] irq event stamp: 0
[16662.031869] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16662.032056] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16662.032321] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16662.038268] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16662.038461] ---[ end trace b600c386fb5e177a ]---
[16662.038657] ------------[ cut here ]------------
[16662.038811] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16662.039092] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16662.040586] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16662.040851] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16662.041157] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16662.041359] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16662.041549] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16662.042023] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16662.042196] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16662.042391] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16662.042598] RBP: 0000000000000000 R08: ffff8a8737b72230 R09: 0000000000000000
[16662.042794] R10: ffff8a8737b13000 R11: 0000000000000002 R12: ffff8a871a899e00
[16662.042992] R13: ffff8a8701f55c60 R14: ffff8a8737b72138 R15: ffff8a8737b721e0
[16662.043192] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16662.043451] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16662.043621] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16662.043817] Call Trace:
[16662.043936]  
[16662.044049]  ? lock_release+0x1f0/0x2d0
[16662.044201]  ? _raw_spin_unlock+0x29/0x40
[16662.044348]  ? join_transaction+0x12a/0x490
[16662.044513]  btrfs_run_delayed_refs+0x86/0x210
[16662.044664]  flush_space+0x3c8/0x5f0
[16662.044799]  ? _raw_spin_trylock_bh+0x31/0x70
[16662.044952]  ? rcu_read_lock_sched_held+0x12/0x60
[16662.045106]  ? lock_release+0x1f0/0x2d0
[16662.045259]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16662.045455]  process_one_work+0x270/0x5a0
[16662.045670]  worker_thread+0x55/0x3c0
[16662.045839]  ? process_one_work+0x5a0/0x5a0
[16662.045991]  kthread+0x174/0x1a0
[16662.046137]  ? set_kthread_struct+0x40/0x40
[16662.046289]  ret_from_fork+0x1f/0x30
[16662.046433]  
[16662.046568] irq event stamp: 0
[16662.046761] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16662.047039] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16662.047432] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16662.047852] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16662.048139] ---[ end trace b600c386fb5e177b ]---
[16662.048438] ------------[ cut here ]------------
[16662.048625] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16662.048922] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16662.050393] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16662.050704] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16662.050981] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16662.051180] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16662.051351] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16662.051814] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16662.051979] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16662.052183] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16662.052376] RBP: 0000000000000000 R08: ffff8a8705370aa8 R09: 0000000000000000
[16662.052583] R10: ffff8a8737b72100 R11: ffff8a87057e4a08 R12: ffff8a8705805310
[16662.052792] R13: ffff8a8701f55c60 R14: ffff8a87053709c0 R15: ffff8a8705370a68
[16662.052992] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16662.053262] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16662.053437] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16662.053645] Call Trace:
[16662.053766]  
[16662.053878]  ? lock_release+0x1f0/0x2d0
[16662.054022]  ? _raw_spin_unlock+0x29/0x40
[16662.054182]  ? join_transaction+0x12a/0x490
[16662.054329]  btrfs_run_delayed_refs+0x86/0x210
[16662.054492]  flush_space+0x3c8/0x5f0
[16662.054633]  ? _raw_spin_trylock_bh+0x31/0x70
[16662.054781]  ? rcu_read_lock_sched_held+0x12/0x60
[16662.054935]  ? lock_release+0x1f0/0x2d0
[16662.055078]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16662.055257]  process_one_work+0x270/0x5a0
[16662.055406]  worker_thread+0x55/0x3c0
[16662.055557]  ? process_one_work+0x5a0/0x5a0
[16662.055745]  kthread+0x174/0x1a0
[16662.055891]  ? set_kthread_struct+0x40/0x40
[16662.056039]  ret_from_fork+0x1f/0x30
[16662.056191]  
[16662.056312] irq event stamp: 0
[16662.056497] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16662.056740] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16662.057027] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16662.057287] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16662.057490] ---[ end trace b600c386fb5e177c ]---
[16662.057690] ------------[ cut here ]------------
[16662.057851] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16662.058139] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16662.059550] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16662.059809] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16662.060064] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16662.060263] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16662.060439] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16662.060920] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16662.061088] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16662.061936] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16662.062189] RBP: 0000000000000000 R08: ffff8a8716491bf0 R09: 0000000000000000
[16662.062392] R10: ffff8a8705370900 R11: 0119000000000002 R12: ffff8a871a899000
[16662.062612] R13: ffff8a8701f55c60 R14: ffff8a8716491af8 R15: ffff8a8716491ba0
[16662.062854] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16662.063108] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16662.063293] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16662.063514] Call Trace:
[16662.063686]  
[16662.063807]  ? lock_release+0x1f0/0x2d0
[16662.063964]  ? _raw_spin_unlock+0x29/0x40
[16662.064114]  ? join_transaction+0x12a/0x490
[16662.064272]  btrfs_run_delayed_refs+0x86/0x210
[16662.064465]  flush_space+0x3c8/0x5f0
[16662.064668]  ? _raw_spin_trylock_bh+0x31/0x70
[16662.064818]  ? rcu_read_lock_sched_held+0x12/0x60
[16662.064979]  ? lock_release+0x1f0/0x2d0
[16662.065128]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16662.065301]  process_one_work+0x270/0x5a0
[16662.065461]  worker_thread+0x55/0x3c0
[16662.065660]  ? process_one_work+0x5a0/0x5a0
[16662.065811]  kthread+0x174/0x1a0
[16662.065942]  ? set_kthread_struct+0x40/0x40
[16662.066091]  ret_from_fork+0x1f/0x30
[16662.066238]  
[16662.066353] irq event stamp: 0
[16662.066501] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16662.066756] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16662.067008] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16662.067260] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16662.067456] ---[ end trace b600c386fb5e177d ]---
[16662.067684] ------------[ cut here ]------------
[16662.067836] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16662.068113] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16662.075240] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16662.075588] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16662.075860] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16662.076054] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16662.076227] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16662.076699] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16662.076915] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16662.077110] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16662.077311] RBP: 0000000000000000 R08: ffff8a8737b13220 R09: 0000000000000000
[16662.077526] R10: ffff8a8716491a00 R11: ffff8a87057e4a08 R12: ffff8a8737ba2310
[16662.077763] R13: ffff8a8701f55c60 R14: ffff8a8737b13138 R15: ffff8a8737b131e0
[16662.077958] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16662.078208] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16662.078379] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16662.078596] Call Trace:
[16662.078772]  
[16662.078888]  ? lock_release+0x1f0/0x2d0
[16662.079037]  ? _raw_spin_unlock+0x29/0x40
[16662.079198]  ? join_transaction+0x12a/0x490
[16662.079346]  btrfs_run_delayed_refs+0x86/0x210
[16662.079521]  flush_space+0x3c8/0x5f0
[16662.079723]  ? _raw_spin_trylock_bh+0x31/0x70
[16662.079877]  ? rcu_read_lock_sched_held+0x12/0x60
[16662.080032]  ? lock_release+0x1f0/0x2d0
[16662.080178]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16662.080349]  process_one_work+0x270/0x5a0
[16662.080522]  worker_thread+0x55/0x3c0
[16662.080719]  ? process_one_work+0x5a0/0x5a0
[16662.080866]  kthread+0x174/0x1a0
[16662.081000]  ? set_kthread_struct+0x40/0x40
[16662.081151]  ret_from_fork+0x1f/0x30
[16662.081299]  
[16662.081435] irq event stamp: 0
[16662.081585] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16662.081836] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16662.082086] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16662.082338] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16662.082539] ---[ end trace b600c386fb5e177e ]---
[16662.082783] ------------[ cut here ]------------
[16662.082940] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16662.083225] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16662.084622] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16662.084927] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16662.085187] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16662.085375] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16662.085564] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16662.086054] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16662.086223] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16662.086415] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16662.086625] RBP: 0000000000000000 R08: ffff8a8737b13970 R09: 0000000000000000
[16662.086860] R10: ffff8a8737b13100 R11: 0000000000000002 R12: ffff8a8737ba2d20
[16662.087049] R13: ffff8a8701f55c60 R14: ffff8a8737b13888 R15: ffff8a8737b13930
[16662.087247] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16662.087514] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16662.087733] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16662.087927] Call Trace:
[16662.088043]  
[16662.088160]  ? lock_release+0x1f0/0x2d0
[16662.088305]  ? _raw_spin_unlock+0x29/0x40
[16662.088465]  ? join_transaction+0x12a/0x490
[16662.088675]  btrfs_run_delayed_refs+0x86/0x210
[16662.088829]  flush_space+0x3c8/0x5f0
[16662.088967]  ? _raw_spin_trylock_bh+0x31/0x70
[16662.089124]  ? rcu_read_lock_sched_held+0x12/0x60
[16662.089294]  ? lock_release+0x1f0/0x2d0
[16662.089460]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16662.089694]  process_one_work+0x270/0x5a0
[16662.089851]  worker_thread+0x55/0x3c0
[16662.089990]  ? process_one_work+0x5a0/0x5a0
[16662.090144]  kthread+0x174/0x1a0
[16662.090278]  ? set_kthread_struct+0x40/0x40
[16662.090424]  ret_from_fork+0x1f/0x30
[16662.090588]  
[16662.090758] irq event stamp: 0
[16662.090911] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16662.091092] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16662.092103] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16662.092389] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16662.092590] ---[ end trace b600c386fb5e177f ]---
[16662.092812] ------------[ cut here ]------------
[16662.092967] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16662.093322] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16662.094831] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16662.095143] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16662.095397] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16662.095607] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16662.095818] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16662.096278] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16662.096440] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16662.096723] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16662.096916] RBP: 0000000000000000 R08: ffff8a8737b13358 R09: 0000000000000000
[16662.097108] R10: ffff8a8737b13800 R11: 0000000000000002 R12: ffff8a8737ba23f0
[16662.097343] R13: ffff8a8701f55c60 R14: ffff8a8737b13270 R15: ffff8a8737b13318
[16662.097571] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16662.097874] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16662.098045] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16662.098240] Call Trace:
[16662.098357]  
[16662.098494]  ? lock_release+0x1f0/0x2d0
[16662.098695]  ? _raw_spin_unlock+0x29/0x40
[16662.098842]  ? join_transaction+0x12a/0x490
[16662.098991]  btrfs_run_delayed_refs+0x86/0x210
[16662.099151]  flush_space+0x3c8/0x5f0
[16662.099295]  ? _raw_spin_trylock_bh+0x31/0x70
[16662.099460]  ? rcu_read_lock_sched_held+0x12/0x60
[16662.099679]  ? lock_release+0x1f0/0x2d0
[16662.099824]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16662.099994]  process_one_work+0x270/0x5a0
[16662.100145]  worker_thread+0x55/0x3c0
[16662.100286]  ? process_one_work+0x5a0/0x5a0
[16662.100433]  kthread+0x174/0x1a0
[16662.100583]  ? set_kthread_struct+0x40/0x40
[16662.100793]  ret_from_fork+0x1f/0x30
[16662.100945]  
[16662.101059] irq event stamp: 0
[16662.101192] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16662.101372] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16662.101645] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16662.101953] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16662.102139] ---[ end trace b600c386fb5e1780 ]---
[16662.102326] ------------[ cut here ]------------
[16662.102502] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16662.102827] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16662.104211] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16662.104529] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16662.110433] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16662.110646] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16662.110845] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16662.111300] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16662.111485] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16662.111717] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16662.111910] RBP: 0000000000000000 R08: ffff8a8737b13aa8 R09: 0000000000000000
[16662.112103] R10: ffff8a8737b13200 R11: 0000000000000002 R12: ffff8a8737ba2a80
[16662.112299] R13: ffff8a8701f55c60 R14: ffff8a8737b139c0 R15: ffff8a8737b13a68
[16662.112511] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16662.112804] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16662.112975] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16662.113176] Call Trace:
[16662.113296]  
[16662.113410]  ? lock_release+0x1f0/0x2d0
[16662.113574]  ? _raw_spin_unlock+0x29/0x40
[16662.113787]  ? join_transaction+0x12a/0x490
[16662.113937]  btrfs_run_delayed_refs+0x86/0x210
[16662.114088]  flush_space+0x3c8/0x5f0
[16662.114233]  ? _raw_spin_trylock_bh+0x31/0x70
[16662.114384]  ? rcu_read_lock_sched_held+0x12/0x60
[16662.114560]  ? lock_release+0x1f0/0x2d0
[16662.114766]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16662.114939]  process_one_work+0x270/0x5a0
[16662.115091]  worker_thread+0x55/0x3c0
[16662.115236]  ? process_one_work+0x5a0/0x5a0
[16662.115385]  kthread+0x174/0x1a0
[16662.115538]  ? set_kthread_struct+0x40/0x40
[16662.115744]  ret_from_fork+0x1f/0x30
[16662.115884]  
[16662.115999] irq event stamp: 0
[16662.116129] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16662.116309] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16662.116583] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16662.116886] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16662.117069] ---[ end trace b600c386fb5e1781 ]---
[16662.117269] ------------[ cut here ]------------
[16662.117426] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16662.117718] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16662.119173] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16662.119460] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16662.119734] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16662.119922] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16662.120091] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16662.120571] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16662.120781] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16662.120977] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16662.121173] RBP: 0000000000000000 R08: ffff8a8737b13490 R09: 0000000000000000
[16662.122093] R10: ffff8a8737b13900 R11: 0000000000000002 R12: ffff8a8737ba2f50
[16662.122334] R13: ffff8a8701f55c60 R14: ffff8a8737b133a8 R15: ffff8a8737b13450
[16662.122549] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16662.122820] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16662.122992] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16662.123193] Call Trace:
[16662.123311]  
[16662.123427]  ? lock_release+0x1f0/0x2d0
[16662.123593]  ? _raw_spin_unlock+0x29/0x40
[16662.123800]  ? join_transaction+0x12a/0x490
[16662.123963]  btrfs_run_delayed_refs+0x86/0x210
[16662.124126]  flush_space+0x3c8/0x5f0
[16662.124268]  ? _raw_spin_trylock_bh+0x31/0x70
[16662.124417]  ? rcu_read_lock_sched_held+0x12/0x60
[16662.124596]  ? lock_release+0x1f0/0x2d0
[16662.124803]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16662.124976]  process_one_work+0x270/0x5a0
[16662.125124]  worker_thread+0x55/0x3c0
[16662.125262]  ? process_one_work+0x5a0/0x5a0
[16662.125410]  kthread+0x174/0x1a0
[16662.125562]  ? set_kthread_struct+0x40/0x40
[16662.125772]  ret_from_fork+0x1f/0x30
[16662.125916]  
[16662.126031] irq event stamp: 0
[16662.126163] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16662.126346] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16662.126620] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16662.126923] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16662.127105] ---[ end trace b600c386fb5e1782 ]---
[16662.127310] ------------[ cut here ]------------
[16662.127481] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16662.127798] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16662.129203] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16662.129484] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16662.129734] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16662.129927] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16662.130096] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16662.130577] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16662.130740] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16662.130928] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16662.131125] RBP: 0000000000000000 R08: ffff8a8737b13f88 R09: 0000000000000000
[16662.131320] R10: ffff8a8737b13300 R11: 0000000000000002 R12: ffff8a8737ba2a10
[16662.131527] R13: ffff8a8701f55c60 R14: ffff8a8737b13ea0 R15: ffff8a8737b13f48
[16662.131722] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16662.131971] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16662.132145] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16662.132340] Call Trace:
[16662.132472]  
[16662.132588]  ? lock_release+0x1f0/0x2d0
[16662.132729]  ? _raw_spin_unlock+0x29/0x40
[16662.132872]  ? join_transaction+0x12a/0x490
[16662.133023]  btrfs_run_delayed_refs+0x86/0x210
[16662.133180]  flush_space+0x3c8/0x5f0
[16662.133316]  ? _raw_spin_trylock_bh+0x31/0x70
[16662.133481]  ? rcu_read_lock_sched_held+0x12/0x60
[16662.133639]  ? lock_release+0x1f0/0x2d0
[16662.133785]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16662.133954]  process_one_work+0x270/0x5a0
[16662.134097]  worker_thread+0x55/0x3c0
[16662.134247]  ? process_one_work+0x5a0/0x5a0
[16662.134392]  kthread+0x174/0x1a0
[16662.134536]  ? set_kthread_struct+0x40/0x40
[16662.134687]  ret_from_fork+0x1f/0x30
[16662.134828]  
[16662.134941] irq event stamp: 0
[16662.135071] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16662.135262] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16662.135520] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16662.135772] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16662.135950] ---[ end trace b600c386fb5e1783 ]---
[16662.136144] ------------[ cut here ]------------
[16662.136299] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16662.136593] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16662.137963] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16662.138240] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16662.138500] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16662.138695] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16662.138865] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16662.139321] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16662.139496] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16662.139691] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16662.139886] RBP: 0000000000000000 R08: ffff8a8737b12aa8 R09: 0000000000000000
[16662.145676] R10: ffff8a8737b13e00 R11: 0000000000000002 R12: ffff8a8737ba2540
[16662.145870] R13: ffff8a8701f55c60 R14: ffff8a8737b129c0 R15: ffff8a8737b12a68
[16662.146063] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16662.146316] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16662.146500] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16662.146697] Call Trace:
[16662.146818]  
[16662.146931]  ? lock_release+0x1f0/0x2d0
[16662.147075]  ? _raw_spin_unlock+0x29/0x40
[16662.147229]  ? join_transaction+0x12a/0x490
[16662.147378]  btrfs_run_delayed_refs+0x86/0x210
[16662.147543]  flush_space+0x3c8/0x5f0
[16662.147683]  ? _raw_spin_trylock_bh+0x31/0x70
[16662.147833]  ? rcu_read_lock_sched_held+0x12/0x60
[16662.147988]  ? lock_release+0x1f0/0x2d0
[16662.148141]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16662.148315]  process_one_work+0x270/0x5a0
[16662.148471]  worker_thread+0x55/0x3c0
[16662.148611]  ? process_one_work+0x5a0/0x5a0
[16662.148759]  kthread+0x174/0x1a0
[16662.148892]  ? set_kthread_struct+0x40/0x40
[16662.149036]  ret_from_fork+0x1f/0x30
[16662.149178]  
[16662.149293] irq event stamp: 0
[16662.149416] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16662.149609] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16662.149863] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16662.150104] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16662.150295] ---[ end trace b600c386fb5e1784 ]---
[16662.150494] ------------[ cut here ]------------
[16662.150647] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16662.150928] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16662.152966] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16662.153236] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16662.153504] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16662.153695] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16662.153862] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16662.154333] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16662.154510] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16662.154706] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16662.154896] RBP: 0000000000000000 R08: ffff8a87036fd358 R09: 0000000000000000
[16662.155087] R10: ffff8a8737b12901 R11: 0000000000000002 R12: ffff8a8716110460
[16662.155289] R13: ffff8a8701f55c60 R14: ffff8a87036fd270 R15: ffff8a87036fd318
[16662.155494] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16662.155751] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16662.155935] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16662.156138] Call Trace:
[16662.156257]  
[16662.156373]  ? lock_release+0x1f0/0x2d0
[16662.156531]  ? _raw_spin_unlock+0x29/0x40
[16662.156676]  ? join_transaction+0x12a/0x490
[16662.156828]  btrfs_run_delayed_refs+0x86/0x210
[16662.156979]  flush_space+0x3c8/0x5f0
[16662.157114]  ? _raw_spin_trylock_bh+0x31/0x70
[16662.157273]  ? rcu_read_lock_sched_held+0x12/0x60
[16662.157430]  ? lock_release+0x1f0/0x2d0
[16662.157589]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16662.157757]  process_one_work+0x270/0x5a0
[16662.157902]  worker_thread+0x55/0x3c0
[16662.158042]  ? process_one_work+0x5a0/0x5a0
[16662.158201]  kthread+0x174/0x1a0
[16662.158331]  ? set_kthread_struct+0x40/0x40
[16662.158496]  ret_from_fork+0x1f/0x30
[16662.158641]  
[16662.158754] irq event stamp: 0
[16662.158878] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16662.159059] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16662.159326] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16662.159582] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16662.159764] ---[ end trace b600c386fb5e1785 ]---
[16662.159959] ------------[ cut here ]------------
[16662.160113] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16662.160396] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16662.161763] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16662.162025] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16662.162282] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16662.162487] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16662.162656] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16662.163113] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16662.163284] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16662.163488] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16662.163681] RBP: 0000000000000000 R08: ffff8a87027fc230 R09: 0000000000000000
[16662.163872] R10: ffff8a87036fd200 R11: 0000000000000002 R12: ffff8a8705578460
[16662.164066] R13: ffff8a8701f55c60 R14: ffff8a87027fc138 R15: ffff8a87027fc1e0
[16662.164269] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16662.164532] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16662.164704] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16662.164926] Call Trace:
[16662.165080]  
[16662.165205]  ? lock_release+0x1f0/0x2d0
[16662.165345]  ? _raw_spin_unlock+0x29/0x40
[16662.165504]  ? join_transaction+0x12a/0x490
[16662.165657]  btrfs_run_delayed_refs+0x86/0x210
[16662.165805]  flush_space+0x3c8/0x5f0
[16662.165940]  ? _raw_spin_trylock_bh+0x31/0x70
[16662.166146]  ? rcu_read_lock_sched_held+0x12/0x60
[16662.166367]  ? lock_release+0x1f0/0x2d0
[16662.166526]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16662.166728]  process_one_work+0x270/0x5a0
[16662.166894]  worker_thread+0x55/0x3c0
[16662.167056]  ? process_one_work+0x5a0/0x5a0
[16662.167211]  kthread+0x174/0x1a0
[16662.167341]  ? set_kthread_struct+0x40/0x40
[16662.167543]  ret_from_fork+0x1f/0x30
[16662.167788]  
[16662.167932] irq event stamp: 0
[16662.168102] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16662.168314] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16662.168686] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16662.168987] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16662.169171] ---[ end trace b600c386fb5e1786 ]---
[16662.169542] ------------[ cut here ]------------
[16662.169721] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16662.170034] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16662.171608] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16662.171919] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16662.172204] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16662.172398] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16662.172635] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16662.173169] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16662.173398] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16662.173610] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16662.173841] RBP: 0000000000000000 R08: ffff8a87027fd368 R09: 0000000000000000
[16662.174047] R10: ffff8a87027fc100 R11: 0000000000003a60 R12: ffff8a871a8990e0
[16662.174250] R13: ffff8a8701f55c60 R14: ffff8a87027fd270 R15: ffff8a87027fd318
[16662.174458] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16662.174754] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16662.174923] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16662.175123] Call Trace:
[16662.175247]  
[16662.175380]  ? lock_release+0x1f0/0x2d0
[16662.182180]  ? _raw_spin_unlock+0x29/0x40
[16662.182384]  ? join_transaction+0x12a/0x490
[16662.182597]  btrfs_run_delayed_refs+0x86/0x210
[16662.182827]  flush_space+0x3c8/0x5f0
[16662.182971]  ? _raw_spin_trylock_bh+0x31/0x70
[16662.183128]  ? rcu_read_lock_sched_held+0x12/0x60
[16662.183294]  ? lock_release+0x1f0/0x2d0
[16662.183491]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16662.183734]  process_one_work+0x270/0x5a0
[16662.183879]  worker_thread+0x55/0x3c0
[16662.184017]  ? process_one_work+0x5a0/0x5a0
[16662.184192]  kthread+0x174/0x1a0
[16662.184323]  ? set_kthread_struct+0x40/0x40
[16662.184489]  ret_from_fork+0x1f/0x30
[16662.184696]  
[16662.184826] irq event stamp: 0
[16662.184954] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16662.185140] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16662.185390] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16662.185679] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16662.185921] ---[ end trace b600c386fb5e1787 ]---
[16662.186109] ------------[ cut here ]------------
[16662.186288] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16662.186593] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16662.188067] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16662.188358] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16662.188636] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16662.188858] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16662.189045] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16662.189535] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16662.189738] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16662.189929] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16662.190126] RBP: 0000000000000000 R08: ffff8a87027fd358 R09: 0000000000000000
[16662.190318] R10: ffff8a871a899000 R11: 0000000000003a0e R12: ffff8a8739a0a8c0
[16662.190535] R13: ffff8a8701f55c60 R14: ffff8a87027fd270 R15: ffff8a87027fd318
[16662.190745] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16662.190998] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16662.191186] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16662.191392] Call Trace:
[16662.191525]  
[16662.191643]  ? lock_release+0x1f0/0x2d0
[16662.191785]  ? _raw_spin_unlock+0x29/0x40
[16662.191943]  ? join_transaction+0x12a/0x490
[16662.192093]  btrfs_run_delayed_refs+0x86/0x210
[16662.192259]  flush_space+0x3c8/0x5f0
[16662.192394]  ? _raw_spin_trylock_bh+0x31/0x70
[16662.192565]  ? rcu_read_lock_sched_held+0x12/0x60
[16662.192725]  ? lock_release+0x1f0/0x2d0
[16662.192871]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16662.193042]  process_one_work+0x270/0x5a0
[16662.193200]  worker_thread+0x55/0x3c0
[16662.193346]  ? process_one_work+0x5a0/0x5a0
[16662.193536]  kthread+0x174/0x1a0
[16662.193668]  ? set_kthread_struct+0x40/0x40
[16662.193819]  ret_from_fork+0x1f/0x30
[16662.193973]  
[16662.194086] irq event stamp: 0
[16662.194229] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16662.194412] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16662.194687] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16662.194942] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16662.195147] ---[ end trace b600c386fb5e1788 ]---
[16662.195343] ------------[ cut here ]------------
[16662.195509] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16662.195809] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16662.197317] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16662.197612] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16662.197947] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16662.198183] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16662.198376] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16662.198874] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16662.199057] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16662.199268] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16662.199482] RBP: 0000000000000000 R08: ffff8a8705722aa8 R09: 0000000000000000
[16662.199695] R10: ffff8a87027fd200 R11: 0000000000000002 R12: ffff8a87057230e0
[16662.199896] R13: ffff8a8701f55c60 R14: ffff8a87057229c0 R15: ffff8a8705722a68
[16662.200094] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16662.200379] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16662.200560] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16662.200799] Call Trace:
[16662.200922]  
[16662.201041]  ? lock_release+0x1f0/0x2d0
[16662.201212]  ? _raw_spin_unlock+0x29/0x40
[16662.201392]  ? join_transaction+0x12a/0x490
[16662.201587]  btrfs_run_delayed_refs+0x86/0x210
[16662.201805]  flush_space+0x3c8/0x5f0
[16662.201945]  ? _raw_spin_trylock_bh+0x31/0x70
[16662.202123]  ? rcu_read_lock_sched_held+0x12/0x60
[16662.202290]  ? lock_release+0x1f0/0x2d0
[16662.202435]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16662.202624]  process_one_work+0x270/0x5a0
[16662.202793]  worker_thread+0x55/0x3c0
[16662.202946]  ? process_one_work+0x5a0/0x5a0
[16662.203092]  kthread+0x174/0x1a0
[16662.203235]  ? set_kthread_struct+0x40/0x40
[16662.203394]  ret_from_fork+0x1f/0x30
[16662.203547]  
[16662.203662] irq event stamp: 0
[16662.203792] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16662.203969] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16662.204227] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16662.204490] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16662.204669] ---[ end trace b600c386fb5e1789 ]---
[16662.204871] ------------[ cut here ]------------
[16662.205027] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16662.205318] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16662.206696] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16662.206951] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16662.207216] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16662.207405] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16662.207617] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16662.208067] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16662.208233] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16662.208425] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16662.208632] RBP: 0000000000000000 R08: ffff8a876428ee60 R09: 0000000000000000
[16662.208826] R10: ffff8a8705722900 R11: ffff8a87057e4a08 R12: ffff8a870540f930
[16662.209018] R13: ffff8a8701f55c60 R14: ffff8a876428ed68 R15: ffff8a876428ee10
[16662.209221] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16662.209475] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16662.209650] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16662.209842] Call Trace:
[16662.209961]  
[16662.210073]  ? lock_release+0x1f0/0x2d0
[16662.210219]  ? _raw_spin_unlock+0x29/0x40
[16662.210366]  ? join_transaction+0x12a/0x490
[16662.210525]  btrfs_run_delayed_refs+0x86/0x210
[16662.210678]  flush_space+0x3c8/0x5f0
[16662.210817]  ? _raw_spin_trylock_bh+0x31/0x70
[16662.210967]  ? rcu_read_lock_sched_held+0x12/0x60
[16662.211130]  ? lock_release+0x1f0/0x2d0
[16662.212041]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16662.212223]  process_one_work+0x270/0x5a0
[16662.217959]  worker_thread+0x55/0x3c0
[16662.218103]  ? process_one_work+0x5a0/0x5a0
[16662.218258]  kthread+0x174/0x1a0
[16662.218388]  ? set_kthread_struct+0x40/0x40
[16662.218547]  ret_from_fork+0x1f/0x30
[16662.218689]  
[16662.218802] irq event stamp: 0
[16662.218927] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16662.219108] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16662.219376] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16662.219636] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16662.219818] ---[ end trace b600c386fb5e178a ]---
[16662.220007] ------------[ cut here ]------------
[16662.220165] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16662.220458] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16662.221835] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16662.222101] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16662.222352] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16662.222559] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16662.222729] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16662.223193] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16662.223356] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16662.223560] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16662.223754] RBP: 0000000000000000 R08: ffff8a876428ee50 R09: 0000000000000000
[16662.223946] R10: ffff8a870540f900 R11: 00000000000039d9 R12: ffff8a876428f620
[16662.224143] R13: ffff8a8701f55c60 R14: ffff8a876428ed68 R15: ffff8a876428ee10
[16662.224337] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16662.224599] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16662.224767] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16662.224959] Call Trace:
[16662.225076]  
[16662.225200]  ? lock_release+0x1f0/0x2d0
[16662.225342]  ? _raw_spin_unlock+0x29/0x40
[16662.225500]  ? join_transaction+0x12a/0x490
[16662.225653]  btrfs_run_delayed_refs+0x86/0x210
[16662.225803]  flush_space+0x3c8/0x5f0
[16662.225939]  ? _raw_spin_trylock_bh+0x31/0x70
[16662.226091]  ? rcu_read_lock_sched_held+0x12/0x60
[16662.226254]  ? lock_release+0x1f0/0x2d0
[16662.226395]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16662.226578]  process_one_work+0x270/0x5a0
[16662.226724]  worker_thread+0x55/0x3c0
[16662.226864]  ? process_one_work+0x5a0/0x5a0
[16662.227009]  kthread+0x174/0x1a0
[16662.227147]  ? set_kthread_struct+0x40/0x40
[16662.227297]  ret_from_fork+0x1f/0x30
[16662.227438]  
[16662.227568] irq event stamp: 0
[16662.227696] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16662.227873] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16662.228117] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16662.228381] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16662.228571] ---[ end trace b600c386fb5e178b ]---
[16662.228759] ------------[ cut here ]------------
[16662.228913] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16662.229203] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16662.230572] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16662.230841] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16662.231089] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16662.231292] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16662.231476] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16662.231926] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16662.232088] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16662.232294] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16662.232501] RBP: 0000000000000000 R08: ffff8a87028e0980 R09: 0000000000000000
[16662.232696] R10: ffff8a876428ed00 R11: 0000000000000002 R12: ffff8a8703d22460
[16662.232890] R13: ffff8a8701f55c60 R14: ffff8a87028e0888 R15: ffff8a87028e0930
[16662.233084] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16662.233340] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16662.233524] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16662.233721] Call Trace:
[16662.233839]  
[16662.233952]  ? lock_release+0x1f0/0x2d0
[16662.234095]  ? _raw_spin_unlock+0x29/0x40
[16662.234245]  ? join_transaction+0x12a/0x490
[16662.234393]  btrfs_run_delayed_refs+0x86/0x210
[16662.234555]  flush_space+0x3c8/0x5f0
[16662.234695]  ? _raw_spin_trylock_bh+0x31/0x70
[16662.234848]  ? rcu_read_lock_sched_held+0x12/0x60
[16662.235001]  ? lock_release+0x1f0/0x2d0
[16662.235151]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16662.235326]  process_one_work+0x270/0x5a0
[16662.235486]  worker_thread+0x55/0x3c0
[16662.235625]  ? process_one_work+0x5a0/0x5a0
[16662.235772]  kthread+0x174/0x1a0
[16662.235902]  ? set_kthread_struct+0x40/0x40
[16662.236051]  ret_from_fork+0x1f/0x30
[16662.236198]  
[16662.236315] irq event stamp: 0
[16662.236453] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16662.236632] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16662.236877] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16662.237133] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16662.237314] ---[ end trace b600c386fb5e178c ]---
[16662.237505] ------------[ cut here ]------------
[16662.237663] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16662.237935] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16662.239331] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16662.239598] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16662.239854] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16662.240041] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16662.240217] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16662.240681] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16662.240846] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16662.241040] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16662.242059] RBP: 0000000000000000 R08: ffff8a87028e0970 R09: 0000000000000000
[16662.242261] R10: ffff8a8703d22400 R11: 0000000000003987 R12: ffff8a87051710e0
[16662.242464] R13: ffff8a8701f55c60 R14: ffff8a87028e0888 R15: ffff8a87028e0930
[16662.242659] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16662.242901] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16662.243073] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16662.243279] Call Trace:
[16662.243399]  
[16662.243525]  ? lock_release+0x1f0/0x2d0
[16662.243673]  ? _raw_spin_unlock+0x29/0x40
[16662.243817]  ? join_transaction+0x12a/0x490
[16662.243964]  btrfs_run_delayed_refs+0x86/0x210
[16662.244117]  flush_space+0x3c8/0x5f0
[16662.244266]  ? _raw_spin_trylock_bh+0x31/0x70
[16662.244414]  ? rcu_read_lock_sched_held+0x12/0x60
[16662.244585]  ? lock_release+0x1f0/0x2d0
[16662.244729]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16662.244904]  process_one_work+0x270/0x5a0
[16662.245049]  worker_thread+0x55/0x3c0
[16662.245196]  ? process_one_work+0x5a0/0x5a0
[16662.245345]  kthread+0x174/0x1a0
[16662.245491]  ? set_kthread_struct+0x40/0x40
[16662.245636]  ret_from_fork+0x1f/0x30
[16662.245775]  
[16662.245890] irq event stamp: 0
[16662.246016] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16662.246200] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16662.252039] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16662.252305] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16662.252495] ---[ end trace b600c386fb5e178d ]---
[16662.252680] ------------[ cut here ]------------
[16662.252833] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16662.253112] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16662.254489] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16662.254751] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16662.255000] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16662.255205] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16662.255377] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16662.255837] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16662.256001] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16662.256208] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16662.256403] RBP: 0000000000000000 R08: ffff8a8737b125c8 R09: 0000000000000000
[16662.256609] R10: ffff8a87028e0800 R11: 0000000000000002 R12: ffff8a8737ba20e0
[16662.256803] R13: ffff8a8701f55c60 R14: ffff8a8737b124e0 R15: ffff8a8737b12588
[16662.256998] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16662.257256] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16662.257426] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16662.257634] Call Trace:
[16662.257757]  
[16662.257871]  ? lock_release+0x1f0/0x2d0
[16662.258013]  ? _raw_spin_unlock+0x29/0x40
[16662.258162]  ? join_transaction+0x12a/0x490
[16662.258311]  btrfs_run_delayed_refs+0x86/0x210
[16662.258475]  flush_space+0x3c8/0x5f0
[16662.258612]  ? _raw_spin_trylock_bh+0x31/0x70
[16662.258762]  ? rcu_read_lock_sched_held+0x12/0x60
[16662.258917]  ? lock_release+0x1f0/0x2d0
[16662.259057]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16662.259241]  process_one_work+0x270/0x5a0
[16662.259388]  worker_thread+0x55/0x3c0
[16662.259541]  ? process_one_work+0x5a0/0x5a0
[16662.259688]  kthread+0x174/0x1a0
[16662.259822]  ? set_kthread_struct+0x40/0x40
[16662.259971]  ret_from_fork+0x1f/0x30
[16662.260110]  
[16662.260232] irq event stamp: 0
[16662.260361] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16662.260552] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16662.260797] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16662.261048] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16662.261235] ---[ end trace b600c386fb5e178e ]---
[16662.261414] ------------[ cut here ]------------
[16662.261583] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16662.261866] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16662.263247] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16662.263515] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16662.263773] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16662.263966] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16662.264143] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16662.264603] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16662.264770] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16662.264964] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16662.265170] RBP: 0000000000000000 R08: ffff8a8737b13be0 R09: 0000000000000000
[16662.265366] R10: ffff8a8737b12400 R11: 0000000000000002 R12: ffff8a8737a74150
[16662.265573] R13: ffff8a8701f55c60 R14: ffff8a8737b13af8 R15: ffff8a8737b13ba0
[16662.265763] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16662.266006] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16662.266181] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16662.266376] Call Trace:
[16662.266509]  
[16662.266622]  ? lock_release+0x1f0/0x2d0
[16662.266766]  ? _raw_spin_unlock+0x29/0x40
[16662.266911]  ? join_transaction+0x12a/0x490
[16662.267057]  btrfs_run_delayed_refs+0x86/0x210
[16662.267220]  flush_space+0x3c8/0x5f0
[16662.267359]  ? _raw_spin_trylock_bh+0x31/0x70
[16662.267520]  ? rcu_read_lock_sched_held+0x12/0x60
[16662.267676]  ? lock_release+0x1f0/0x2d0
[16662.267816]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16662.267990]  process_one_work+0x270/0x5a0
[16662.268146]  worker_thread+0x55/0x3c0
[16662.268285]  ? process_one_work+0x5a0/0x5a0
[16662.268432]  kthread+0x174/0x1a0
[16662.268578]  ? set_kthread_struct+0x40/0x40
[16662.268726]  ret_from_fork+0x1f/0x30
[16662.268864]  
[16662.268979] irq event stamp: 0
[16662.269106] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16662.269295] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16662.269559] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16662.269805] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16662.269987] ---[ end trace b600c386fb5e178f ]---
[16662.270168] ------------[ cut here ]------------
[16662.270326] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16662.270613] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16662.272602] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16662.272856] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16662.273111] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16662.273311] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16662.273492] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16662.273952] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16662.274116] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16662.274310] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16662.274515] RBP: 0000000000000000 R08: ffff8a8737b12e50 R09: 0000000000000000
[16662.274706] R10: ffff8a8737b13a00 R11: 0000000000000002 R12: ffff8a8737ba2070
[16662.274899] R13: ffff8a8701f55c60 R14: ffff8a8737b12d68 R15: ffff8a8737b12e10
[16662.275088] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16662.275342] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16662.275527] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16662.275723] Call Trace:
[16662.275838]  
[16662.275950]  ? lock_release+0x1f0/0x2d0
[16662.276095]  ? _raw_spin_unlock+0x29/0x40
[16662.276240]  ? join_transaction+0x12a/0x490
[16662.276388]  btrfs_run_delayed_refs+0x86/0x210
[16662.276555]  flush_space+0x3c8/0x5f0
[16662.276695]  ? _raw_spin_trylock_bh+0x31/0x70
[16662.276844]  ? rcu_read_lock_sched_held+0x12/0x60
[16662.276997]  ? lock_release+0x1f0/0x2d0
[16662.277150]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16662.277322]  process_one_work+0x270/0x5a0
[16662.277479]  worker_thread+0x55/0x3c0
[16662.277618]  ? process_one_work+0x5a0/0x5a0
[16662.277765]  kthread+0x174/0x1a0
[16662.277898]  ? set_kthread_struct+0x40/0x40
[16662.278042]  ret_from_fork+0x1f/0x30
[16662.278187]  
[16662.278302] irq event stamp: 0
[16662.278428] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16662.278623] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16662.278873] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16662.279123] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16662.279314] ---[ end trace b600c386fb5e1790 ]---
[16662.279510] ------------[ cut here ]------------
[16662.279664] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16662.279938] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16662.286902] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16662.287177] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16662.287425] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16662.287630] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16662.287800] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16662.288258] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16662.288419] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16662.288628] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16662.288823] RBP: 0000000000000000 R08: ffff8a871a8bf980 R09: 0000000000000000
[16662.289015] R10: ffff8a8737b12d00 R11: 0000000000000002 R12: ffff8a8737a43bd0
[16662.289225] R13: ffff8a8701f55c60 R14: ffff8a871a8bf888 R15: ffff8a871a8bf930
[16662.289418] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16662.289678] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16662.289849] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16662.290047] Call Trace:
[16662.290171]  
[16662.290284]  ? lock_release+0x1f0/0x2d0
[16662.290425]  ? _raw_spin_unlock+0x29/0x40
[16662.290584]  ? join_transaction+0x12a/0x490
[16662.290734]  btrfs_run_delayed_refs+0x86/0x210
[16662.290883]  flush_space+0x3c8/0x5f0
[16662.291022]  ? _raw_spin_trylock_bh+0x31/0x70
[16662.291189]  ? rcu_read_lock_sched_held+0x12/0x60
[16662.291342]  ? lock_release+0x1f0/0x2d0
[16662.291498]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16662.291672]  process_one_work+0x270/0x5a0
[16662.291818]  worker_thread+0x55/0x3c0
[16662.291955]  ? process_one_work+0x5a0/0x5a0
[16662.292102]  kthread+0x174/0x1a0
[16662.292243]  ? set_kthread_struct+0x40/0x40
[16662.292392]  ret_from_fork+0x1f/0x30
[16662.292544]  
[16662.292661] irq event stamp: 0
[16662.292788] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16662.292965] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16662.293223] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16662.293489] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16662.293669] ---[ end trace b600c386fb5e1791 ]---
[16662.293854] ------------[ cut here ]------------
[16662.294008] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16662.294284] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16662.295667] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16662.295923] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16662.296189] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16662.296379] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16662.296559] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16662.297012] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16662.297190] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16662.297383] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16662.297588] RBP: 0000000000000000 R08: ffff8a8713f63710 R09: 0000000000000000
[16662.297780] R10: ffff8a871a8bf800 R11: 0000000000003879 R12: ffff8a8737ba2000
[16662.297974] R13: ffff8a8701f55c60 R14: ffff8a8713f63618 R15: ffff8a8713f636c0
[16662.298166] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16662.298409] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16662.298593] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16662.298789] Call Trace:
[16662.298908]  
[16662.299020]  ? lock_release+0x1f0/0x2d0
[16662.299175]  ? _raw_spin_unlock+0x29/0x40
[16662.299318]  ? join_transaction+0x12a/0x490
[16662.299477]  btrfs_run_delayed_refs+0x86/0x210
[16662.299632]  flush_space+0x3c8/0x5f0
[16662.299770]  ? _raw_spin_trylock_bh+0x31/0x70
[16662.299920]  ? rcu_read_lock_sched_held+0x12/0x60
[16662.300072]  ? lock_release+0x1f0/0x2d0
[16662.300226]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16662.300400]  process_one_work+0x270/0x5a0
[16662.300556]  worker_thread+0x55/0x3c0
[16662.300694]  ? process_one_work+0x5a0/0x5a0
[16662.300843]  kthread+0x174/0x1a0
[16662.300975]  ? set_kthread_struct+0x40/0x40
[16662.301127]  ret_from_fork+0x1f/0x30
[16662.301876]  
[16662.301996] irq event stamp: 0
[16662.302127] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16662.302311] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16662.302580] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16662.302824] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16662.303005] ---[ end trace b600c386fb5e1792 ]---
[16662.303202] ------------[ cut here ]------------
[16662.303354] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16662.303644] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16662.305027] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16662.305293] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16662.305562] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16662.305751] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16662.305918] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16662.306381] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16662.306558] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16662.306751] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16662.306943] RBP: 0000000000000000 R08: ffff8a8737a75f88 R09: 0000000000000000
[16662.307142] R10: ffff8a8713f63600 R11: 0000000000003827 R12: ffff8a8737a74620
[16662.307335] R13: ffff8a8701f55c60 R14: ffff8a8737a75ea0 R15: ffff8a8737a75f48
[16662.307541] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16662.307788] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16662.307956] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16662.308154] Call Trace:
[16662.308270]  
[16662.308386]  ? lock_release+0x1f0/0x2d0
[16662.308542]  ? _raw_spin_unlock+0x29/0x40
[16662.308687]  ? join_transaction+0x12a/0x490
[16662.308838]  btrfs_run_delayed_refs+0x86/0x210
[16662.308992]  flush_space+0x3c8/0x5f0
[16662.309136]  ? _raw_spin_trylock_bh+0x31/0x70
[16662.309293]  ? rcu_read_lock_sched_held+0x12/0x60
[16662.309463]  ? lock_release+0x1f0/0x2d0
[16662.309611]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16662.309779]  process_one_work+0x270/0x5a0
[16662.309922]  worker_thread+0x55/0x3c0
[16662.310062]  ? process_one_work+0x5a0/0x5a0
[16662.310224]  kthread+0x174/0x1a0
[16662.310354]  ? set_kthread_struct+0x40/0x40
[16662.310512]  ret_from_fork+0x1f/0x30
[16662.310655]  
[16662.310766] irq event stamp: 0
[16662.310891] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16662.311072] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16662.311335] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16662.311588] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16662.311771] ---[ end trace b600c386fb5e1793 ]---
[16662.311950] ------------[ cut here ]------------
[16662.312101] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16662.312389] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16662.313755] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16662.319626] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16662.319883] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16662.320071] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16662.320240] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16662.320702] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16662.320869] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16662.321063] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16662.321267] RBP: 0000000000000000 R08: ffff8a8737b12d18 R09: 0000000000000000
[16662.321473] R10: ffff8a8737a75e00 R11: 0000000000000002 R12: ffff8a8737ba2c40
[16662.321669] R13: ffff8a8701f55c60 R14: ffff8a8737b12c30 R15: ffff8a8737b12cd8
[16662.321859] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16662.322102] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16662.322284] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16662.322494] Call Trace:
[16662.322615]  
[16662.322727]  ? lock_release+0x1f0/0x2d0
[16662.322871]  ? _raw_spin_unlock+0x29/0x40
[16662.323016]  ? join_transaction+0x12a/0x490
[16662.323175]  btrfs_run_delayed_refs+0x86/0x210
[16662.323324]  flush_space+0x3c8/0x5f0
[16662.323475]  ? _raw_spin_trylock_bh+0x31/0x70
[16662.323629]  ? rcu_read_lock_sched_held+0x12/0x60
[16662.323784]  ? lock_release+0x1f0/0x2d0
[16662.323927]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16662.324099]  process_one_work+0x270/0x5a0
[16662.324254]  worker_thread+0x55/0x3c0
[16662.324392]  ? process_one_work+0x5a0/0x5a0
[16662.324551]  kthread+0x174/0x1a0
[16662.324684]  ? set_kthread_struct+0x40/0x40
[16662.324831]  ret_from_fork+0x1f/0x30
[16662.324967]  
[16662.325083] irq event stamp: 0
[16662.325219] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16662.325398] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16662.325660] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16662.325905] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16662.326086] ---[ end trace b600c386fb5e1794 ]---
[16662.326286] ------------[ cut here ]------------
[16662.326454] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16662.326727] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16662.328115] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16662.328380] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16662.328644] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16662.328832] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16662.329001] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16662.329476] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16662.329642] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16662.329835] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16662.330024] RBP: 0000000000000000 R08: ffff8a8737b12700 R09: 0000000000000000
[16662.330226] R10: ffff8a8737b12c00 R11: 0000000000000002 R12: ffff8a8737ba28c0
[16662.330417] R13: ffff8a8701f55c60 R14: ffff8a8737b12618 R15: ffff8a8737b126c0
[16662.330623] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16662.330864] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16662.331036] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16662.331997] Call Trace:
[16662.332124]  
[16662.332238]  ? lock_release+0x1f0/0x2d0
[16662.332387]  ? _raw_spin_unlock+0x29/0x40
[16662.332546]  ? join_transaction+0x12a/0x490
[16662.332693]  btrfs_run_delayed_refs+0x86/0x210
[16662.332847]  flush_space+0x3c8/0x5f0
[16662.332985]  ? _raw_spin_trylock_bh+0x31/0x70
[16662.333140]  ? rcu_read_lock_sched_held+0x12/0x60
[16662.333296]  ? lock_release+0x1f0/0x2d0
[16662.333451]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16662.333626]  process_one_work+0x270/0x5a0
[16662.333770]  worker_thread+0x55/0x3c0
[16662.333907]  ? process_one_work+0x5a0/0x5a0
[16662.334052]  kthread+0x174/0x1a0
[16662.334194]  ? set_kthread_struct+0x40/0x40
[16662.334339]  ret_from_fork+0x1f/0x30
[16662.334493]  
[16662.334610] irq event stamp: 0
[16662.334737] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16662.334918] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16662.335178] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16662.335425] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16662.335618] ---[ end trace b600c386fb5e1795 ]---
[16662.335807] ------------[ cut here ]------------
[16662.335962] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16662.336250] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16662.337628] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16662.337891] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16662.338153] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16662.338341] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16662.338526] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16662.338981] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16662.339152] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16662.339353] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16662.339556] RBP: 0000000000000000 R08: ffff8a876428eab8 R09: 0000000000000000
[16662.339749] R10: ffff8a8737b12600 R11: 0000000000000002 R12: ffff8a8712c354d0
[16662.339938] R13: ffff8a8701f55c60 R14: ffff8a876428e9c0 R15: ffff8a876428ea68
[16662.340139] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16662.340388] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16662.340570] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16662.340767] Call Trace:
[16662.340884]  
[16662.341000]  ? lock_release+0x1f0/0x2d0
[16662.341150]  ? _raw_spin_unlock+0x29/0x40
[16662.341297]  ? join_transaction+0x12a/0x490
[16662.341459]  btrfs_run_delayed_refs+0x86/0x210
[16662.341615]  flush_space+0x3c8/0x5f0
[16662.341750]  ? _raw_spin_trylock_bh+0x31/0x70
[16662.341897]  ? rcu_read_lock_sched_held+0x12/0x60
[16662.342055]  ? lock_release+0x1f0/0x2d0
[16662.342207]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16662.342376]  process_one_work+0x270/0x5a0
[16662.342535]  worker_thread+0x55/0x3c0
[16662.342676]  ? process_one_work+0x5a0/0x5a0
[16662.342823]  kthread+0x174/0x1a0
[16662.342953]  ? set_kthread_struct+0x40/0x40
[16662.343099]  ret_from_fork+0x1f/0x30
[16662.343251]  
[16662.343363] irq event stamp: 0
[16662.343506] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16662.343687] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16662.343933] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16662.344190] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16662.344367] ---[ end trace b600c386fb5e1796 ]---
[16662.344560] ------------[ cut here ]------------
[16662.344714] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16662.344993] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16662.346365] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16662.346638] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16662.346890] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16662.347079] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16662.347260] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16662.347722] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16662.353481] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16662.353679] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16662.353874] RBP: 0000000000000000 R08: ffff8a876428eaa8 R09: 0000000000000000
[16662.354065] R10: ffff8a8712c35400 R11: 0000000000003719 R12: ffff8a8705578150
[16662.354265] R13: ffff8a8701f55c60 R14: ffff8a876428e9c0 R15: ffff8a876428ea68
[16662.354470] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16662.354713] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16662.354886] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16662.355081] Call Trace:
[16662.355211]  
[16662.355323]  ? lock_release+0x1f0/0x2d0
[16662.355483]  ? _raw_spin_unlock+0x29/0x40
[16662.355626]  ? join_transaction+0x12a/0x490
[16662.355772]  btrfs_run_delayed_refs+0x86/0x210
[16662.355925]  flush_space+0x3c8/0x5f0
[16662.356064]  ? _raw_spin_trylock_bh+0x31/0x70
[16662.356215]  ? rcu_read_lock_sched_held+0x12/0x60
[16662.356369]  ? lock_release+0x1f0/0x2d0
[16662.356525]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16662.356701]  process_one_work+0x270/0x5a0
[16662.356843]  worker_thread+0x55/0x3c0
[16662.356980]  ? process_one_work+0x5a0/0x5a0
[16662.357137]  kthread+0x174/0x1a0
[16662.357272]  ? set_kthread_struct+0x40/0x40
[16662.357416]  ret_from_fork+0x1f/0x30
[16662.357566]  
[16662.357685] irq event stamp: 0
[16662.357813] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16662.357990] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16662.358249] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16662.358509] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16662.358690] ---[ end trace b600c386fb5e1797 ]---
[16662.358873] ------------[ cut here ]------------
[16662.359027] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16662.359320] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16662.360737] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16662.360991] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16662.362045] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16662.362250] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16662.362424] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16662.362893] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16662.363059] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16662.363263] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16662.363467] RBP: 0000000000000000 R08: ffff8a876428e700 R09: 0000000000000000
[16662.363667] R10: ffff8a876428e900 R11: 0000000000000002 R12: ffff8a876428f930
[16662.363859] R13: ffff8a8701f55c60 R14: ffff8a876428e618 R15: ffff8a876428e6c0
[16662.364051] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16662.364297] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16662.364484] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16662.364677] Call Trace:
[16662.364796]  
[16662.364911]  ? lock_release+0x1f0/0x2d0
[16662.365058]  ? _raw_spin_unlock+0x29/0x40
[16662.365213]  ? join_transaction+0x12a/0x490
[16662.365363]  btrfs_run_delayed_refs+0x86/0x210
[16662.365530]  flush_space+0x3c8/0x5f0
[16662.365667]  ? _raw_spin_trylock_bh+0x31/0x70
[16662.365814]  ? rcu_read_lock_sched_held+0x12/0x60
[16662.365971]  ? lock_release+0x1f0/0x2d0
[16662.366114]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16662.366295]  process_one_work+0x270/0x5a0
[16662.366453]  worker_thread+0x55/0x3c0
[16662.366595]  ? process_one_work+0x5a0/0x5a0
[16662.366742]  kthread+0x174/0x1a0
[16662.366871]  ? set_kthread_struct+0x40/0x40
[16662.367015]  ret_from_fork+0x1f/0x30
[16662.367169]  
[16662.367285] irq event stamp: 0
[16662.367411] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16662.367605] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16662.367857] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16662.368102] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16662.368287] ---[ end trace b600c386fb5e1798 ]---
[16662.368504] ------------[ cut here ]------------
[16662.368657] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16662.368944] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16662.370375] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16662.370663] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16662.370914] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16662.371106] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16662.371288] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16662.371756] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16662.371921] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16662.372113] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16662.372308] RBP: 0000000000000000 R08: ffff8a8704d80490 R09: 0000000000000000
[16662.372512] R10: ffff8a876428e600 R11: ffff8a87057e4a08 R12: ffff8a8705c34c40
[16662.372708] R13: ffff8a8701f55c60 R14: ffff8a8704d803a8 R15: ffff8a8704d80450
[16662.372900] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16662.373159] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16662.373328] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16662.373535] Call Trace:
[16662.373652]  
[16662.373768]  ? lock_release+0x1f0/0x2d0
[16662.373909]  ? _raw_spin_unlock+0x29/0x40
[16662.374054]  ? join_transaction+0x12a/0x490
[16662.374214]  btrfs_run_delayed_refs+0x86/0x210
[16662.374366]  flush_space+0x3c8/0x5f0
[16662.374516]  ? _raw_spin_trylock_bh+0x31/0x70
[16662.374670]  ? rcu_read_lock_sched_held+0x12/0x60
[16662.374827]  ? lock_release+0x1f0/0x2d0
[16662.374967]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16662.375146]  process_one_work+0x270/0x5a0
[16662.375291]  worker_thread+0x55/0x3c0
[16662.375430]  ? process_one_work+0x5a0/0x5a0
[16662.375588]  kthread+0x174/0x1a0
[16662.375720]  ? set_kthread_struct+0x40/0x40
[16662.375867]  ret_from_fork+0x1f/0x30
[16662.376008]  
[16662.376123] irq event stamp: 0
[16662.376253] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16662.376433] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16662.376689] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16662.376940] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16662.377121] ---[ end trace b600c386fb5e1799 ]---
[16662.377306] ------------[ cut here ]------------
[16662.377472] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16662.377754] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16662.379136] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16662.379399] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16662.379661] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16662.379855] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16662.380025] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16662.380488] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16662.380651] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16662.380846] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16662.381039] RBP: 0000000000000000 R08: ffff8a8704d80490 R09: 0000000000000000
[16662.381244] R10: ffff8a8705c34c00 R11: 0000000000000002 R12: ffff8a8705578070
[16662.381449] R13: ffff8a8701f55c60 R14: ffff8a8704d803a8 R15: ffff8a8704d80450
[16662.381644] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16662.381893] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16662.382060] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16662.387875] Call Trace:
[16662.387994]  
[16662.388109]  ? lock_release+0x1f0/0x2d0
[16662.388256]  ? _raw_spin_unlock+0x29/0x40
[16662.388399]  ? join_transaction+0x12a/0x490
[16662.388561]  btrfs_run_delayed_refs+0x86/0x210
[16662.388713]  flush_space+0x3c8/0x5f0
[16662.388851]  ? _raw_spin_trylock_bh+0x31/0x70
[16662.389001]  ? rcu_read_lock_sched_held+0x12/0x60
[16662.389166]  ? lock_release+0x1f0/0x2d0
[16662.389313]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16662.389499]  process_one_work+0x270/0x5a0
[16662.389645]  worker_thread+0x55/0x3c0
[16662.389783]  ? process_one_work+0x5a0/0x5a0
[16662.389933]  kthread+0x174/0x1a0
[16662.390064]  ? set_kthread_struct+0x40/0x40
[16662.390221]  ret_from_fork+0x1f/0x30
[16662.390363]  
[16662.390493] irq event stamp: 0
[16662.390620] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16662.390803] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16662.391054] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16662.392050] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16662.392241] ---[ end trace b600c386fb5e179a ]---
[16662.392461] ------------[ cut here ]------------
[16662.392619] WARNING: CPU: 0 PID: 2459676 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16662.392895] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes dm_dust dm_flakey nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16662.394289] CPU: 0 PID: 2459676 Comm: kworker/u4:12 Tainted: G        W         5.16.0-rc4+ #531
[16662.394560] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16662.394814] Workqueue: events_unbound btrfs_preempt_reclaim_metadata_space
[16662.395001] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16662.395186] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16662.395658] RSP: 0018:ffffa9d4c6a07c40 EFLAGS: 00010202
[16662.395821] RAX: 000000000000000d RBX: ffff8a8705e7f000 RCX: 0000000000000000
[16662.396013] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16662.396205] RBP: 0000000000000000 R08: ffff8a870526baa8 R09: 0000000000000000
[16662.396396] R10: ffff8a8704d80300 R11: ffff8a87057e4a08 R12: ffff8a870417b620
[16662.396599] R13: ffff8a8701f55c60 R14: ffff8a870526b9c0 R15: ffff8a870526ba68
[16662.396794] FS:  0000000000000000(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16662.397041] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16662.397221] CR2: 00007f2a897ba9d0 CR3: 0000000105df4002 CR4: 0000000000370ef0
[16662.397414] Call Trace:
[16662.397543]  
[16662.397660]  ? lock_release+0x1f0/0x2d0
[16662.397801]  ? _raw_spin_unlock+0x29/0x40
[16662.397947]  ? join_transaction+0x12a/0x490
[16662.398096]  btrfs_run_delayed_refs+0x86/0x210
[16662.398260]  flush_space+0x3c8/0x5f0
[16662.398396]  ? _raw_spin_trylock_bh+0x31/0x70
[16662.398559]  ? rcu_read_lock_sched_held+0x12/0x60
[16662.398718]  ? lock_release+0x1f0/0x2d0
[16662.398861]  btrfs_preempt_reclaim_metadata_space+0xaf/0x280
[16662.399029]  process_one_work+0x270/0x5a0
[16662.399193]  worker_thread+0x55/0x3c0
[16662.399336]  ? process_one_work+0x5a0/0x5a0
[16662.399500]  kthread+0x174/0x1a0
[16662.399632]  ? set_kthread_struct+0x40/0x40
[16662.399778]  ret_from_fork+0x1f/0x30
[16662.399919]  
[16662.400031] irq event stamp: 0
[16662.400162] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16662.400344] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16662.400611] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16662.400861] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16662.401041] ---[ end trace b600c386fb5e179b ]---
[16662.436214] BTRFS info (device dm-11): flagging fs with big metadata feature
[16662.436434] BTRFS info (device dm-11): turning on async discard
[16662.436637] BTRFS info (device dm-11): disk space caching is enabled
[16662.436828] BTRFS info (device dm-11): has skinny extents
[16662.446597] loop0: detected capacity change from 0 to 6629376
[16662.463502] BTRFS info (device loop0): flagging fs with big metadata feature
[16662.463714] BTRFS info (device loop0): disk space caching is enabled
[16662.463908] BTRFS info (device loop0): has skinny extents
[16662.469473] BTRFS info (device loop0): enabling ssd optimizations
[16662.469686] BTRFS info (device loop0): start tree-log replay
[16662.520507] BTRFS warning (device loop0): block group 298844160 has wrong amount of free space
[16662.520793] BTRFS warning (device loop0): failed to load free space cache for block group 298844160, rebuilding it now
[16664.690639] BTRFS error (device dm-11): bdev /dev/mapper/error-test errs: wr 1, rd 0, flush 0, corrupt 0, gen 0
[16664.690962] BTRFS error (device dm-11): bdev /dev/mapper/error-test errs: wr 2, rd 0, flush 0, corrupt 0, gen 0
[16664.691281] BTRFS warning (device dm-11): lost page write due to IO error on /dev/mapper/error-test (-5)
[16664.691565] BTRFS error (device dm-11): bdev /dev/mapper/error-test errs: wr 3, rd 0, flush 0, corrupt 0, gen 0
[16664.691922] BTRFS error (device dm-11): error writing primary super block to device 1
[16664.692181] BTRFS: error (device dm-11) in write_all_supers:4391: errno=-5 IO failure (1 errors while writing supers)
[16664.692500] BTRFS info (device dm-11): forced readonly
[16664.692668] BTRFS: error (device dm-11) in btrfs_sync_log:3360: errno=-5 IO failure
[16664.692915] lo_write_bvec: 12 callbacks suppressed
[16664.692917] loop: Write error at byte offset 819093504, length 4096.
[16664.692920] blk_print_req_error: 49 callbacks suppressed
[16664.692922] I/O error, dev loop0, sector 0 op 0x1:(WRITE) flags 0x800 phys_seg 0 prio class 0
[16664.693076] loop: Write error at byte offset 819159040, length 4096.
[16664.693275] I/O error, dev loop0, sector 1599792 op 0x1:(WRITE) flags 0x800 phys_seg 6 prio class 0
[16664.694140] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 1, rd 0, flush 0, corrupt 0, gen 0
[16664.694414] I/O error, dev loop0, sector 1599920 op 0x1:(WRITE) flags 0x800 phys_seg 4 prio class 0
[16664.694740] BTRFS warning (device loop0): chunk 13631488 missing 1 devices, max tolerance is 0 for writable mount
[16664.695026] BTRFS: error (device loop0) in write_all_supers:4321: errno=-5 IO failure (errors while submitting device barriers.)
[16664.695338] BTRFS info (device loop0): forced readonly
[16664.695516] BTRFS warning (device loop0): Skipping commit of aborted transaction.
[16664.695751] BTRFS: error (device loop0) in cleanup_transaction:1913: errno=-5 IO failure
[16664.696902] Buffer I/O error on dev dm-11, logical block 2621424, async page read
[16664.697400] loop: Write error at byte offset 819224576, length 4096.
[16664.697752] I/O error, dev loop0, sector 1600048 op 0x1:(WRITE) flags 0x0 phys_seg 2 prio class 0
[16664.698262] BTRFS warning (device loop0): Skipping commit of aborted transaction.
[16664.698432] BTRFS warning (device dm-11): Skipping commit of aborted transaction.
[16664.698521] BTRFS: error (device loop0) in cleanup_transaction:1913: errno=-5 IO failure
[16664.698748] BTRFS: error (device dm-11) in cleanup_transaction:1913: errno=-5 IO failure
[16666.784778] BTRFS info (device dm-11): flagging fs with big metadata feature
[16666.785004] BTRFS info (device dm-11): turning on async discard
[16666.785211] BTRFS info (device dm-11): disk space caching is enabled
[16666.785395] BTRFS info (device dm-11): has skinny extents
[16666.787591] BTRFS info (device dm-11): start tree-log replay
[16666.832908] loop0: detected capacity change from 0 to 6629376
[16666.849465] BTRFS info (device loop0): flagging fs with big metadata feature
[16666.849771] BTRFS info (device loop0): disk space caching is enabled
[16666.850040] BTRFS info (device loop0): has skinny extents
[16666.875952] BTRFS info (device loop0): enabling ssd optimizations
[16668.944945] BTRFS warning (device dm-11): lost page write due to IO error on /dev/mapper/error-test (-5)
[16668.945249] btrfs_dev_stat_print_on_error: 3 callbacks suppressed
[16668.945251] BTRFS error (device dm-11): bdev /dev/mapper/error-test errs: wr 1, rd 0, flush 0, corrupt 0, gen 0
[16668.945736] BTRFS warning (device dm-11): lost page write due to IO error on /dev/mapper/error-test (-5)
[16668.946018] BTRFS error (device dm-11): bdev /dev/mapper/error-test errs: wr 2, rd 0, flush 0, corrupt 0, gen 0
[16668.947282] BTRFS error (device dm-11): error writing primary super block to device 1
[16668.947573] BTRFS: error (device dm-11) in write_all_supers:4391: errno=-5 IO failure (1 errors while writing supers)
[16668.947875] BTRFS info (device dm-11): forced readonly
[16668.948048] BTRFS warning (device dm-11): Skipping commit of aborted transaction.
[16668.948315] BTRFS: error (device dm-11) in cleanup_transaction:1913: errno=-5 IO failure
[16668.949434] BTRFS: error (device dm-11) in btrfs_sync_log:3349: errno=-5 IO failure
[16668.949817] loop: Write error at byte offset 845864960, length 4096.
[16668.950015] loop: Write error at byte offset 845930496, length 4096.
[16668.950022] I/O error, dev loop0, sector 1652080 op 0x1:(WRITE) flags 0x800 phys_seg 14 prio class 0
[16668.950353] I/O error, dev loop0, sector 0 op 0x1:(WRITE) flags 0x800 phys_seg 0 prio class 0
[16668.956958] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 1, rd 0, flush 0, corrupt 0, gen 0
[16668.957527] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 1, rd 0, flush 1, corrupt 0, gen 0
[16668.957801] BTRFS warning (device loop0): chunk 13631488 missing 1 devices, max tolerance is 0 for writable mount
[16668.957814] Buffer I/O error on dev dm-11, logical block 2621424, async page read
[16668.958094] BTRFS: error (device loop0) in write_all_supers:4321: errno=-5 IO failure (errors while submitting device barriers.)
[16668.958646] BTRFS info (device loop0): forced readonly
[16668.958810] BTRFS warning (device loop0): Skipping commit of aborted transaction.
[16668.959072] BTRFS: error (device loop0) in cleanup_transaction:1913: errno=-5 IO failure
[16668.960371] loop: Write error at byte offset 845996032, length 4096.
[16668.960592] loop: Write error at byte offset 818806784, length 4096.
[16668.960821] I/O error, dev loop0, sector 1652336 op 0x1:(WRITE) flags 0x0 phys_seg 11 prio class 0
[16668.961254] I/O error, dev loop0, sector 1652208 op 0x1:(WRITE) flags 0x800 phys_seg 6 prio class 0
[16668.961934] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 2, rd 0, flush 1, corrupt 0, gen 0
[16668.962259] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 3, rd 0, flush 1, corrupt 0, gen 0
[16668.962576] I/O error, dev loop0, sector 1599232 op 0x1:(WRITE) flags 0x0 phys_seg 1 prio class 0
[16668.963219] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 4, rd 0, flush 1, corrupt 0, gen 0
[16668.965096] loop: Write error at byte offset 845930496, length 4096.
[16668.965292] BTRFS warning (device loop0): Skipping commit of aborted transaction.
[16668.965306] loop: Write error at byte offset 845864960, length 4096.
[16668.965676] I/O error, dev loop0, sector 1652208 op 0x1:(WRITE) flags 0x800 phys_seg 5 prio class 0
[16668.965682] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 5, rd 0, flush 1, corrupt 0, gen 0
[16668.966443] BTRFS error (device loop0): bdev /dev/loop0 errs: wr 6, rd 0, flush 1, corrupt 0, gen 0
[16670.085957] BTRFS info (device dm-11): flagging fs with big metadata feature
[16670.086181] BTRFS info (device dm-11): turning on async discard
[16670.086358] BTRFS info (device dm-11): disk space caching is enabled
[16670.086561] BTRFS info (device dm-11): has skinny extents
[16670.088630] BTRFS info (device dm-11): start tree-log replay
[16670.155734] loop0: detected capacity change from 0 to 6629376
[16670.174424] BTRFS info (device loop0): flagging fs with big metadata feature
[16670.174649] BTRFS info (device loop0): disk space caching is enabled
[16670.174833] BTRFS info (device loop0): has skinny extents
[16670.247817] BTRFS info (device loop0): enabling ssd optimizations
[16671.337887] BTRFS warning (device dm-11): lost page write due to IO error on /dev/mapper/error-test (-5)
[16671.339404] BTRFS error (device dm-11): bdev /dev/mapper/error-test errs: wr 1, rd 0, flush 0, corrupt 0, gen 0
[16671.341715] BTRFS error (device dm-11): error writing primary super block to device 1
[16671.342987] BTRFS: error (device dm-11) in write_all_supers:4391: errno=-5 IO failure (1 errors while writing supers)
[16671.344390] BTRFS info (device dm-11): forced readonly
[16671.345157] BTRFS: error (device dm-11) in btrfs_sync_log:3360: errno=-5 IO failure
[16671.349683] loop: Write error at byte offset 855130112, length 4096.
[16671.349703] blk_print_req_error: 1 callbacks suppressed
[16671.349712] I/O error, dev loop0, sector 0 op 0x1:(WRITE) flags 0x800 phys_seg 0 prio class 0
[16671.350842] I/O error, dev loop0, sector 1670176 op 0x1:(WRITE) flags 0x0 phys_seg 5 prio class 0
[16671.351657] BTRFS warning (device loop0): chunk 13631488 missing 1 devices, max tolerance is 0 for writable mount
[16671.353297] loop: Write error at byte offset 855166976, length 4096.
[16671.353878] BTRFS: error (device loop0) in write_all_supers:4321: errno=-5 IO failure (errors while submitting device barriers.)
[16671.354929] loop: Write error at byte offset 46235648, length 4096.
[16671.354935] loop: Write error at byte offset 314671104, length 4096.
[16671.354942] loop: Write error at byte offset 46268416, length 4096.
[16671.354939] I/O error, dev loop0, sector 1670248 op 0x1:(WRITE) flags 0x800 phys_seg 16 prio class 0
[16671.354957] I/O error, dev loop0, sector 90368 op 0x1:(WRITE) flags 0x1800 phys_seg 4 prio class 0
[16671.355028] I/O error, dev loop0, sector 90304 op 0x1:(WRITE) flags 0x1800 phys_seg 4 prio class 0
[16671.355083] BTRFS warning (device dm-11): Skipping commit of aborted transaction.
[16671.355745] BTRFS info (device loop0): forced readonly
[16671.355753] BTRFS warning (device loop0): Skipping commit of aborted transaction.
[16671.355756] BTRFS: error (device loop0) in cleanup_transaction:1913: errno=-5 IO failure
[16671.356742] BTRFS: error (device dm-11) in cleanup_transaction:1913: errno=-5 IO failure
[16671.357309] I/O error, dev loop0, sector 614592 op 0x1:(WRITE) flags 0x1800 phys_seg 4 prio class 0
[16671.357959] loop: Write error at byte offset 314703872, length 4096.
[16671.359083] ------------[ cut here ]------------
[16671.359250] I/O error, dev loop0, sector 614656 op 0x1:(WRITE) flags 0x1800 phys_seg 4 prio class 0
[16671.359964] WARNING: CPU: 0 PID: 2490858 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[16671.360612] loop: Write error at byte offset 46301184, length 4096.
[16671.360853] Modules linked in:
[16671.362090] I/O error, dev loop0, sector 90432 op 0x1:(WRITE) flags 0x1800 phys_seg 4 prio class 0
[16671.362330]  dm_thin_pool
[16671.362757] loop: Write error at byte offset 314736640, length 4096.
[16671.363033]  dm_persistent_data
[16671.363494] I/O error, dev loop0, sector 614720 op 0x1:(WRITE) flags 0x1800 phys_seg 4 prio class 0
[16671.363687]  dm_bio_prison
[16671.364209] loop: Write error at byte offset 46350336, length 4096.
[16671.364234]  dm_log_writes
[16671.364697] I/O error, dev loop0, sector 90528 op 0x1:(WRITE) flags 0x1800 phys_seg 4 prio class 0
[16671.364886]  dm_dust
[16671.365948] BTRFS warning (device loop0): csum hole found for disk bytenr range [570392576, 570396672)
[16671.366145]  dm_flakey
[16671.366283] BTRFS warning (device loop0): csum hole found for disk bytenr range [570396672, 570400768)
[16671.366478]  nft_fib_inet
[16671.366605] BTRFS warning (device loop0): csum hole found for disk bytenr range [570400768, 570404864)
[16671.366879]  nft_fib_ipv4
[16671.366995] BTRFS warning (device loop0): csum hole found for disk bytenr range [570404864, 570408960)
[16671.367273]  nft_fib_ipv6
[16671.367411] loop: Write error at byte offset 314785792, length 4096.
[16671.367679]  nft_fib
[16671.367848] BTRFS warning (device loop0): csum hole found for disk bytenr range [570408960, 570413056)
[16671.368132]  nft_reject_inet
[16671.368258] BTRFS warning (device loop0): csum hole found for disk bytenr range [576864256, 576868352)
[16671.368508]  nf_reject_ipv4
[16671.368631] BTRFS warning (device loop0): csum hole found for disk bytenr range [576868352, 576872448)
[16671.368821]  nf_reject_ipv6
[16671.368940] BTRFS warning (device loop0): csum hole found for disk bytenr range [576872448, 576876544)
[16671.369220]  nft_reject
[16671.369358] BTRFS warning (device loop0): csum hole found for disk bytenr range [576876544, 576880640)
[16671.369655]  nft_ct
[16671.369777] BTRFS warning (device loop0): csum hole found for disk bytenr range [576880640, 576884736)
[16671.370052]  nft_chain_nat
[16671.370222] BTRFS warning (device loop0): csum failed root 5 ino 858 off 1814528 csum 0x69ee84b4 expected csum 0x00000000 mirror 1
[16671.370460]  nf_nat
[16671.370579] BTRFS warning (device loop0): csum failed root 5 ino 858 off 1818624 csum 0x69ee84b4 expected csum 0x00000000 mirror 1
[16671.370840]  nf_conntrack
[16671.370958] BTRFS warning (device loop0): csum failed root 5 ino 858 off 1822720 csum 0x69ee84b4 expected csum 0x00000000 mirror 1
[16671.371224]  nf_defrag_ipv6
[16671.371354] BTRFS warning (device loop0): csum failed root 5 ino 858 off 1826816 csum 0x69ee84b4 expected csum 0x00000000 mirror 1
[16671.371661]  nf_defrag_ipv4 ip6_tables
[16671.371781] BTRFS warning (device loop0): csum failed root 5 ino 858 off 1830912 csum 0x69ee84b4 expected csum 0x00000000 mirror 1
[16671.372091]  nft_compat
[16671.372215] BTRFS warning (device loop0): csum failed root 5 ino 858 off 1835008 csum 0x69ee84b4 expected csum 0x00000000 mirror 1
[16671.372522]  rfkill
[16671.372657] BTRFS warning (device loop0): csum failed root 5 ino 858 off 1839104 csum 0x69ee84b4 expected csum 0x00000000 mirror 1
[16671.372956]  ip_set
[16671.373106] BTRFS warning (device loop0): csum failed root 5 ino 858 off 1843200 csum 0x69ee84b4 expected csum 0x00000000 mirror 1
[16671.373418]  nf_tables
[16671.373545] BTRFS warning (device loop0): csum failed root 5 ino 858 off 1794048 csum 0x69ee84b4 expected csum 0x00000000 mirror 1
[16671.373841]  nfnetlink
[16671.373960] BTRFS warning (device loop0): csum failed root 5 ino 858 off 1798144 csum 0x69ee84b4 expected csum 0x00000000 mirror 1
[16671.374265]  iTCO_wdt intel_rapl_msr iTCO_vendor_support snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg intel_rapl_common joydev snd_hda_codec i2c_i801 i2c_smbus snd_hwdep snd_hda_core snd_pcm snd_timer snd soundcore lpc_ich virtio_balloon zram ip_tables xfs crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[16671.382802] CPU: 0 PID: 2490858 Comm: fsstress Tainted: G        W         5.16.0-rc4+ #531
[16671.383089] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[16671.383100] Buffer I/O error on dev dm-11, logical block 2621424, async page read
[16671.383358] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[16671.383784] Code: 8b 54 24 08 45 85 d2 0f 85 de 01 00 00 48 85 ed 0f 84 39 f8 ff ff 48 8b 3d aa ac d5 02 48 89 ee e8 12 c3 e3 ff e9 25 f8 ff ff <0f> 0b e9 11 f7 ff ff 65 ff 05 3f 98 a6 62 48 8b 05 58 b5 85 01 e8
[16671.384267] RSP: 0000:ffffa9d4c3277988 EFLAGS: 00010202
[16671.384444] RAX: 000000000000000d RBX: ffff8a8705e7a000 RCX: 0000000000000000
[16671.384645] RDX: 0000000000000001 RSI: ffffffff9d5b5d6a RDI: 00000000ffffffff
[16671.384849] RBP: 0000000000000000 R08: ffff8a8713f1e970 R09: 0000000000000000
[16671.385065] R10: 0000000000000000 R11: ffffffff9ecef7d0 R12: ffff8a87304812d8
[16671.385269] R13: ffff8a8701f55060 R14: ffff8a8713f1e888 R15: ffff8a8713f1e930
[16671.385481] FS:  00007f8a04a98740(0000) GS:ffff8a877bc00000(0000) knlGS:0000000000000000
[16671.385749] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16671.385925] CR2: 00007fade9d06c84 CR3: 00000001064bc003 CR4: 0000000000370ef0
[16671.386133] Call Trace:
[16671.386255]  
[16671.386379]  ? btrfs_get_32+0x30/0xf0
[16671.386523]  ? __mutex_lock+0x80/0x8a0
[16671.386681]  ? __mutex_lock+0xda/0x8a0
[16671.386826]  ? rcu_read_lock_sched_held+0x12/0x60
[16671.386981]  ? lock_release+0x1f0/0x2d0
[16671.387130]  btrfs_run_delayed_refs+0x86/0x210
[16671.387293]  ? __mutex_unlock_slowpath+0x35/0x260
[16671.387469]  btrfs_start_dirty_block_groups+0x2af/0x540
[16671.387643]  btrfs_commit_transaction+0x85e/0xad0
[16671.387803]  ? _raw_spin_unlock+0x29/0x40
[16671.387950]  ? btrfs_block_rsv_release+0x173/0x1e0
[16671.388116]  create_subvol+0x567/0x9a0
[16671.388260]  btrfs_mksubvol+0x447/0x4c0
[16671.388411]  ? preempt_count_add+0x49/0xa0
[16671.388562]  __btrfs_ioctl_snap_create+0x123/0x190
[16671.388727]  ? _copy_from_user+0x65/0xa0
[16671.388873]  btrfs_ioctl_snap_create_v2+0xbb/0x140
[16671.389029]  btrfs_ioctl+0x105/0x3160
[16671.389178]  ? rcu_read_lock_sched_held+0x12/0x60
[16671.389347]  ? lock_release+0x1f0/0x2d0
[16671.389507]  ? __x64_sys_ioctl+0x80/0xb0
[16671.389670]  __x64_sys_ioctl+0x80/0xb0
[16671.389830]  do_syscall_64+0x38/0x90
[16671.389973]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[16671.390142] RIP: 0033:0x7f8a04b934cb
[16671.390284] Code: 89 d8 49 8d 3c 1c 48 f7 d8 49 39 c4 72 b5 e8 1c ff ff ff 85 c0 78 ba 4c 89 e0 5b 5d 41 5c c3 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d b9 0c 00 f7 d8 64 89 01 48
[16671.390767] RSP: 002b:00007ffce79be1a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
[16671.391003] RAX: ffffffffffffffda RBX: 00007ffce79bf1f0 RCX: 00007f8a04b934cb
[16671.391204] RDX: 00007ffce79be1b0 RSI: 0000000050009418 RDI: 0000000000000003
[16671.391411] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007ffce79bfd37
[16671.391616] R10: 00000000004010ca R11: 0000000000000202 R12: 0000000000000003
[16671.391811] R13: 00007ffce79be1b0 R14: 00000000004063d0 R15: 00007f8a04a986c8
[16671.392009]  
[16671.392735] irq event stamp: 0
[16671.392861] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[16671.393047] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[16671.393304] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[16671.393582] softirqs last disabled at (0): [<0000000000000000>] 0x0
[16671.393801] ---[ end trace b600c386fb5e179c ]---
[16671.395746] BTRFS: error (device loop0) in __btrfs_free_extent:3081: errno=-5 IO failure
[16671.396025] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2161: errno=-5 IO failure
[16673.456853] BTRFS info (device dm-11): flagging fs with big metadata feature
[16673.457122] BTRFS info (device dm-11): turning on async discard
[16673.457295] BTRFS info (device dm-11): disk space caching is enabled
[16673.457496] BTRFS info (device dm-11): has skinny extents
[16673.459606] BTRFS info (device dm-11): start tree-log replay
[16673.509094] loop0: detected capacity change from 0 to 6629376
[16673.522998] BTRFS info (device loop0): flagging fs with big metadata feature
[16673.523325] BTRFS info (device loop0): disk space caching is enabled
[16673.523658] BTRFS info (device loop0): has skinny extents
[16673.540113] BTRFS info (device loop0): enabling ssd optimizations
[16673.540433] BTRFS info (device loop0): start tree-log replay