[15851.909388] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15851.909672] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15851.909953] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15851.910169] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15851.910357] 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 53 48 8b 05 58 b5 85 01 e8
[15851.910880] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15851.911058] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15851.911265] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15851.911479] RBP: 0000000000000000 R08: ffff9f4e168cc358 R09: 0000000000000000
[15851.912468] R10: ffff9f4e3ffd3000 R11: 000000000003a560 R12: ffff9f4dc7d63d20
[15851.912692] R13: ffff9f4ddd4e8960 R14: ffff9f4e168cc270 R15: ffff9f4e168cc318
[15851.912917] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15851.913186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15851.913368] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15851.913582] Call Trace:
[15851.913713]  
[15851.913858]  btrfs_run_delayed_refs+0x86/0x210
[15851.914033]  flush_space+0x3c8/0x5f0
[15851.914179]  ? rcu_read_lock_sched_held+0x12/0x60
[15851.914354]  ? lock_release+0x1f0/0x2d0
[15851.914508]  ? _raw_spin_unlock+0x29/0x40
[15851.914667]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15851.914865]  process_one_work+0x270/0x5a0
[15851.915028]  worker_thread+0x55/0x3c0
[15851.915180]  ? process_one_work+0x5a0/0x5a0
[15851.915364]  kthread+0x174/0x1a0
[15851.915579]  ? set_kthread_struct+0x40/0x40
[15851.915774]  ret_from_fork+0x1f/0x30
[15851.915946]  
[15851.916071] irq event stamp: 0
[15851.916225] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15851.916411] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15851.916711] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15851.916990] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15851.917190] ---[ end trace ae76d5b6842aa02a ]---
[15851.917449] ------------[ cut here ]------------
[15851.917626] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15851.917933] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15851.919371] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15851.919638] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15851.919912] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15851.920103] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15851.920276] 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 53 48 8b 05 58 b5 85 01 e8
[15851.920740] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15851.920919] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15851.921120] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15851.921318] RBP: 0000000000000000 R08: ffff9f4e2d275490 R09: 0000000000000000
[15851.921521] R10: ffff9f4e3ffd3000 R11: 000000000003a560 R12: ffff9f4e2d38a540
[15851.921716] R13: ffff9f4ddd4e8960 R14: ffff9f4e2d2753a8 R15: ffff9f4e2d275450
[15851.921924] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15851.922176] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15851.922360] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15851.922571] Call Trace:
[15851.922695]  
[15851.922824]  btrfs_run_delayed_refs+0x86/0x210
[15851.922983]  flush_space+0x3c8/0x5f0
[15851.923124]  ? rcu_read_lock_sched_held+0x12/0x60
[15851.923280]  ? lock_release+0x1f0/0x2d0
[15851.923424]  ? _raw_spin_unlock+0x29/0x40
[15851.923579]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15851.923748]  process_one_work+0x270/0x5a0
[15851.923908]  worker_thread+0x55/0x3c0
[15851.924051]  ? process_one_work+0x5a0/0x5a0
[15851.924201]  kthread+0x174/0x1a0
[15851.924333]  ? set_kthread_struct+0x40/0x40
[15851.924484]  ret_from_fork+0x1f/0x30
[15851.924628]  
[15851.924744] irq event stamp: 0
[15851.924882] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15851.925076] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15851.925331] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15851.925584] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15851.925768] ---[ end trace ae76d5b6842aa02b ]---
[15851.925972] ------------[ cut here ]------------
[15851.926163] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15851.932689] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15851.934108] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15851.934370] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15851.934632] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15851.934834] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15851.935008] 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 53 48 8b 05 58 b5 85 01 e8
[15851.935465] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15851.935636] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15851.935847] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15851.936045] RBP: 0000000000000000 R08: ffff9f4e15ccabe0 R09: 0000000000000000
[15851.936254] R10: ffff9f4e3ffd3000 R11: 000000000003a560 R12: ffff9f4dc58741c0
[15851.936453] R13: ffff9f4ddd4e8960 R14: ffff9f4e15ccaaf8 R15: ffff9f4e15ccaba0
[15851.936666] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15851.936924] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15851.937103] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15851.937301] Call Trace:
[15851.937423]  
[15851.937547]  btrfs_run_delayed_refs+0x86/0x210
[15851.937705]  flush_space+0x3c8/0x5f0
[15851.937858]  ? rcu_read_lock_sched_held+0x12/0x60
[15851.938018]  ? lock_release+0x1f0/0x2d0
[15851.938160]  ? _raw_spin_unlock+0x29/0x40
[15851.938309]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15851.938488]  process_one_work+0x270/0x5a0
[15851.938636]  worker_thread+0x55/0x3c0
[15851.938775]  ? process_one_work+0x5a0/0x5a0
[15851.938936]  kthread+0x174/0x1a0
[15851.939074]  ? set_kthread_struct+0x40/0x40
[15851.939225]  ret_from_fork+0x1f/0x30
[15851.939367]  
[15851.939491] irq event stamp: 0
[15851.939620] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15851.939818] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15851.940076] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15851.940325] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15851.940513] ---[ end trace ae76d5b6842aa02c ]---
[15851.940718] ------------[ cut here ]------------
[15851.940891] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15851.941193] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15851.943480] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15851.943743] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15851.944019] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15851.944211] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15851.944385] 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 53 48 8b 05 58 b5 85 01 e8
[15851.944870] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15851.945036] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15851.945232] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15851.945424] RBP: 0000000000000000 R08: ffff9f4dc7d65358 R09: 0000000000000000
[15851.945627] R10: ffff9f4e15ccaa00 R11: 0000000000000001 R12: ffff9f4df7758690
[15851.945835] R13: ffff9f4ddd4e8960 R14: ffff9f4dc7d65270 R15: ffff9f4dc7d65318
[15851.946037] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15851.946285] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15851.946459] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15851.946662] Call Trace:
[15851.946781]  
[15851.946915]  btrfs_run_delayed_refs+0x86/0x210
[15851.947081]  flush_space+0x3c8/0x5f0
[15851.947221]  ? rcu_read_lock_sched_held+0x12/0x60
[15851.947398]  ? lock_release+0x1f0/0x2d0
[15851.947557]  ? _raw_spin_unlock+0x29/0x40
[15851.947705]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15851.947888]  process_one_work+0x270/0x5a0
[15851.948042]  worker_thread+0x55/0x3c0
[15851.948185]  ? process_one_work+0x5a0/0x5a0
[15851.948332]  kthread+0x174/0x1a0
[15851.948462]  ? set_kthread_struct+0x40/0x40
[15851.948617]  ret_from_fork+0x1f/0x30
[15851.948761]  
[15851.948887] irq event stamp: 0
[15851.949018] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15851.949204] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15851.949454] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15851.949711] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15851.949907] ---[ end trace ae76d5b6842aa02d ]---
[15851.950113] ------------[ cut here ]------------
[15851.950270] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15851.950561] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15851.951965] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15851.952234] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15851.952490] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15851.952687] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15851.952876] 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 53 48 8b 05 58 b5 85 01 e8
[15851.953333] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15851.953500] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15851.953700] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15851.953910] RBP: 0000000000000000 R08: ffff9f4dee44ebe0 R09: 0000000000000000
[15851.954112] R10: ffff9f4dc7d65200 R11: 000000000003a560 R12: ffff9f4dd54bb770
[15851.954310] R13: ffff9f4ddd4e8960 R14: ffff9f4dee44eaf8 R15: ffff9f4dee44eba0
[15851.954511] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15851.954760] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15851.954945] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15851.955147] Call Trace:
[15851.955270]  
[15851.955386]  btrfs_run_delayed_refs+0x86/0x210
[15851.955543]  flush_space+0x3c8/0x5f0
[15851.955683]  ? rcu_read_lock_sched_held+0x12/0x60
[15851.955853]  ? lock_release+0x1f0/0x2d0
[15851.955998]  ? _raw_spin_unlock+0x29/0x40
[15851.956148]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15851.956323]  process_one_work+0x270/0x5a0
[15851.956476]  worker_thread+0x55/0x3c0
[15851.956632]  ? process_one_work+0x5a0/0x5a0
[15851.956812]  kthread+0x174/0x1a0
[15851.956950]  ? set_kthread_struct+0x40/0x40
[15851.957098]  ret_from_fork+0x1f/0x30
[15851.957238]  
[15851.957357] irq event stamp: 0
[15851.957511] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15851.957693] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15851.957973] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15851.958273] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15851.958462] ---[ end trace ae76d5b6842aa02e ]---
[15851.958730] ------------[ cut here ]------------
[15851.958959] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15851.959270] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15851.960926] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15851.961223] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15851.961527] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15851.961742] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15851.961938] 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 53 48 8b 05 58 b5 85 01 e8
[15851.968440] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15851.968628] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15851.968839] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15851.969040] RBP: 0000000000000000 R08: ffff9f4dd5830358 R09: 0000000000000000
[15851.969236] R10: ffff9f4e3ffd3000 R11: 000000000003a560 R12: ffff9f4dc7c8f9a0
[15851.969476] R13: ffff9f4ddd4e8960 R14: ffff9f4dd5830270 R15: ffff9f4dd5830318
[15851.969676] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15851.969968] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15851.970142] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15851.970343] Call Trace:
[15851.970465]  
[15851.970593]  btrfs_run_delayed_refs+0x86/0x210
[15851.970750]  flush_space+0x3c8/0x5f0
[15851.970906]  ? rcu_read_lock_sched_held+0x12/0x60
[15851.971069]  ? lock_release+0x1f0/0x2d0
[15851.971214]  ? _raw_spin_unlock+0x29/0x40
[15851.971362]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15851.972287]  process_one_work+0x270/0x5a0
[15851.972447]  worker_thread+0x55/0x3c0
[15851.972598]  ? process_one_work+0x5a0/0x5a0
[15851.972748]  kthread+0x174/0x1a0
[15851.972897]  ? set_kthread_struct+0x40/0x40
[15851.973047]  ret_from_fork+0x1f/0x30
[15851.973189]  
[15851.973325] irq event stamp: 0
[15851.973498] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15851.973687] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15851.973965] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15851.974377] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15851.974959] ---[ end trace ae76d5b6842aa02f ]---
[15851.975228] ------------[ cut here ]------------
[15851.975494] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15851.976028] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15851.977829] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15851.978315] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15851.978739] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15851.979022] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15851.979278] 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 53 48 8b 05 58 b5 85 01 e8
[15851.979977] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15851.980260] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15851.980592] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15851.980849] RBP: 0000000000000000 R08: ffff9f4dd1596d18 R09: 0000000000000000
[15851.981138] R10: ffff9f4dd5830200 R11: 0000000000000001 R12: ffff9f4df1dd5310
[15851.981411] R13: ffff9f4ddd4e8960 R14: ffff9f4dd1596c30 R15: ffff9f4dd1596cd8
[15851.981714] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15851.982047] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15851.982371] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15851.982656] Call Trace:
[15851.982849]  
[15851.983054]  btrfs_run_delayed_refs+0x86/0x210
[15851.983356]  flush_space+0x3c8/0x5f0
[15851.983583]  ? rcu_read_lock_sched_held+0x12/0x60
[15851.983844]  ? lock_release+0x1f0/0x2d0
[15851.984074]  ? _raw_spin_unlock+0x29/0x40
[15851.984315]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15851.984570]  process_one_work+0x270/0x5a0
[15851.984815]  worker_thread+0x55/0x3c0
[15851.985021]  ? process_one_work+0x5a0/0x5a0
[15851.985189]  kthread+0x174/0x1a0
[15851.985333]  ? set_kthread_struct+0x40/0x40
[15851.985512]  ret_from_fork+0x1f/0x30
[15851.985693]  
[15851.985824] irq event stamp: 0
[15851.985963] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15851.986159] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15851.986428] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15851.986743] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15851.987023] ---[ end trace ae76d5b6842aa030 ]---
[15851.987270] ------------[ cut here ]------------
[15851.987505] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15851.987895] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15851.989642] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15851.990034] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15851.990393] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15851.990668] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15851.990955] 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 53 48 8b 05 58 b5 85 01 e8
[15851.991496] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15851.991686] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15851.991946] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15851.992206] RBP: 0000000000000000 R08: ffff9f4dede47838 R09: 0000000000000000
[15851.992405] R10: ffff9f4dd1596c00 R11: 0000000000000001 R12: ffff9f4df66a3460
[15851.992624] R13: ffff9f4ddd4e8960 R14: ffff9f4dede47750 R15: ffff9f4dede477f8
[15851.992840] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15851.993103] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15851.993286] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15851.993498] Call Trace:
[15851.993622]  
[15851.993749]  btrfs_run_delayed_refs+0x86/0x210
[15851.993923]  flush_space+0x3c8/0x5f0
[15851.994075]  ? rcu_read_lock_sched_held+0x12/0x60
[15851.994279]  ? lock_release+0x1f0/0x2d0
[15851.994433]  ? _raw_spin_unlock+0x29/0x40
[15851.994585]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15851.994769]  process_one_work+0x270/0x5a0
[15851.994932]  worker_thread+0x55/0x3c0
[15851.995075]  ? process_one_work+0x5a0/0x5a0
[15851.995223]  kthread+0x174/0x1a0
[15851.995356]  ? set_kthread_struct+0x40/0x40
[15851.995510]  ret_from_fork+0x1f/0x30
[15851.995650]  
[15851.995766] irq event stamp: 0
[15851.995908] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15851.996091] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15851.996339] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15851.996597] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15851.996777] ---[ end trace ae76d5b6842aa031 ]---
[15851.996982] ------------[ cut here ]------------
[15851.997141] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15851.997423] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15851.998849] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15851.999111] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15851.999372] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15851.999565] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15851.999735] 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 53 48 8b 05 58 b5 85 01 e8
[15852.000207] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.000375] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.000577] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.000773] RBP: 0000000000000000 R08: ffff9f4dd1b210e8 R09: 0000000000000000
[15852.000979] R10: ffff9f4dede47700 R11: 0000000000000001 R12: ffff9f4e2d38aa10
[15852.001173] R13: ffff9f4ddd4e8960 R14: ffff9f4dd1b21000 R15: ffff9f4dd1b210a8
[15852.001368] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.002306] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.002491] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.002689] Call Trace:
[15852.002824]  
[15852.002941]  btrfs_run_delayed_refs+0x86/0x210
[15852.003099]  flush_space+0x3c8/0x5f0
[15852.003238]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.003395]  ? lock_release+0x1f0/0x2d0
[15852.003545]  ? _raw_spin_unlock+0x29/0x40
[15852.009384]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.009570]  process_one_work+0x270/0x5a0
[15852.009722]  worker_thread+0x55/0x3c0
[15852.009877]  ? process_one_work+0x5a0/0x5a0
[15852.010029]  kthread+0x174/0x1a0
[15852.010162]  ? set_kthread_struct+0x40/0x40
[15852.010315]  ret_from_fork+0x1f/0x30
[15852.010455]  
[15852.010573] irq event stamp: 0
[15852.010704] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.010898] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.011152] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.011408] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.011592] ---[ end trace ae76d5b6842aa032 ]---
[15852.011838] ------------[ cut here ]------------
[15852.011997] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.012283] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.013699] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.013968] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.014230] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.014420] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.014594] 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 53 48 8b 05 58 b5 85 01 e8
[15852.015078] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.015248] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.015447] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.015653] RBP: 0000000000000000 R08: ffff9f4e2d38dd18 R09: 0000000000000000
[15852.015862] R10: ffff9f4e3ffd3000 R11: 000000000003a560 R12: ffff9f4e2d236230
[15852.016061] R13: ffff9f4ddd4e8960 R14: ffff9f4e2d38dc30 R15: ffff9f4e2d38dcd8
[15852.016255] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.016506] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.016687] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.016900] Call Trace:
[15852.017025]  
[15852.017159]  btrfs_run_delayed_refs+0x86/0x210
[15852.017317]  flush_space+0x3c8/0x5f0
[15852.017459]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.017622]  ? lock_release+0x1f0/0x2d0
[15852.017767]  ? _raw_spin_unlock+0x29/0x40
[15852.017930]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.018106]  process_one_work+0x270/0x5a0
[15852.018252]  worker_thread+0x55/0x3c0
[15852.018392]  ? process_one_work+0x5a0/0x5a0
[15852.018548]  kthread+0x174/0x1a0
[15852.018684]  ? set_kthread_struct+0x40/0x40
[15852.018845]  ret_from_fork+0x1f/0x30
[15852.018990]  
[15852.019107] irq event stamp: 0
[15852.019234] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.019441] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.019717] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.020008] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.020260] ---[ end trace ae76d5b6842aa033 ]---
[15852.020485] ------------[ cut here ]------------
[15852.020660] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.020986] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.022564] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.022872] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.023170] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.023376] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.023565] 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 53 48 8b 05 58 b5 85 01 e8
[15852.024080] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.024245] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.024439] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.024640] RBP: 0000000000000000 R08: ffff9f4dede45e50 R09: 0000000000000000
[15852.024843] R10: ffff9f4e2d38dc00 R11: 0000000000000001 R12: ffff9f4e2d38a700
[15852.025040] R13: ffff9f4ddd4e8960 R14: ffff9f4dede45d68 R15: ffff9f4dede45e10
[15852.025237] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.025495] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.025664] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.025874] Call Trace:
[15852.025994]  
[15852.026114]  btrfs_run_delayed_refs+0x86/0x210
[15852.026269]  flush_space+0x3c8/0x5f0
[15852.026408]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.026582]  ? lock_release+0x1f0/0x2d0
[15852.026728]  ? _raw_spin_unlock+0x29/0x40
[15852.026888]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.027062]  process_one_work+0x270/0x5a0
[15852.027212]  worker_thread+0x55/0x3c0
[15852.027354]  ? process_one_work+0x5a0/0x5a0
[15852.027508]  kthread+0x174/0x1a0
[15852.027642]  ? set_kthread_struct+0x40/0x40
[15852.027794]  ret_from_fork+0x1f/0x30
[15852.027948]  
[15852.028063] irq event stamp: 0
[15852.028195] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.028376] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.028628] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.028897] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.029081] ---[ end trace ae76d5b6842aa034 ]---
[15852.029310] ------------[ cut here ]------------
[15852.029473] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.029759] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.031159] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.031422] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.032416] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.032642] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.032827] 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 53 48 8b 05 58 b5 85 01 e8
[15852.033287] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.033455] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.033657] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.033866] RBP: 0000000000000000 R08: ffff9f4e168ca220 R09: 0000000000000000
[15852.034066] R10: ffff9f4e3ffd3000 R11: 000000000003a560 R12: ffff9f4dc7d669a0
[15852.034264] R13: ffff9f4ddd4e8960 R14: ffff9f4e168ca138 R15: ffff9f4e168ca1e0
[15852.034463] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.034713] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.034933] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.035158] Call Trace:
[15852.035301]  
[15852.035454]  btrfs_run_delayed_refs+0x86/0x210
[15852.035655]  flush_space+0x3c8/0x5f0
[15852.035846]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.036007]  ? lock_release+0x1f0/0x2d0
[15852.036150]  ? _raw_spin_unlock+0x29/0x40
[15852.036300]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.036550]  process_one_work+0x270/0x5a0
[15852.036696]  worker_thread+0x55/0x3c0
[15852.036849]  ? process_one_work+0x5a0/0x5a0
[15852.037007]  kthread+0x174/0x1a0
[15852.037142]  ? set_kthread_struct+0x40/0x40
[15852.037292]  ret_from_fork+0x1f/0x30
[15852.037431]  
[15852.037552] irq event stamp: 0
[15852.037680] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.037878] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.038136] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.038387] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.038621] ---[ end trace ae76d5b6842aa035 ]---
[15852.038931] ------------[ cut here ]------------
[15852.039087] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.045126] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.046604] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.046881] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.047140] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.047334] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.047511] 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 53 48 8b 05 58 b5 85 01 e8
[15852.047982] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.048149] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.048347] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.048550] RBP: 0000000000000000 R08: ffff9f4e15cccbe0 R09: 0000000000000000
[15852.048746] R10: ffff9f4e3ffd3000 R11: 000000000003a560 R12: ffff9f4e15ccd620
[15852.048956] R13: ffff9f4ddd4e8960 R14: ffff9f4e15cccaf8 R15: ffff9f4e15cccba0
[15852.049157] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.049412] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.049588] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.049789] Call Trace:
[15852.049923]  
[15852.050041]  btrfs_run_delayed_refs+0x86/0x210
[15852.050197]  flush_space+0x3c8/0x5f0
[15852.050339]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.050525]  ? lock_release+0x1f0/0x2d0
[15852.050690]  ? _raw_spin_unlock+0x29/0x40
[15852.050854]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.051030]  process_one_work+0x270/0x5a0
[15852.051182]  worker_thread+0x55/0x3c0
[15852.051322]  ? process_one_work+0x5a0/0x5a0
[15852.051477]  kthread+0x174/0x1a0
[15852.051654]  ? set_kthread_struct+0x40/0x40
[15852.051835]  ret_from_fork+0x1f/0x30
[15852.052039]  
[15852.052156] irq event stamp: 0
[15852.052283] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.052465] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.052769] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.053028] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.053214] ---[ end trace ae76d5b6842aa036 ]---
[15852.053410] ------------[ cut here ]------------
[15852.053575] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.053865] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.055316] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.055580] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.055858] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.056049] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.056222] 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 53 48 8b 05 58 b5 85 01 e8
[15852.056733] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.056910] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.057107] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.057299] RBP: 0000000000000000 R08: ffff9f4df775d0e8 R09: 0000000000000000
[15852.057498] R10: ffff9f4e15ccca00 R11: 0000000000000001 R12: ffff9f4df1dd5e00
[15852.057694] R13: ffff9f4ddd4e8960 R14: ffff9f4df775d000 R15: ffff9f4df775d0a8
[15852.057903] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.058150] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.058348] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.058613] Call Trace:
[15852.058734]  
[15852.058866]  btrfs_run_delayed_refs+0x86/0x210
[15852.059027]  flush_space+0x3c8/0x5f0
[15852.059165]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.059321]  ? lock_release+0x1f0/0x2d0
[15852.059472]  ? _raw_spin_unlock+0x29/0x40
[15852.059624]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.059794]  process_one_work+0x270/0x5a0
[15852.059951]  worker_thread+0x55/0x3c0
[15852.060094]  ? process_one_work+0x5a0/0x5a0
[15852.060248]  kthread+0x174/0x1a0
[15852.060379]  ? set_kthread_struct+0x40/0x40
[15852.060535]  ret_from_fork+0x1f/0x30
[15852.060679]  
[15852.060792] irq event stamp: 0
[15852.060934] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.061122] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.061373] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.062744] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.062965] ---[ end trace ae76d5b6842aa037 ]---
[15852.063178] ------------[ cut here ]------------
[15852.063388] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.063752] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.065318] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.065610] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.065933] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.066135] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.066314] 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 53 48 8b 05 58 b5 85 01 e8
[15852.066858] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.067065] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.067288] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.067516] RBP: 0000000000000000 R08: ffff9f4dd1b74838 R09: 0000000000000000
[15852.067735] R10: ffff9f4e3ffd3000 R11: 000000000003a560 R12: ffff9f4dd11210e0
[15852.067971] R13: ffff9f4ddd4e8960 R14: ffff9f4dd1b74750 R15: ffff9f4dd1b747f8
[15852.068280] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.068570] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.068815] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.069068] Call Trace:
[15852.069198]  
[15852.069326]  btrfs_run_delayed_refs+0x86/0x210
[15852.069586]  flush_space+0x3c8/0x5f0
[15852.069747]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.069938]  ? lock_release+0x1f0/0x2d0
[15852.070187]  ? _raw_spin_unlock+0x29/0x40
[15852.070374]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.070598]  process_one_work+0x270/0x5a0
[15852.070788]  worker_thread+0x55/0x3c0
[15852.070990]  ? process_one_work+0x5a0/0x5a0
[15852.071199]  kthread+0x174/0x1a0
[15852.071374]  ? set_kthread_struct+0x40/0x40
[15852.071580]  ret_from_fork+0x1f/0x30
[15852.071724]  
[15852.071873] irq event stamp: 0
[15852.072055] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.072278] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.072564] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.072877] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.073143] ---[ end trace ae76d5b6842aa038 ]---
[15852.073354] ------------[ cut here ]------------
[15852.073530] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.073858] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.075438] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.075732] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.076027] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.076254] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.076435] 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 53 48 8b 05 58 b5 85 01 e8
[15852.083009] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.083238] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.083476] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.083682] RBP: 0000000000000000 R08: ffff9f4e2d38bd18 R09: 0000000000000000
[15852.083914] R10: ffff9f4e3ffd3000 R11: 000000000003a560 R12: ffff9f4e2d274d20
[15852.084180] R13: ffff9f4ddd4e8960 R14: ffff9f4e2d38bc30 R15: ffff9f4e2d38bcd8
[15852.084393] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.084665] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.084862] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.085138] Call Trace:
[15852.085267]  
[15852.085396]  btrfs_run_delayed_refs+0x86/0x210
[15852.085565]  flush_space+0x3c8/0x5f0
[15852.085713]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.085905]  ? lock_release+0x1f0/0x2d0
[15852.086109]  ? _raw_spin_unlock+0x29/0x40
[15852.086290]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.086477]  process_one_work+0x270/0x5a0
[15852.086635]  worker_thread+0x55/0x3c0
[15852.086783]  ? process_one_work+0x5a0/0x5a0
[15852.086957]  kthread+0x174/0x1a0
[15852.087153]  ? set_kthread_struct+0x40/0x40
[15852.087343]  ret_from_fork+0x1f/0x30
[15852.087499]  
[15852.087620] irq event stamp: 0
[15852.087761] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.087978] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.088329] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.088597] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.088785] ---[ end trace ae76d5b6842aa039 ]---
[15852.089083] ------------[ cut here ]------------
[15852.089285] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.089592] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.091080] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.091407] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.091684] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.091911] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.092134] 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 53 48 8b 05 58 b5 85 01 e8
[15852.093265] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.093504] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.093718] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.093951] RBP: 0000000000000000 R08: ffff9f4dede44490 R09: 0000000000000000
[15852.094164] R10: ffff9f4e2d38bc00 R11: 000000000003a560 R12: ffff9f4dd59f02a0
[15852.094370] R13: ffff9f4ddd4e8960 R14: ffff9f4dede443a8 R15: ffff9f4dede44450
[15852.094587] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.094861] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.095051] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.095258] Call Trace:
[15852.095417]  
[15852.095596]  btrfs_run_delayed_refs+0x86/0x210
[15852.095831]  flush_space+0x3c8/0x5f0
[15852.096007]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.096188]  ? lock_release+0x1f0/0x2d0
[15852.096442]  ? _raw_spin_unlock+0x29/0x40
[15852.096767]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.097047]  process_one_work+0x270/0x5a0
[15852.097283]  worker_thread+0x55/0x3c0
[15852.097520]  ? process_one_work+0x5a0/0x5a0
[15852.097770]  kthread+0x174/0x1a0
[15852.098010]  ? set_kthread_struct+0x40/0x40
[15852.098273]  ret_from_fork+0x1f/0x30
[15852.098493]  
[15852.098703] irq event stamp: 0
[15852.098953] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.099224] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.099636] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.099978] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.100256] ---[ end trace ae76d5b6842aa03a ]---
[15852.100531] ------------[ cut here ]------------
[15852.100770] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.101184] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.102962] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.103307] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.103671] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.103966] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.104235] 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 53 48 8b 05 58 b5 85 01 e8
[15852.104910] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.105202] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.105494] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.105773] RBP: 0000000000000000 R08: ffff9f4e15e4ed18 R09: 0000000000000000
[15852.106055] R10: ffff9f4e3ffd3000 R11: 000000000003a560 R12: ffff9f4e2d38a850
[15852.106410] R13: ffff9f4ddd4e8960 R14: ffff9f4e15e4ec30 R15: ffff9f4e15e4ecd8
[15852.106704] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.107045] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.107310] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.107558] Call Trace:
[15852.107684]  
[15852.107822]  btrfs_run_delayed_refs+0x86/0x210
[15852.107991]  flush_space+0x3c8/0x5f0
[15852.108132]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.108296]  ? lock_release+0x1f0/0x2d0
[15852.108446]  ? _raw_spin_unlock+0x29/0x40
[15852.108607]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.108789]  process_one_work+0x270/0x5a0
[15852.108995]  worker_thread+0x55/0x3c0
[15852.109211]  ? process_one_work+0x5a0/0x5a0
[15852.109452]  kthread+0x174/0x1a0
[15852.109671]  ? set_kthread_struct+0x40/0x40
[15852.109904]  ret_from_fork+0x1f/0x30
[15852.110147]  
[15852.110306] irq event stamp: 0
[15852.110524] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.110812] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.111128] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.111434] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.111630] ---[ end trace ae76d5b6842aa03b ]---
[15852.111842] ------------[ cut here ]------------
[15852.112066] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.112488] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.114176] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.114541] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.114907] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.115179] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.115388] 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 53 48 8b 05 58 b5 85 01 e8
[15852.115867] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.116036] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.116232] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.116430] RBP: 0000000000000000 R08: ffff9f4dd1386e50 R09: 0000000000000000
[15852.116630] R10: ffff9f4e3ffd3000 R11: 000000000003a560 R12: ffff9f4df66a34d0
[15852.116839] R13: ffff9f4ddd4e8960 R14: ffff9f4dd1386d68 R15: ffff9f4dd1386e10
[15852.117037] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.117283] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.117457] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.117660] Call Trace:
[15852.117780]  
[15852.117908]  btrfs_run_delayed_refs+0x86/0x210
[15852.118068]  flush_space+0x3c8/0x5f0
[15852.118209]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.118366]  ? lock_release+0x1f0/0x2d0
[15852.118512]  ? _raw_spin_unlock+0x29/0x40
[15852.125282]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.125532]  process_one_work+0x270/0x5a0
[15852.125691]  worker_thread+0x55/0x3c0
[15852.125857]  ? process_one_work+0x5a0/0x5a0
[15852.126011]  kthread+0x174/0x1a0
[15852.126147]  ? set_kthread_struct+0x40/0x40
[15852.126300]  ret_from_fork+0x1f/0x30
[15852.126449]  
[15852.126573] irq event stamp: 0
[15852.126708] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.126914] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.127174] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.127442] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.127633] ---[ end trace ae76d5b6842aa03c ]---
[15852.127856] ------------[ cut here ]------------
[15852.128039] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.128360] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.129860] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.130141] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.130410] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.130615] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.130794] 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 53 48 8b 05 58 b5 85 01 e8
[15852.131282] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.131450] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.131661] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.131879] RBP: 0000000000000000 R08: ffff9f4dc7c8dd18 R09: 0000000000000000
[15852.132086] R10: ffff9f4e3ffd3000 R11: 000000000003a560 R12: ffff9f4dc7d66070
[15852.132307] R13: ffff9f4ddd4e8960 R14: ffff9f4dc7c8dc30 R15: ffff9f4dc7c8dcd8
[15852.132511] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.132759] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.132948] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.133149] Call Trace:
[15852.133273]  
[15852.133390]  btrfs_run_delayed_refs+0x86/0x210
[15852.133584]  flush_space+0x3c8/0x5f0
[15852.133728]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.133901]  ? lock_release+0x1f0/0x2d0
[15852.134069]  ? _raw_spin_unlock+0x29/0x40
[15852.134220]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.134396]  process_one_work+0x270/0x5a0
[15852.134559]  worker_thread+0x55/0x3c0
[15852.134707]  ? process_one_work+0x5a0/0x5a0
[15852.134871]  kthread+0x174/0x1a0
[15852.135020]  ? set_kthread_struct+0x40/0x40
[15852.135184]  ret_from_fork+0x1f/0x30
[15852.135326]  
[15852.135444] irq event stamp: 0
[15852.135601] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.135817] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.136095] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.136357] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.136568] ---[ end trace ae76d5b6842aa03d ]---
[15852.136777] ------------[ cut here ]------------
[15852.136955] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.137267] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.138829] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.139153] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.139475] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.139691] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.139902] 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 53 48 8b 05 58 b5 85 01 e8
[15852.140437] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.140633] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.140869] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.141087] RBP: 0000000000000000 R08: ffff9f4dd1597220 R09: 0000000000000000
[15852.141310] R10: ffff9f4dc7c8dc00 R11: 0000000000000001 R12: ffff9f4e2d232540
[15852.141538] R13: ffff9f4ddd4e8960 R14: ffff9f4dd1597138 R15: ffff9f4dd15971e0
[15852.141755] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.142056] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.142263] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.142487] Call Trace:
[15852.142623]  
[15852.142762]  btrfs_run_delayed_refs+0x86/0x210
[15852.142958]  flush_space+0x3c8/0x5f0
[15852.143113]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.143295]  ? lock_release+0x1f0/0x2d0
[15852.143461]  ? _raw_spin_unlock+0x29/0x40
[15852.143635]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.143840]  process_one_work+0x270/0x5a0
[15852.144011]  worker_thread+0x55/0x3c0
[15852.144175]  ? process_one_work+0x5a0/0x5a0
[15852.144348]  kthread+0x174/0x1a0
[15852.144500]  ? set_kthread_struct+0x40/0x40
[15852.144676]  ret_from_fork+0x1f/0x30
[15852.144855]  
[15852.144988] irq event stamp: 0
[15852.145137] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.145371] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.145687] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.145965] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.146163] ---[ end trace ae76d5b6842aa03e ]---
[15852.146411] ------------[ cut here ]------------
[15852.146586] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.146905] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.148437] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.148726] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.149015] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.149221] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.149405] 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 53 48 8b 05 58 b5 85 01 e8
[15852.149913] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.150089] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.150303] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.150524] RBP: 0000000000000000 R08: ffff9f4df1dd7970 R09: 0000000000000000
[15852.150731] R10: ffff9f4e3ffd3000 R11: 000000000003a560 R12: ffff9f4e2d38a620
[15852.150957] R13: ffff9f4ddd4e8960 R14: ffff9f4df1dd7888 R15: ffff9f4df1dd7930
[15852.151171] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.151441] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.151630] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.151858] Call Trace:
[15852.151990]  
[15852.152116]  btrfs_run_delayed_refs+0x86/0x210
[15852.152279]  flush_space+0x3c8/0x5f0
[15852.152433]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.153253]  ? lock_release+0x1f0/0x2d0
[15852.153410]  ? _raw_spin_unlock+0x29/0x40
[15852.153576]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.153765]  process_one_work+0x270/0x5a0
[15852.153943]  worker_thread+0x55/0x3c0
[15852.154091]  ? process_one_work+0x5a0/0x5a0
[15852.154254]  kthread+0x174/0x1a0
[15852.154400]  ? set_kthread_struct+0x40/0x40
[15852.154558]  ret_from_fork+0x1f/0x30
[15852.154710]  
[15852.154849] irq event stamp: 0
[15852.154990] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.155171] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.155490] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.155757] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.155955] ---[ end trace ae76d5b6842aa03f ]---
[15852.156152] ------------[ cut here ]------------
[15852.156313] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.162328] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.163760] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.164041] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.164297] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.164501] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.164681] 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 53 48 8b 05 58 b5 85 01 e8
[15852.165156] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.165324] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.165524] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.165723] RBP: 0000000000000000 R08: ffff9f4e2d38d220 R09: 0000000000000000
[15852.165936] R10: ffff9f4e3ffd3000 R11: 000000000003a560 R12: ffff9f4dd59f0af0
[15852.166148] R13: ffff9f4ddd4e8960 R14: ffff9f4e2d38d138 R15: ffff9f4e2d38d1e0
[15852.166347] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.166615] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.166788] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.167000] Call Trace:
[15852.167124]  
[15852.167245]  btrfs_run_delayed_refs+0x86/0x210
[15852.167398]  flush_space+0x3c8/0x5f0
[15852.167546]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.167707]  ? lock_release+0x1f0/0x2d0
[15852.167872]  ? _raw_spin_unlock+0x29/0x40
[15852.168024]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.168201]  process_one_work+0x270/0x5a0
[15852.168352]  worker_thread+0x55/0x3c0
[15852.168496]  ? process_one_work+0x5a0/0x5a0
[15852.168645]  kthread+0x174/0x1a0
[15852.168782]  ? set_kthread_struct+0x40/0x40
[15852.168952]  ret_from_fork+0x1f/0x30
[15852.169097]  
[15852.169215] irq event stamp: 0
[15852.169347] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.169536] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.169785] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.170057] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.170241] ---[ end trace ae76d5b6842aa040 ]---
[15852.170440] ------------[ cut here ]------------
[15852.170608] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.170902] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.172320] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.172583] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.172855] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.173049] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.173219] 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 53 48 8b 05 58 b5 85 01 e8
[15852.173682] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.173864] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.174062] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.174258] RBP: 0000000000000000 R08: ffff9f4e15ccae50 R09: 0000000000000000
[15852.174451] R10: ffff9f4e3ffd3000 R11: 000000000003a560 R12: ffff9f4dc7d662a0
[15852.174652] R13: ffff9f4ddd4e8960 R14: ffff9f4e15ccad68 R15: ffff9f4e15ccae10
[15852.174860] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.175115] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.175290] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.175494] Call Trace:
[15852.175614]  
[15852.175731]  btrfs_run_delayed_refs+0x86/0x210
[15852.175903]  flush_space+0x3c8/0x5f0
[15852.176042]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.176202]  ? lock_release+0x1f0/0x2d0
[15852.176347]  ? _raw_spin_unlock+0x29/0x40
[15852.176503]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.176676]  process_one_work+0x270/0x5a0
[15852.176835]  worker_thread+0x55/0x3c0
[15852.176978]  ? process_one_work+0x5a0/0x5a0
[15852.177128]  kthread+0x174/0x1a0
[15852.177261]  ? set_kthread_struct+0x40/0x40
[15852.177407]  ret_from_fork+0x1f/0x30
[15852.177556]  
[15852.177671] irq event stamp: 0
[15852.177812] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.177998] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.178255] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.178511] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.178697] ---[ end trace ae76d5b6842aa041 ]---
[15852.178896] ------------[ cut here ]------------
[15852.179054] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.179379] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.180845] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.181127] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.181397] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.181638] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.181826] 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 53 48 8b 05 58 b5 85 01 e8
[15852.182320] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.183273] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.183480] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.183687] RBP: 0000000000000000 R08: ffff9f4e15cca838 R09: 0000000000000000
[15852.183917] R10: ffff9f4e15ccad00 R11: 0000000000000002 R12: ffff9f4dc7d66c40
[15852.184118] R13: ffff9f4ddd4e8960 R14: ffff9f4e15cca750 R15: ffff9f4e15cca7f8
[15852.184335] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.184613] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.184809] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.185008] Call Trace:
[15852.185128]  
[15852.185249]  btrfs_run_delayed_refs+0x86/0x210
[15852.185431]  flush_space+0x3c8/0x5f0
[15852.185611]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.185777]  ? lock_release+0x1f0/0x2d0
[15852.185948]  ? _raw_spin_unlock+0x29/0x40
[15852.186121]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.186302]  process_one_work+0x270/0x5a0
[15852.186474]  worker_thread+0x55/0x3c0
[15852.186638]  ? process_one_work+0x5a0/0x5a0
[15852.186847]  kthread+0x174/0x1a0
[15852.187018]  ? set_kthread_struct+0x40/0x40
[15852.187176]  ret_from_fork+0x1f/0x30
[15852.187341]  
[15852.187456] irq event stamp: 0
[15852.187605] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.187812] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.188085] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.188347] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.188541] ---[ end trace ae76d5b6842aa042 ]---
[15852.188741] ------------[ cut here ]------------
[15852.188928] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.189233] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.190734] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.191026] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.191296] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.191500] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.191680] 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 53 48 8b 05 58 b5 85 01 e8
[15852.198140] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.198314] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.198523] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.198727] RBP: 0000000000000000 R08: ffff9f4e15cca490 R09: 0000000000000000
[15852.198943] R10: ffff9f4e15cca700 R11: 0000000000000002 R12: ffff9f4dc7d66380
[15852.199148] R13: ffff9f4ddd4e8960 R14: ffff9f4e15cca3a8 R15: ffff9f4e15cca450
[15852.199359] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.199635] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.199832] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.200038] Call Trace:
[15852.200162]  
[15852.200286]  btrfs_run_delayed_refs+0x86/0x210
[15852.200449]  flush_space+0x3c8/0x5f0
[15852.200593]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.200767]  ? lock_release+0x1f0/0x2d0
[15852.200938]  ? _raw_spin_unlock+0x29/0x40
[15852.201095]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.201271]  process_one_work+0x270/0x5a0
[15852.201425]  worker_thread+0x55/0x3c0
[15852.201583]  ? process_one_work+0x5a0/0x5a0
[15852.201738]  kthread+0x174/0x1a0
[15852.201899]  ? set_kthread_struct+0x40/0x40
[15852.202065]  ret_from_fork+0x1f/0x30
[15852.202221]  
[15852.202355] irq event stamp: 0
[15852.202493] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.202698] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.202982] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.203279] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.203489] ---[ end trace ae76d5b6842aa043 ]---
[15852.203707] ------------[ cut here ]------------
[15852.203895] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.204223] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.205801] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.206092] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.206370] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.206602] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.206813] 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 53 48 8b 05 58 b5 85 01 e8
[15852.207331] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.207539] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.207772] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.208004] RBP: 0000000000000000 R08: ffff9f4df1de1848 R09: 0000000000000000
[15852.208236] R10: ffff9f4e15cca300 R11: 0000000000000002 R12: ffff9f4dc7c8f230
[15852.208455] R13: ffff9f4ddd4e8960 R14: ffff9f4df1de1750 R15: ffff9f4df1de17f8
[15852.208679] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.208956] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.209134] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.209359] Call Trace:
[15852.209494]  
[15852.209622]  btrfs_run_delayed_refs+0x86/0x210
[15852.209809]  flush_space+0x3c8/0x5f0
[15852.209955]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.210125]  ? lock_release+0x1f0/0x2d0
[15852.210279]  ? _raw_spin_unlock+0x29/0x40
[15852.210438]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.210630]  process_one_work+0x270/0x5a0
[15852.210784]  worker_thread+0x55/0x3c0
[15852.210956]  ? process_one_work+0x5a0/0x5a0
[15852.211117]  kthread+0x174/0x1a0
[15852.211271]  ? set_kthread_struct+0x40/0x40
[15852.211421]  ret_from_fork+0x1f/0x30
[15852.211572]  
[15852.211722] irq event stamp: 0
[15852.211865] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.212062] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.212345] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.213378] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.213599] ---[ end trace ae76d5b6842aa044 ]---
[15852.213839] ------------[ cut here ]------------
[15852.214027] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.214346] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.215975] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.216236] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.216587] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.216777] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.216970] 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 53 48 8b 05 58 b5 85 01 e8
[15852.217451] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.217668] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.217884] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.218088] RBP: 0000000000000000 R08: ffff9f4df1de1838 R09: 0000000000000000
[15852.218283] R10: ffff9f4dc7c8f200 R11: 00000000000039fb R12: ffff9f4df1de0000
[15852.218575] R13: ffff9f4ddd4e8960 R14: ffff9f4df1de1750 R15: ffff9f4df1de17f8
[15852.218778] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.219041] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.219224] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.219425] Call Trace:
[15852.219588]  
[15852.219708]  btrfs_run_delayed_refs+0x86/0x210
[15852.219889]  flush_space+0x3c8/0x5f0
[15852.220030]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.220199]  ? lock_release+0x1f0/0x2d0
[15852.220347]  ? _raw_spin_unlock+0x29/0x40
[15852.220525]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.220722]  process_one_work+0x270/0x5a0
[15852.220894]  worker_thread+0x55/0x3c0
[15852.221076]  ? process_one_work+0x5a0/0x5a0
[15852.221232]  kthread+0x174/0x1a0
[15852.221370]  ? set_kthread_struct+0x40/0x40
[15852.221575]  ret_from_fork+0x1f/0x30
[15852.221720]  
[15852.221845] irq event stamp: 0
[15852.221978] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.222171] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.222417] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.222729] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.222922] ---[ end trace ae76d5b6842aa045 ]---
[15852.223116] ------------[ cut here ]------------
[15852.223278] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.223618] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.225111] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.225474] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.225866] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.226261] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.226569] 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 53 48 8b 05 58 b5 85 01 e8
[15852.227309] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.227596] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.227973] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.228321] RBP: 0000000000000000 R08: ffff9f4dc7d65838 R09: 0000000000000000
[15852.228662] R10: ffff9f4df1de1700 R11: 0000000000000002 R12: ffff9f4e15ccd310
[15852.229025] R13: ffff9f4ddd4e8960 R14: ffff9f4dc7d65750 R15: ffff9f4dc7d657f8
[15852.229358] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.229792] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.230092] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.230425] Call Trace:
[15852.230626]  
[15852.230862]  btrfs_run_delayed_refs+0x86/0x210
[15852.231109]  flush_space+0x3c8/0x5f0
[15852.231379]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.231653]  ? lock_release+0x1f0/0x2d0
[15852.231916]  ? _raw_spin_unlock+0x29/0x40
[15852.244019]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.244287]  process_one_work+0x270/0x5a0
[15852.244510]  worker_thread+0x55/0x3c0
[15852.244720]  ? process_one_work+0x5a0/0x5a0
[15852.244959]  kthread+0x174/0x1a0
[15852.245183]  ? set_kthread_struct+0x40/0x40
[15852.245408]  ret_from_fork+0x1f/0x30
[15852.245633]  
[15852.245824] irq event stamp: 0
[15852.246015] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.246292] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.246679] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.247090] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.247389] ---[ end trace ae76d5b6842aa046 ]---
[15852.247677] ------------[ cut here ]------------
[15852.247953] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.248386] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.250438] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.250846] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.251226] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.251502] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.251744] 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 53 48 8b 05 58 b5 85 01 e8
[15852.252423] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.252666] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.252960] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.253250] RBP: 0000000000000000 R08: ffff9f4e15ccbd18 R09: 0000000000000000
[15852.253542] R10: ffff9f4e3ffd3000 R11: 000000000003a560 R12: ffff9f4df66a38c0
[15852.253850] R13: ffff9f4ddd4e8960 R14: ffff9f4e15ccbc30 R15: ffff9f4e15ccbcd8
[15852.254165] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.254549] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.254809] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.255079] Call Trace:
[15852.255247]  
[15852.255421]  btrfs_run_delayed_refs+0x86/0x210
[15852.255653]  flush_space+0x3c8/0x5f0
[15852.255875]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.256113]  ? lock_release+0x1f0/0x2d0
[15852.256323]  ? _raw_spin_unlock+0x29/0x40
[15852.256542]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.256817]  process_one_work+0x270/0x5a0
[15852.257039]  worker_thread+0x55/0x3c0
[15852.257245]  ? process_one_work+0x5a0/0x5a0
[15852.257464]  kthread+0x174/0x1a0
[15852.257666]  ? set_kthread_struct+0x40/0x40
[15852.257914]  ret_from_fork+0x1f/0x30
[15852.258121]  
[15852.258291] irq event stamp: 0
[15852.258483] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.258726] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.259114] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.259493] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.259757] ---[ end trace ae76d5b6842aa047 ]---
[15852.260049] ------------[ cut here ]------------
[15852.260281] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.260698] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.262678] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.262950] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.263212] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.263403] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.263580] 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 53 48 8b 05 58 b5 85 01 e8
[15852.264054] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.264226] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.264422] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.264643] RBP: 0000000000000000 R08: ffff9f4dc2a73358 R09: 0000000000000000
[15852.264860] R10: ffff9f4e15ccbc00 R11: 0000000000000002 R12: ffff9f4dd1595540
[15852.265064] R13: ffff9f4ddd4e8960 R14: ffff9f4dc2a73270 R15: ffff9f4dc2a73318
[15852.265264] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.265522] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.265704] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.265923] Call Trace:
[15852.266047]  
[15852.266167]  btrfs_run_delayed_refs+0x86/0x210
[15852.266331]  flush_space+0x3c8/0x5f0
[15852.266479]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.266644]  ? lock_release+0x1f0/0x2d0
[15852.266793]  ? _raw_spin_unlock+0x29/0x40
[15852.266962]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.267141]  process_one_work+0x270/0x5a0
[15852.267292]  worker_thread+0x55/0x3c0
[15852.267439]  ? process_one_work+0x5a0/0x5a0
[15852.267599]  kthread+0x174/0x1a0
[15852.267755]  ? set_kthread_struct+0x40/0x40
[15852.267917]  ret_from_fork+0x1f/0x30
[15852.268064]  
[15852.268179] irq event stamp: 0
[15852.268308] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.268557] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.268844] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.269111] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.269328] ---[ end trace ae76d5b6842aa048 ]---
[15852.269537] ------------[ cut here ]------------
[15852.269703] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.270020] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.271450] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.271720] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.271988] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.272183] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.272359] 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 53 48 8b 05 58 b5 85 01 e8
[15852.273606] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.273773] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.273981] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.274178] RBP: 0000000000000000 R08: ffff9f4dd1b77e50 R09: 0000000000000000
[15852.274377] R10: ffff9f4e3ffd3000 R11: 000000000003a560 R12: ffff9f4dc7d66700
[15852.274577] R13: ffff9f4ddd4e8960 R14: ffff9f4dd1b77d68 R15: ffff9f4dd1b77e10
[15852.274778] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.275042] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.275223] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.275425] Call Trace:
[15852.275558]  
[15852.275679]  btrfs_run_delayed_refs+0x86/0x210
[15852.275848]  flush_space+0x3c8/0x5f0
[15852.275992]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.276153]  ? lock_release+0x1f0/0x2d0
[15852.276297]  ? _raw_spin_unlock+0x29/0x40
[15852.276443]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.276624]  process_one_work+0x270/0x5a0
[15852.276775]  worker_thread+0x55/0x3c0
[15852.276926]  ? process_one_work+0x5a0/0x5a0
[15852.277077]  kthread+0x174/0x1a0
[15852.277213]  ? set_kthread_struct+0x40/0x40
[15852.277363]  ret_from_fork+0x1f/0x30
[15852.277506]  
[15852.277620] irq event stamp: 0
[15852.277752] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.277948] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.278200] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.278454] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.278639] ---[ end trace ae76d5b6842aa049 ]---
[15852.278839] ------------[ cut here ]------------
[15852.278999] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.284952] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.286396] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.286667] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.286933] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.287130] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.287304] 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 53 48 8b 05 58 b5 85 01 e8
[15852.287776] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.287953] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.288152] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.288351] RBP: 0000000000000000 R08: ffff9f4e15cc9f88 R09: 0000000000000000
[15852.288553] R10: ffff9f4e3ffd3000 R11: 000000000003a560 R12: ffff9f4dc7c8bbd0
[15852.288749] R13: ffff9f4ddd4e8960 R14: ffff9f4e15cc9ea0 R15: ffff9f4e15cc9f48
[15852.288961] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.289222] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.289397] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.289600] Call Trace:
[15852.289721]  
[15852.289854]  btrfs_run_delayed_refs+0x86/0x210
[15852.290027]  flush_space+0x3c8/0x5f0
[15852.290187]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.290351]  ? lock_release+0x1f0/0x2d0
[15852.290503]  ? _raw_spin_unlock+0x29/0x40
[15852.290649]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.290837]  process_one_work+0x270/0x5a0
[15852.290989]  worker_thread+0x55/0x3c0
[15852.291132]  ? process_one_work+0x5a0/0x5a0
[15852.291280]  kthread+0x174/0x1a0
[15852.291414]  ? set_kthread_struct+0x40/0x40
[15852.291568]  ret_from_fork+0x1f/0x30
[15852.291708]  
[15852.291835] irq event stamp: 0
[15852.291968] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.292150] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.292399] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.292661] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.292854] ---[ end trace ae76d5b6842aa04a ]---
[15852.293047] ------------[ cut here ]------------
[15852.293210] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.293504] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.294902] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.295164] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.295422] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.295618] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.295788] 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 53 48 8b 05 58 b5 85 01 e8
[15852.296259] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.296427] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.296629] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.296839] RBP: 0000000000000000 R08: ffff9f4e2d38b838 R09: 0000000000000000
[15852.297039] R10: ffff9f4e15cc9e00 R11: 000000000003a560 R12: ffff9f4e15e48230
[15852.297238] R13: ffff9f4ddd4e8960 R14: ffff9f4e2d38b750 R15: ffff9f4e2d38b7f8
[15852.297437] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.297687] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.297874] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.298075] Call Trace:
[15852.298197]  
[15852.298314]  btrfs_run_delayed_refs+0x86/0x210
[15852.298475]  flush_space+0x3c8/0x5f0
[15852.298616]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.298772]  ? lock_release+0x1f0/0x2d0
[15852.298928]  ? _raw_spin_unlock+0x29/0x40
[15852.299078]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.299252]  process_one_work+0x270/0x5a0
[15852.299400]  worker_thread+0x55/0x3c0
[15852.299545]  ? process_one_work+0x5a0/0x5a0
[15852.299695]  kthread+0x174/0x1a0
[15852.299843]  ? set_kthread_struct+0x40/0x40
[15852.299990]  ret_from_fork+0x1f/0x30
[15852.300134]  
[15852.300251] irq event stamp: 0
[15852.300380] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.300568] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.300836] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.301089] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.301272] ---[ end trace ae76d5b6842aa04b ]---
[15852.301511] ------------[ cut here ]------------
[15852.301668] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.301960] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.304119] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.304383] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.304646] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.304849] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.305026] 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 53 48 8b 05 58 b5 85 01 e8
[15852.305506] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.305675] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.305886] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.306085] RBP: 0000000000000000 R08: ffff9f4e15cc9970 R09: 0000000000000000
[15852.306282] R10: ffff9f4e2d38b700 R11: ffff9f4e04a3f608 R12: ffff9f4e2d232a10
[15852.306482] R13: ffff9f4ddd4e8960 R14: ffff9f4e15cc9888 R15: ffff9f4e15cc9930
[15852.306678] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.306945] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.307121] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.307320] Call Trace:
[15852.307440]  
[15852.307565]  btrfs_run_delayed_refs+0x86/0x210
[15852.307722]  flush_space+0x3c8/0x5f0
[15852.307874]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.308038]  ? lock_release+0x1f0/0x2d0
[15852.308187]  ? _raw_spin_unlock+0x29/0x40
[15852.308336]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.308511]  process_one_work+0x270/0x5a0
[15852.308662]  worker_thread+0x55/0x3c0
[15852.308819]  ? process_one_work+0x5a0/0x5a0
[15852.308970]  kthread+0x174/0x1a0
[15852.309102]  ? set_kthread_struct+0x40/0x40
[15852.309255]  ret_from_fork+0x1f/0x30
[15852.309399]  
[15852.309516] irq event stamp: 0
[15852.309647] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.309841] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.310098] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.310353] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.310537] ---[ end trace ae76d5b6842aa04c ]---
[15852.310730] ------------[ cut here ]------------
[15852.310903] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.311193] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.312616] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.312896] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.313155] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.313350] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.313528] 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 53 48 8b 05 58 b5 85 01 e8
[15852.319770] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.319953] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.320152] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.320347] RBP: 0000000000000000 R08: ffff9f4e15cce220 R09: 0000000000000000
[15852.320548] R10: ffff9f4e15cc9800 R11: 000000000003a560 R12: ffff9f4e168cbb60
[15852.320743] R13: ffff9f4ddd4e8960 R14: ffff9f4e15cce138 R15: ffff9f4e15cce1e0
[15852.320950] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.321197] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.321373] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.321574] Call Trace:
[15852.321693]  
[15852.321824]  btrfs_run_delayed_refs+0x86/0x210
[15852.321986]  flush_space+0x3c8/0x5f0
[15852.322127]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.322284]  ? lock_release+0x1f0/0x2d0
[15852.322432]  ? _raw_spin_unlock+0x29/0x40
[15852.322587]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.322756]  process_one_work+0x270/0x5a0
[15852.322916]  worker_thread+0x55/0x3c0
[15852.323063]  ? process_one_work+0x5a0/0x5a0
[15852.323213]  kthread+0x174/0x1a0
[15852.323346]  ? set_kthread_struct+0x40/0x40
[15852.323500]  ret_from_fork+0x1f/0x30
[15852.323645]  
[15852.323760] irq event stamp: 0
[15852.323904] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.324092] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.324347] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.324606] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.324787] ---[ end trace ae76d5b6842aa04d ]---
[15852.324992] ------------[ cut here ]------------
[15852.325151] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.325437] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.326835] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.327104] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.327359] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.327559] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.327733] 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 53 48 8b 05 58 b5 85 01 e8
[15852.328209] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.328378] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.328581] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.328780] RBP: 0000000000000000 R08: ffff9f4df1de14a0 R09: 0000000000000000
[15852.328989] R10: ffff9f4e3ffd3000 R11: 000000000003a560 R12: ffff9f4dc7c8f770
[15852.329190] R13: ffff9f4ddd4e8960 R14: ffff9f4df1de13a8 R15: ffff9f4df1de1450
[15852.329386] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.329644] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.329826] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.330029] Call Trace:
[15852.330151]  
[15852.330272]  btrfs_run_delayed_refs+0x86/0x210
[15852.330425]  flush_space+0x3c8/0x5f0
[15852.330570]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.330731]  ? lock_release+0x1f0/0x2d0
[15852.330886]  ? _raw_spin_unlock+0x29/0x40
[15852.331037]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.331212]  process_one_work+0x270/0x5a0
[15852.331362]  worker_thread+0x55/0x3c0
[15852.331505]  ? process_one_work+0x5a0/0x5a0
[15852.331655]  kthread+0x174/0x1a0
[15852.331791]  ? set_kthread_struct+0x40/0x40
[15852.331954]  ret_from_fork+0x1f/0x30
[15852.332099]  
[15852.332217] irq event stamp: 0
[15852.332344] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.333272] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.333542] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.333806] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.333993] ---[ end trace ae76d5b6842aa04e ]---
[15852.334185] ------------[ cut here ]------------
[15852.334345] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.334629] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.336054] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.336316] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.336584] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.336776] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.336961] 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 53 48 8b 05 58 b5 85 01 e8
[15852.337434] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.337607] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.337813] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.338012] RBP: 0000000000000000 R08: ffff9f4df1de1490 R09: 0000000000000000
[15852.338205] R10: ffff9f4e3ffd3000 R11: 000000000003a560 R12: ffff9f4df1de0a10
[15852.338402] R13: ffff9f4ddd4e8960 R14: ffff9f4df1de13a8 R15: ffff9f4df1de1450
[15852.338601] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.338863] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.339040] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.339242] Call Trace:
[15852.339362]  
[15852.339481]  btrfs_run_delayed_refs+0x86/0x210
[15852.339639]  flush_space+0x3c8/0x5f0
[15852.339779]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.339949]  ? lock_release+0x1f0/0x2d0
[15852.340096]  ? _raw_spin_unlock+0x29/0x40
[15852.340247]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.340421]  process_one_work+0x270/0x5a0
[15852.340571]  worker_thread+0x55/0x3c0
[15852.340715]  ? process_one_work+0x5a0/0x5a0
[15852.340879]  kthread+0x174/0x1a0
[15852.341013]  ? set_kthread_struct+0x40/0x40
[15852.341162]  ret_from_fork+0x1f/0x30
[15852.341307]  
[15852.341422] irq event stamp: 0
[15852.341556] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.341742] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.342011] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.342267] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.342452] ---[ end trace ae76d5b6842aa04f ]---
[15852.342643] ------------[ cut here ]------------
[15852.342815] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.343102] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.344501] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.344771] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.345039] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.345233] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.345408] 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 53 48 8b 05 58 b5 85 01 e8
[15852.345888] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.346055] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.346251] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.346449] RBP: 0000000000000000 R08: ffff9f4df6ffb368 R09: 0000000000000000
[15852.346652] R10: ffff9f4df1de1300 R11: 0000000000000002 R12: ffff9f4e2d2360e0
[15852.346861] R13: ffff9f4ddd4e8960 R14: ffff9f4df6ffb270 R15: ffff9f4df6ffb318
[15852.347065] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.347318] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.347495] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.347691] Call Trace:
[15852.347827]  
[15852.347948]  btrfs_run_delayed_refs+0x86/0x210
[15852.348101]  flush_space+0x3c8/0x5f0
[15852.348244]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.348405]  ? lock_release+0x1f0/0x2d0
[15852.348553]  ? _raw_spin_unlock+0x29/0x40
[15852.354394]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.354578]  process_one_work+0x270/0x5a0
[15852.354727]  worker_thread+0x55/0x3c0
[15852.354878]  ? process_one_work+0x5a0/0x5a0
[15852.355032]  kthread+0x174/0x1a0
[15852.355164]  ? set_kthread_struct+0x40/0x40
[15852.355314]  ret_from_fork+0x1f/0x30
[15852.355458]  
[15852.355579] irq event stamp: 0
[15852.355709] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.355906] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.356165] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.356415] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.356603] ---[ end trace ae76d5b6842aa050 ]---
[15852.356788] ------------[ cut here ]------------
[15852.356955] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.357238] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.358647] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.358926] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.359183] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.359379] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.359559] 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 53 48 8b 05 58 b5 85 01 e8
[15852.360041] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.360215] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.360414] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.360616] RBP: 0000000000000000 R08: ffff9f4df6ffb358 R09: 0000000000000000
[15852.360828] R10: ffff9f4e2d236000 R11: 0000000000003179 R12: ffff9f4df1de00e0
[15852.361033] R13: ffff9f4ddd4e8960 R14: ffff9f4df6ffb270 R15: ffff9f4df6ffb318
[15852.361235] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.361498] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.361674] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.361892] Call Trace:
[15852.362015]  
[15852.362140]  btrfs_run_delayed_refs+0x86/0x210
[15852.362298]  flush_space+0x3c8/0x5f0
[15852.362442]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.363385]  ? lock_release+0x1f0/0x2d0
[15852.363635]  ? _raw_spin_unlock+0x29/0x40
[15852.363872]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.364125]  process_one_work+0x270/0x5a0
[15852.364343]  worker_thread+0x55/0x3c0
[15852.364630]  ? process_one_work+0x5a0/0x5a0
[15852.364865]  kthread+0x174/0x1a0
[15852.365064]  ? set_kthread_struct+0x40/0x40
[15852.365310]  ret_from_fork+0x1f/0x30
[15852.365530]  
[15852.365704] irq event stamp: 0
[15852.365915] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.366361] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.366876] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.367298] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.367587] ---[ end trace ae76d5b6842aa051 ]---
[15852.367890] ------------[ cut here ]------------
[15852.368159] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.368558] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.370273] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.370629] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.370969] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.371228] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.371483] 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 53 48 8b 05 58 b5 85 01 e8
[15852.372057] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.372305] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.372580] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.372862] RBP: 0000000000000000 R08: ffff9f4e15ccb5c8 R09: 0000000000000000
[15852.373128] R10: ffff9f4e3ffd3000 R11: 000000000003a560 R12: ffff9f4dc7d632a0
[15852.373414] R13: ffff9f4ddd4e8960 R14: ffff9f4e15ccb4e0 R15: ffff9f4e15ccb588
[15852.373682] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.374036] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.374276] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.374546] Call Trace:
[15852.374711]  
[15852.374903]  btrfs_run_delayed_refs+0x86/0x210
[15852.375134]  flush_space+0x3c8/0x5f0
[15852.375358]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.375584]  ? lock_release+0x1f0/0x2d0
[15852.375804]  ? _raw_spin_unlock+0x29/0x40
[15852.376001]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.376258]  process_one_work+0x270/0x5a0
[15852.376480]  worker_thread+0x55/0x3c0
[15852.376680]  ? process_one_work+0x5a0/0x5a0
[15852.376924]  kthread+0x174/0x1a0
[15852.377133]  ? set_kthread_struct+0x40/0x40
[15852.377346]  ret_from_fork+0x1f/0x30
[15852.377546]  
[15852.377687] irq event stamp: 0
[15852.377833] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.378024] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.378285] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.378590] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.378775] ---[ end trace ae76d5b6842aa052 ]---
[15852.378977] ------------[ cut here ]------------
[15852.379134] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.379446] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.380946] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.381209] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.381471] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.381661] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.381848] 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 53 48 8b 05 58 b5 85 01 e8
[15852.382316] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.382483] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.382678] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.382885] RBP: 0000000000000000 R08: ffff9f4e2d38b490 R09: 0000000000000000
[15852.383082] R10: ffff9f4e15ccb400 R11: 0000000000000002 R12: ffff9f4e15e48690
[15852.383274] R13: ffff9f4ddd4e8960 R14: ffff9f4e2d38b3a8 R15: ffff9f4e2d38b450
[15852.383477] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.383730] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.383913] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.384112] Call Trace:
[15852.384232]  
[15852.384359]  btrfs_run_delayed_refs+0x86/0x210
[15852.384517]  flush_space+0x3c8/0x5f0
[15852.384656]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.384830]  ? lock_release+0x1f0/0x2d0
[15852.384980]  ? _raw_spin_unlock+0x29/0x40
[15852.385126]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.385296]  process_one_work+0x270/0x5a0
[15852.385446]  worker_thread+0x55/0x3c0
[15852.385594]  ? process_one_work+0x5a0/0x5a0
[15852.385745]  kthread+0x174/0x1a0
[15852.385890]  ? set_kthread_struct+0x40/0x40
[15852.386045]  ret_from_fork+0x1f/0x30
[15852.386186]  
[15852.386299] irq event stamp: 0
[15852.386431] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.386615] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.386886] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.387142] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.387324] ---[ end trace ae76d5b6842aa053 ]---
[15852.387515] ------------[ cut here ]------------
[15852.387673] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.395387] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.397678] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.397981] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.398259] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.398460] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.398653] 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 53 48 8b 05 58 b5 85 01 e8
[15852.399161] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.399339] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.399552] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.399757] RBP: 0000000000000000 R08: ffff9f4df66a5220 R09: 0000000000000000
[15852.399983] R10: ffff9f4e3ffd3000 R11: 000000000003a560 R12: ffff9f4e15e48cb0
[15852.400191] R13: ffff9f4ddd4e8960 R14: ffff9f4df66a5138 R15: ffff9f4df66a51e0
[15852.400396] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.400664] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.400867] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.401079] Call Trace:
[15852.401205]  
[15852.401332]  btrfs_run_delayed_refs+0x86/0x210
[15852.401505]  flush_space+0x3c8/0x5f0
[15852.401652]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.401835]  ? lock_release+0x1f0/0x2d0
[15852.401996]  ? _raw_spin_unlock+0x29/0x40
[15852.402162]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.402346]  process_one_work+0x270/0x5a0
[15852.402507]  worker_thread+0x55/0x3c0
[15852.402658]  ? process_one_work+0x5a0/0x5a0
[15852.402830]  kthread+0x174/0x1a0
[15852.402972]  ? set_kthread_struct+0x40/0x40
[15852.403133]  ret_from_fork+0x1f/0x30
[15852.403285]  
[15852.403405] irq event stamp: 0
[15852.403556] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.403750] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.404033] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.404302] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.404499] ---[ end trace ae76d5b6842aa054 ]---
[15852.404754] ------------[ cut here ]------------
[15852.404933] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.405249] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.406685] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.406969] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.407234] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.407433] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.407619] 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 53 48 8b 05 58 b5 85 01 e8
[15852.408103] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.408274] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.408486] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.408707] RBP: 0000000000000000 R08: ffff9f4dc7c8d838 R09: 0000000000000000
[15852.408921] R10: ffff9f4e3ffd3000 R11: 000000000003a560 R12: ffff9f4dc7d66150
[15852.409174] R13: ffff9f4ddd4e8960 R14: ffff9f4dc7c8d750 R15: ffff9f4dc7c8d7f8
[15852.409375] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.409632] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.409817] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.410017] Call Trace:
[15852.410140]  
[15852.410257]  btrfs_run_delayed_refs+0x86/0x210
[15852.410412]  flush_space+0x3c8/0x5f0
[15852.410567]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.410727]  ? lock_release+0x1f0/0x2d0
[15852.410885]  ? _raw_spin_unlock+0x29/0x40
[15852.411035]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.411210]  process_one_work+0x270/0x5a0
[15852.411362]  worker_thread+0x55/0x3c0
[15852.411507]  ? process_one_work+0x5a0/0x5a0
[15852.411655]  kthread+0x174/0x1a0
[15852.411789]  ? set_kthread_struct+0x40/0x40
[15852.411951]  ret_from_fork+0x1f/0x30
[15852.412094]  
[15852.412211] irq event stamp: 0
[15852.412338] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.412522] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.412777] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.413042] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.413235] ---[ end trace ae76d5b6842aa055 ]---
[15852.413429] ------------[ cut here ]------------
[15852.413592] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.413883] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.415301] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.415567] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.415857] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.416049] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.416221] 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 53 48 8b 05 58 b5 85 01 e8
[15852.416693] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.416873] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.417073] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.417268] RBP: 0000000000000000 R08: ffff9f4e2d389aa8 R09: 0000000000000000
[15852.417469] R10: ffff9f4e3ffd3000 R11: 000000000003a560 R12: ffff9f4df66a79a0
[15852.417663] R13: ffff9f4ddd4e8960 R14: ffff9f4e2d3899c0 R15: ffff9f4e2d389a68
[15852.417871] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.418117] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.418294] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.418496] Call Trace:
[15852.418615]  
[15852.418732]  btrfs_run_delayed_refs+0x86/0x210
[15852.418904]  flush_space+0x3c8/0x5f0
[15852.419046]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.419204]  ? lock_release+0x1f0/0x2d0
[15852.419350]  ? _raw_spin_unlock+0x29/0x40
[15852.419506]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.419678]  process_one_work+0x270/0x5a0
[15852.419835]  worker_thread+0x55/0x3c0
[15852.419980]  ? process_one_work+0x5a0/0x5a0
[15852.420133]  kthread+0x174/0x1a0
[15852.420266]  ? set_kthread_struct+0x40/0x40
[15852.420418]  ret_from_fork+0x1f/0x30
[15852.420565]  
[15852.420679] irq event stamp: 0
[15852.420819] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.421006] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.421264] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.421520] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.421702] ---[ end trace ae76d5b6842aa056 ]---
[15852.421902] ------------[ cut here ]------------
[15852.422057] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.422341] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.424436] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.424854] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.425237] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.425529] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.425787] 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 53 48 8b 05 58 b5 85 01 e8
[15852.432959] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.433160] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.433397] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.433609] RBP: 0000000000000000 R08: ffff9f4e2d389700 R09: 0000000000000000
[15852.433821] R10: ffff9f4e2d389900 R11: 0000000000000002 R12: ffff9f4df66a7000
[15852.434025] R13: ffff9f4ddd4e8960 R14: ffff9f4e2d389618 R15: ffff9f4e2d3896c0
[15852.434224] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.434484] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.434664] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.434901] Call Trace:
[15852.435024]  
[15852.435143]  btrfs_run_delayed_refs+0x86/0x210
[15852.435302]  flush_space+0x3c8/0x5f0
[15852.435445]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.435612]  ? lock_release+0x1f0/0x2d0
[15852.435759]  ? _raw_spin_unlock+0x29/0x40
[15852.435931]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.436103]  process_one_work+0x270/0x5a0
[15852.436251]  worker_thread+0x55/0x3c0
[15852.436395]  ? process_one_work+0x5a0/0x5a0
[15852.436552]  kthread+0x174/0x1a0
[15852.436683]  ? set_kthread_struct+0x40/0x40
[15852.436845]  ret_from_fork+0x1f/0x30
[15852.436990]  
[15852.437106] irq event stamp: 0
[15852.437234] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.437422] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.437684] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.437950] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.438136] ---[ end trace ae76d5b6842aa057 ]---
[15852.438331] ------------[ cut here ]------------
[15852.438498] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.438806] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.440213] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.440481] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.440733] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.440941] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.441115] 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 53 48 8b 05 58 b5 85 01 e8
[15852.441591] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.441756] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.441962] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.442161] RBP: 0000000000000000 R08: ffff9f4dd1123e50 R09: 0000000000000000
[15852.442354] R10: ffff9f4e2d389600 R11: 0000000000000002 R12: ffff9f4dede46930
[15852.442558] R13: ffff9f4ddd4e8960 R14: ffff9f4dd1123d68 R15: ffff9f4dd1123e10
[15852.442757] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.443022] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.443194] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.443392] Call Trace:
[15852.443514]  
[15852.443634]  btrfs_run_delayed_refs+0x86/0x210
[15852.443786]  flush_space+0x3c8/0x5f0
[15852.443936]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.444100]  ? lock_release+0x1f0/0x2d0
[15852.444248]  ? _raw_spin_unlock+0x29/0x40
[15852.444397]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.444577]  process_one_work+0x270/0x5a0
[15852.444725]  worker_thread+0x55/0x3c0
[15852.444881]  ? process_one_work+0x5a0/0x5a0
[15852.445032]  kthread+0x174/0x1a0
[15852.445166]  ? set_kthread_struct+0x40/0x40
[15852.445321]  ret_from_fork+0x1f/0x30
[15852.445462]  
[15852.445582] irq event stamp: 0
[15852.445712] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.445908] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.446162] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.446417] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.446601] ---[ end trace ae76d5b6842aa058 ]---
[15852.446807] ------------[ cut here ]------------
[15852.446966] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.447251] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.448847] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.449117] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.449486] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.449678] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.449863] 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 53 48 8b 05 58 b5 85 01 e8
[15852.450370] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.450571] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.450769] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.451050] RBP: 0000000000000000 R08: ffff9f4e15ccb700 R09: 0000000000000000
[15852.451284] R10: ffff9f4dd1123d00 R11: 000000000003a560 R12: ffff9f4df66a37e0
[15852.451534] R13: ffff9f4ddd4e8960 R14: ffff9f4e15ccb618 R15: ffff9f4e15ccb6c0
[15852.451733] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.452053] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.452235] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.452441] Call Trace:
[15852.452589]  
[15852.452705]  btrfs_run_delayed_refs+0x86/0x210
[15852.452876]  flush_space+0x3c8/0x5f0
[15852.453089]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.453299]  ? lock_release+0x1f0/0x2d0
[15852.453446]  ? _raw_spin_unlock+0x29/0x40
[15852.454226]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.454483]  process_one_work+0x270/0x5a0
[15852.454707]  worker_thread+0x55/0x3c0
[15852.454894]  ? process_one_work+0x5a0/0x5a0
[15852.455051]  kthread+0x174/0x1a0
[15852.455203]  ? set_kthread_struct+0x40/0x40
[15852.455410]  ret_from_fork+0x1f/0x30
[15852.455560]  
[15852.455677] irq event stamp: 0
[15852.455815] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.456004] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.456260] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.456529] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.456714] ---[ end trace ae76d5b6842aa059 ]---
[15852.456917] ------------[ cut here ]------------
[15852.457073] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.457349] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.458761] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.459041] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.459295] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.459493] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.459667] 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 53 48 8b 05 58 b5 85 01 e8
[15852.460142] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.460308] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.460503] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.460698] RBP: 0000000000000000 R08: ffff9f4e15cccd18 R09: 0000000000000000
[15852.460903] R10: ffff9f4e15ccb600 R11: 0000000000000002 R12: ffff9f4e15ccd1c0
[15852.461100] R13: ffff9f4ddd4e8960 R14: ffff9f4e15cccc30 R15: ffff9f4e15ccccd8
[15852.461297] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.461553] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.461723] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.461932] Call Trace:
[15852.462051]  
[15852.462171]  btrfs_run_delayed_refs+0x86/0x210
[15852.462322]  flush_space+0x3c8/0x5f0
[15852.462459]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.462624]  ? lock_release+0x1f0/0x2d0
[15852.462769]  ? _raw_spin_unlock+0x29/0x40
[15852.468692]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.468879]  process_one_work+0x270/0x5a0
[15852.469028]  worker_thread+0x55/0x3c0
[15852.469168]  ? process_one_work+0x5a0/0x5a0
[15852.469320]  kthread+0x174/0x1a0
[15852.469453]  ? set_kthread_struct+0x40/0x40
[15852.469607]  ret_from_fork+0x1f/0x30
[15852.469748]  
[15852.469878] irq event stamp: 0
[15852.470005] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.470190] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.470447] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.470699] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.470898] ---[ end trace ae76d5b6842aa05a ]---
[15852.471090] ------------[ cut here ]------------
[15852.471246] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.471529] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.472942] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.473200] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.473459] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.473654] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.473838] 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 53 48 8b 05 58 b5 85 01 e8
[15852.474305] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.474478] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.474673] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.474881] RBP: 0000000000000000 R08: ffff9f4dd5830490 R09: 0000000000000000
[15852.475076] R10: ffff9f4e15cccc00 R11: 0000000000000001 R12: ffff9f4dee448cb0
[15852.475270] R13: ffff9f4ddd4e8960 R14: ffff9f4dd58303a8 R15: ffff9f4dd5830450
[15852.475469] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.475719] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.475904] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.476102] Call Trace:
[15852.476221]  
[15852.476342]  btrfs_run_delayed_refs+0x86/0x210
[15852.476501]  flush_space+0x3c8/0x5f0
[15852.476657]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.476832]  ? lock_release+0x1f0/0x2d0
[15852.476981]  ? _raw_spin_unlock+0x29/0x40
[15852.477127]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.477305]  process_one_work+0x270/0x5a0
[15852.477453]  worker_thread+0x55/0x3c0
[15852.477599]  ? process_one_work+0x5a0/0x5a0
[15852.477746]  kthread+0x174/0x1a0
[15852.477892]  ? set_kthread_struct+0x40/0x40
[15852.478043]  ret_from_fork+0x1f/0x30
[15852.478187]  
[15852.478300] irq event stamp: 0
[15852.478431] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.478618] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.478879] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.479137] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.479317] ---[ end trace ae76d5b6842aa05b ]---
[15852.479511] ------------[ cut here ]------------
[15852.479674] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.479971] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.481366] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.481635] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.481902] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.482096] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.482270] 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 53 48 8b 05 58 b5 85 01 e8
[15852.482730] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.482906] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.483107] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.483304] RBP: 0000000000000000 R08: ffff9f4e2d276970 R09: 0000000000000000
[15852.483504] R10: ffff9f4e3ffd3000 R11: 000000000003a560 R12: ffff9f4dd1592620
[15852.484382] R13: ffff9f4ddd4e8960 R14: ffff9f4e2d276888 R15: ffff9f4e2d276930
[15852.484591] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.484856] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.485030] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.485229] Call Trace:
[15852.485351]  
[15852.485471]  btrfs_run_delayed_refs+0x86/0x210
[15852.485630]  flush_space+0x3c8/0x5f0
[15852.485771]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.485944]  ? lock_release+0x1f0/0x2d0
[15852.486090]  ? _raw_spin_unlock+0x29/0x40
[15852.486239]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.486414]  process_one_work+0x270/0x5a0
[15852.486598]  worker_thread+0x55/0x3c0
[15852.486738]  ? process_one_work+0x5a0/0x5a0
[15852.486900]  kthread+0x174/0x1a0
[15852.487038]  ? set_kthread_struct+0x40/0x40
[15852.487184]  ret_from_fork+0x1f/0x30
[15852.487325]  
[15852.487441] irq event stamp: 0
[15852.487573] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.487754] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.488022] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.488375] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.488668] ---[ end trace ae76d5b6842aa05c ]---
[15852.488974] ------------[ cut here ]------------
[15852.489192] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.489593] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.491549] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.491979] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.492408] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.492761] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.493035] 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 53 48 8b 05 58 b5 85 01 e8
[15852.493783] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.494101] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.494432] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.494805] RBP: 0000000000000000 R08: ffff9f4e2d388be0 R09: 0000000000000000
[15852.495157] R10: ffff9f4e3ffd3000 R11: 000000000003a560 R12: ffff9f4dd13844d0
[15852.495498] R13: ffff9f4ddd4e8960 R14: ffff9f4e2d388af8 R15: ffff9f4e2d388ba0
[15852.495843] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.496295] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.496583] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.496929] Call Trace:
[15852.497170]  
[15852.497405]  btrfs_run_delayed_refs+0x86/0x210
[15852.497705]  flush_space+0x3c8/0x5f0
[15852.498001]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.498297]  ? lock_release+0x1f0/0x2d0
[15852.498518]  ? _raw_spin_unlock+0x29/0x40
[15852.498785]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.499031]  process_one_work+0x270/0x5a0
[15852.499254]  worker_thread+0x55/0x3c0
[15852.499442]  ? process_one_work+0x5a0/0x5a0
[15852.499638]  kthread+0x174/0x1a0
[15852.499777]  ? set_kthread_struct+0x40/0x40
[15852.499948]  ret_from_fork+0x1f/0x30
[15852.500101]  
[15852.500239] irq event stamp: 0
[15852.500390] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.500581] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.500840] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.501117] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.501335] ---[ end trace ae76d5b6842aa05d ]---
[15852.501606] ------------[ cut here ]------------
[15852.501774] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.507745] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.509173] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.509433] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.509698] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.509901] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.510074] 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 53 48 8b 05 58 b5 85 01 e8
[15852.510546] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.510714] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.510923] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.511120] RBP: 0000000000000000 R08: ffff9f4e2d389d18 R09: 0000000000000000
[15852.511314] R10: ffff9f4e3ffd3000 R11: 000000000003a560 R12: ffff9f4df66a7e00
[15852.511514] R13: ffff9f4ddd4e8960 R14: ffff9f4e2d389c30 R15: ffff9f4e2d389cd8
[15852.511708] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.511970] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.512148] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.512349] Call Trace:
[15852.512471]  
[15852.512588]  btrfs_run_delayed_refs+0x86/0x210
[15852.512742]  flush_space+0x3c8/0x5f0
[15852.512894]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.513053]  ? lock_release+0x1f0/0x2d0
[15852.513199]  ? _raw_spin_unlock+0x29/0x40
[15852.513352]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.514257]  process_one_work+0x270/0x5a0
[15852.514482]  worker_thread+0x55/0x3c0
[15852.514697]  ? process_one_work+0x5a0/0x5a0
[15852.514939]  kthread+0x174/0x1a0
[15852.515138]  ? set_kthread_struct+0x40/0x40
[15852.515357]  ret_from_fork+0x1f/0x30
[15852.515577]  
[15852.515748] irq event stamp: 0
[15852.515956] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.516232] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.516691] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.517083] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.517356] ---[ end trace ae76d5b6842aa05e ]---
[15852.517649] ------------[ cut here ]------------
[15852.517902] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.518369] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.519942] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.520208] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.520508] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.520702] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.520891] 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 53 48 8b 05 58 b5 85 01 e8
[15852.521359] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.521528] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.521760] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.521969] RBP: 0000000000000000 R08: ffff9f4dd15965c8 R09: 0000000000000000
[15852.522168] R10: ffff9f4e3ffd3000 R11: 000000000003a560 R12: ffff9f4dc58748c0
[15852.522368] R13: ffff9f4ddd4e8960 R14: ffff9f4dd15964e0 R15: ffff9f4dd1596588
[15852.522571] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.522928] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.523142] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.523339] Call Trace:
[15852.523458]  
[15852.523622]  btrfs_run_delayed_refs+0x86/0x210
[15852.523775]  flush_space+0x3c8/0x5f0
[15852.523931]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.524097]  ? lock_release+0x1f0/0x2d0
[15852.524241]  ? _raw_spin_unlock+0x29/0x40
[15852.524389]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.524567]  process_one_work+0x270/0x5a0
[15852.524718]  worker_thread+0x55/0x3c0
[15852.524869]  ? process_one_work+0x5a0/0x5a0
[15852.525022]  kthread+0x174/0x1a0
[15852.525155]  ? set_kthread_struct+0x40/0x40
[15852.525307]  ret_from_fork+0x1f/0x30
[15852.525447]  
[15852.525565] irq event stamp: 0
[15852.525696] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.525891] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.526176] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.526434] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.526652] ---[ end trace ae76d5b6842aa05f ]---
[15852.526867] ------------[ cut here ]------------
[15852.527047] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.527344] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.528816] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.529090] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.529363] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.529584] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.529755] 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 53 48 8b 05 58 b5 85 01 e8
[15852.530224] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.530394] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.530599] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.530812] RBP: 0000000000000000 R08: ffff9f4df1de25d8 R09: 0000000000000000
[15852.531008] R10: ffff9f4e3ffd3000 R11: 000000000003a560 R12: ffff9f4dc5874cb0
[15852.531207] R13: ffff9f4ddd4e8960 R14: ffff9f4df1de24e0 R15: ffff9f4df1de2588
[15852.531402] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.531652] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.531841] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.532044] Call Trace:
[15852.532166]  
[15852.532282]  btrfs_run_delayed_refs+0x86/0x210
[15852.532438]  flush_space+0x3c8/0x5f0
[15852.532584]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.532743]  ? lock_release+0x1f0/0x2d0
[15852.532898]  ? _raw_spin_unlock+0x29/0x40
[15852.533050]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.533224]  process_one_work+0x270/0x5a0
[15852.533371]  worker_thread+0x55/0x3c0
[15852.533515]  ? process_one_work+0x5a0/0x5a0
[15852.533663]  kthread+0x174/0x1a0
[15852.533807]  ? set_kthread_struct+0x40/0x40
[15852.533956]  ret_from_fork+0x1f/0x30
[15852.534100]  
[15852.534217] irq event stamp: 0
[15852.534345] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.534533] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.534790] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.535059] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.535243] ---[ end trace ae76d5b6842aa060 ]---
[15852.535433] ------------[ cut here ]------------
[15852.535595] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.535887] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.537289] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.537558] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.537825] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.538019] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.538194] 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 53 48 8b 05 58 b5 85 01 e8
[15852.545784] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.546058] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.546363] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.546715] RBP: 0000000000000000 R08: ffff9f4df1de25c8 R09: 0000000000000000
[15852.547074] R10: ffff9f4dc5874c00 R11: 0000000000003acf R12: ffff9f4df1de3700
[15852.547411] R13: ffff9f4ddd4e8960 R14: ffff9f4df1de24e0 R15: ffff9f4df1de2588
[15852.547747] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.548142] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.548402] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.548705] Call Trace:
[15852.548908]  
[15852.549088]  btrfs_run_delayed_refs+0x86/0x210
[15852.549327]  flush_space+0x3c8/0x5f0
[15852.549545]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.549779]  ? lock_release+0x1f0/0x2d0
[15852.550011]  ? _raw_spin_unlock+0x29/0x40
[15852.550165]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.550340]  process_one_work+0x270/0x5a0
[15852.550493]  worker_thread+0x55/0x3c0
[15852.550634]  ? process_one_work+0x5a0/0x5a0
[15852.550784]  kthread+0x174/0x1a0
[15852.550934]  ? set_kthread_struct+0x40/0x40
[15852.551082]  ret_from_fork+0x1f/0x30
[15852.551227]  
[15852.551344] irq event stamp: 0
[15852.551477] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.551665] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.551935] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.552189] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.552373] ---[ end trace ae76d5b6842aa061 ]---
[15852.552571] ------------[ cut here ]------------
[15852.552729] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.553020] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.554429] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.554715] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.555006] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.555198] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.555374] 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 53 48 8b 05 58 b5 85 01 e8
[15852.555857] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.556022] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.556218] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.556413] RBP: 0000000000000000 R08: ffff9f4df1de2f98 R09: 0000000000000000
[15852.556611] R10: ffff9f4df1de2400 R11: 0101000000000001 R12: ffff9f4e2d38aaf0
[15852.556818] R13: ffff9f4ddd4e8960 R14: ffff9f4df1de2ea0 R15: ffff9f4df1de2f48
[15852.557016] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.557340] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.557518] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.557713] Call Trace:
[15852.557842]  
[15852.557963]  btrfs_run_delayed_refs+0x86/0x210
[15852.558119]  flush_space+0x3c8/0x5f0
[15852.558257]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.558417]  ? lock_release+0x1f0/0x2d0
[15852.558579]  ? _raw_spin_unlock+0x29/0x40
[15852.558727]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.558911]  process_one_work+0x270/0x5a0
[15852.559062]  worker_thread+0x55/0x3c0
[15852.559205]  ? process_one_work+0x5a0/0x5a0
[15852.559354]  kthread+0x174/0x1a0
[15852.559489]  ? set_kthread_struct+0x40/0x40
[15852.559643]  ret_from_fork+0x1f/0x30
[15852.559788]  
[15852.559914] irq event stamp: 0
[15852.560045] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.560228] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.560482] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.560737] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.560931] ---[ end trace ae76d5b6842aa062 ]---
[15852.561117] ------------[ cut here ]------------
[15852.561277] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.561565] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.562971] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.563238] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.563497] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.563691] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.563878] 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 53 48 8b 05 58 b5 85 01 e8
[15852.564339] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.564508] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.564706] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.564916] RBP: 0000000000000000 R08: ffff9f4df1de2f88 R09: 0000000000000000
[15852.565113] R10: ffff9f4e2d38aa00 R11: 0000000000003a9a R12: ffff9f4df1de08c0
[15852.565312] R13: ffff9f4ddd4e8960 R14: ffff9f4df1de2ea0 R15: ffff9f4df1de2f48
[15852.565513] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.565765] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.565951] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.566152] Call Trace:
[15852.566274]  
[15852.566391]  btrfs_run_delayed_refs+0x86/0x210
[15852.566548]  flush_space+0x3c8/0x5f0
[15852.566689]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.566859]  ? lock_release+0x1f0/0x2d0
[15852.567003]  ? _raw_spin_unlock+0x29/0x40
[15852.567155]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.567329]  process_one_work+0x270/0x5a0
[15852.567478]  worker_thread+0x55/0x3c0
[15852.567618]  ? process_one_work+0x5a0/0x5a0
[15852.567770]  kthread+0x174/0x1a0
[15852.567918]  ? set_kthread_struct+0x40/0x40
[15852.568070]  ret_from_fork+0x1f/0x30
[15852.568211]  
[15852.568328] irq event stamp: 0
[15852.568456] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.568643] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.568916] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.569216] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.569413] ---[ end trace ae76d5b6842aa063 ]---
[15852.569699] ------------[ cut here ]------------
[15852.569890] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.570199] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.571695] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.571971] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.572235] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.572428] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.572646] 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 53 48 8b 05 58 b5 85 01 e8
[15852.573223] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.573405] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.574448] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.574764] RBP: 0000000000000000 R08: ffff9f4e15ccc220 R09: 0000000000000000
[15852.575094] R10: ffff9f4df1de2e00 R11: 0101000000000001 R12: ffff9f4e15ccdbd0
[15852.575399] R13: ffff9f4ddd4e8960 R14: ffff9f4e15ccc138 R15: ffff9f4e15ccc1e0
[15852.575710] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.576132] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.576420] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.576753] Call Trace:
[15852.576949]  
[15852.577137]  btrfs_run_delayed_refs+0x86/0x210
[15852.577375]  flush_space+0x3c8/0x5f0
[15852.577587]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.577845]  ? lock_release+0x1f0/0x2d0
[15852.578064]  ? _raw_spin_unlock+0x29/0x40
[15852.584806]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.584990]  process_one_work+0x270/0x5a0
[15852.585142]  worker_thread+0x55/0x3c0
[15852.585282]  ? process_one_work+0x5a0/0x5a0
[15852.585430]  kthread+0x174/0x1a0
[15852.585572]  ? set_kthread_struct+0x40/0x40
[15852.585722]  ret_from_fork+0x1f/0x30
[15852.585940]  
[15852.586079] irq event stamp: 0
[15852.586285] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.586496] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.586767] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.587048] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.587249] ---[ end trace ae76d5b6842aa064 ]---
[15852.587469] ------------[ cut here ]------------
[15852.587648] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.588036] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.589574] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.589877] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.590149] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.590344] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.590523] 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 53 48 8b 05 58 b5 85 01 e8
[15852.591017] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.591190] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.591389] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.591596] RBP: 0000000000000000 R08: ffff9f4e2d2350e8 R09: 0000000000000000
[15852.591806] R10: ffff9f4e15ccc100 R11: 0000000000000001 R12: ffff9f4dd6706f50
[15852.592008] R13: ffff9f4ddd4e8960 R14: ffff9f4e2d235000 R15: ffff9f4e2d2350a8
[15852.592226] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.592479] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.592655] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.592866] Call Trace:
[15852.592988]  
[15852.593105]  btrfs_run_delayed_refs+0x86/0x210
[15852.593284]  flush_space+0x3c8/0x5f0
[15852.593428]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.593596]  ? lock_release+0x1f0/0x2d0
[15852.593749]  ? _raw_spin_unlock+0x29/0x40
[15852.593919]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.594097]  process_one_work+0x270/0x5a0
[15852.594248]  worker_thread+0x55/0x3c0
[15852.594394]  ? process_one_work+0x5a0/0x5a0
[15852.594555]  kthread+0x174/0x1a0
[15852.594690]  ? set_kthread_struct+0x40/0x40
[15852.594859]  ret_from_fork+0x1f/0x30
[15852.595008]  
[15852.595126] irq event stamp: 0
[15852.595257] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.595448] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.595712] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.595989] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.596198] ---[ end trace ae76d5b6842aa065 ]---
[15852.596397] ------------[ cut here ]------------
[15852.596557] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.596857] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.598301] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.598611] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.598878] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.599075] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.599249] 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 53 48 8b 05 58 b5 85 01 e8
[15852.599757] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.599936] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.600184] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.600394] RBP: 0000000000000000 R08: ffff9f4dc0814970 R09: 0000000000000000
[15852.600606] R10: ffff9f4e3ffd3000 R11: 000000000003a560 R12: ffff9f4e2d38a000
[15852.600847] R13: ffff9f4ddd4e8960 R14: ffff9f4dc0814888 R15: ffff9f4dc0814930
[15852.601082] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.601351] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.601536] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.601746] Call Trace:
[15852.601905]  
[15852.602056]  btrfs_run_delayed_refs+0x86/0x210
[15852.602223]  flush_space+0x3c8/0x5f0
[15852.602375]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.602550]  ? lock_release+0x1f0/0x2d0
[15852.602703]  ? _raw_spin_unlock+0x29/0x40
[15852.602875]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.603061]  process_one_work+0x270/0x5a0
[15852.603219]  worker_thread+0x55/0x3c0
[15852.603367]  ? process_one_work+0x5a0/0x5a0
[15852.604539]  kthread+0x174/0x1a0
[15852.604780]  ? set_kthread_struct+0x40/0x40
[15852.605026]  ret_from_fork+0x1f/0x30
[15852.605216]  
[15852.605360] irq event stamp: 0
[15852.605544] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.605736] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.606029] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.606388] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.606586] ---[ end trace ae76d5b6842aa066 ]---
[15852.606889] ------------[ cut here ]------------
[15852.607103] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.607400] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.609350] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.609741] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.610073] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.610310] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.610502] 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 53 48 8b 05 58 b5 85 01 e8
[15852.611039] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.611286] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.611551] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.611772] RBP: 0000000000000000 R08: ffff9f4e15ccbbe0 R09: 0000000000000000
[15852.612046] R10: ffff9f4e3ffd3000 R11: 000000000003a560 R12: ffff9f4df66a31c0
[15852.612280] R13: ffff9f4ddd4e8960 R14: ffff9f4e15ccbaf8 R15: ffff9f4e15ccbba0
[15852.612511] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.612833] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.613073] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.613335] Call Trace:
[15852.613493]  
[15852.613618]  btrfs_run_delayed_refs+0x86/0x210
[15852.613814]  flush_space+0x3c8/0x5f0
[15852.614005]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.614231]  ? lock_release+0x1f0/0x2d0
[15852.614429]  ? _raw_spin_unlock+0x29/0x40
[15852.614621]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.614831]  process_one_work+0x270/0x5a0
[15852.614991]  worker_thread+0x55/0x3c0
[15852.615142]  ? process_one_work+0x5a0/0x5a0
[15852.615300]  kthread+0x174/0x1a0
[15852.615441]  ? set_kthread_struct+0x40/0x40
[15852.615601]  ret_from_fork+0x1f/0x30
[15852.615754]  
[15852.615888] irq event stamp: 0
[15852.616028] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.616420] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.616927] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.617915] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.618378] ---[ end trace ae76d5b6842aa067 ]---
[15852.618694] ------------[ cut here ]------------
[15852.618887] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.627351] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.628769] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.629034] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.629349] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.629631] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.629824] 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 53 48 8b 05 58 b5 85 01 e8
[15852.630311] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.630482] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.630680] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.630887] RBP: 0000000000000000 R08: ffff9f4e15ccc358 R09: 0000000000000000
[15852.631086] R10: ffff9f4e15ccba00 R11: 000000000003a560 R12: ffff9f4e15ccd700
[15852.631279] R13: ffff9f4ddd4e8960 R14: ffff9f4e15ccc270 R15: ffff9f4e15ccc318
[15852.631488] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.631736] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.631943] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.632146] Call Trace:
[15852.632268]  
[15852.632386]  btrfs_run_delayed_refs+0x86/0x210
[15852.632548]  flush_space+0x3c8/0x5f0
[15852.632690]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.632856]  ? lock_release+0x1f0/0x2d0
[15852.633001]  ? _raw_spin_unlock+0x29/0x40
[15852.633151]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.633321]  process_one_work+0x270/0x5a0
[15852.634161]  worker_thread+0x55/0x3c0
[15852.634319]  ? process_one_work+0x5a0/0x5a0
[15852.634493]  kthread+0x174/0x1a0
[15852.634635]  ? set_kthread_struct+0x40/0x40
[15852.634785]  ret_from_fork+0x1f/0x30
[15852.634937]  
[15852.635055] irq event stamp: 0
[15852.635182] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.635393] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.635663] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.635954] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.636161] ---[ end trace ae76d5b6842aa068 ]---
[15852.636396] ------------[ cut here ]------------
[15852.636601] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.636920] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.638426] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.638706] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.639077] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.639314] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.639518] 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 53 48 8b 05 58 b5 85 01 e8
[15852.640051] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.640238] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.640472] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.640676] RBP: 0000000000000000 R08: ffff9f4e15ccb490 R09: 0000000000000000
[15852.640936] R10: ffff9f4e15ccc200 R11: 0000000000000001 R12: ffff9f4df775c460
[15852.641152] R13: ffff9f4ddd4e8960 R14: ffff9f4e15ccb3a8 R15: ffff9f4e15ccb450
[15852.641360] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.641616] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.641799] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.642038] Call Trace:
[15852.642160]  
[15852.642279]  btrfs_run_delayed_refs+0x86/0x210
[15852.642434]  flush_space+0x3c8/0x5f0
[15852.642610]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.642806]  ? lock_release+0x1f0/0x2d0
[15852.642977]  ? _raw_spin_unlock+0x29/0x40
[15852.643128]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.643326]  process_one_work+0x270/0x5a0
[15852.643491]  worker_thread+0x55/0x3c0
[15852.643651]  ? process_one_work+0x5a0/0x5a0
[15852.643830]  kthread+0x174/0x1a0
[15852.643965]  ? set_kthread_struct+0x40/0x40
[15852.644120]  ret_from_fork+0x1f/0x30
[15852.644263]  
[15852.644405] irq event stamp: 0
[15852.644543] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.644742] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.644999] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.645269] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.645479] ---[ end trace ae76d5b6842aa069 ]---
[15852.645719] ------------[ cut here ]------------
[15852.645915] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.646265] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.648139] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.648412] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.648690] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.648895] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.649068] 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 53 48 8b 05 58 b5 85 01 e8
[15852.649757] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.649963] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.650163] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.650363] RBP: 0000000000000000 R08: ffff9f4dede47358 R09: 0000000000000000
[15852.650566] R10: ffff9f4e15ccb300 R11: 000000000003a560 R12: ffff9f4e168cb770
[15852.650765] R13: ffff9f4ddd4e8960 R14: ffff9f4dede47270 R15: ffff9f4dede47318
[15852.650969] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.651217] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.651392] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.651595] Call Trace:
[15852.651717]  
[15852.651849]  btrfs_run_delayed_refs+0x86/0x210
[15852.652082]  flush_space+0x3c8/0x5f0
[15852.652255]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.652414]  ? lock_release+0x1f0/0x2d0
[15852.652561]  ? _raw_spin_unlock+0x29/0x40
[15852.652711]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.652897]  process_one_work+0x270/0x5a0
[15852.653044]  worker_thread+0x55/0x3c0
[15852.653183]  ? process_one_work+0x5a0/0x5a0
[15852.653332]  kthread+0x174/0x1a0
[15852.653472]  ? set_kthread_struct+0x40/0x40
[15852.653620]  ret_from_fork+0x1f/0x30
[15852.653763]  
[15852.653888] irq event stamp: 0
[15852.654018] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.654202] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.654458] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.654713] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.654939] ---[ end trace ae76d5b6842aa06a ]---
[15852.655137] ------------[ cut here ]------------
[15852.655291] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.655576] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.657017] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.657280] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.657706] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.658040] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.658284] 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 53 48 8b 05 58 b5 85 01 e8
[15852.668609] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.668804] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.669010] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.669207] RBP: 0000000000000000 R08: ffff9f4e15cc9e50 R09: 0000000000000000
[15852.669410] R10: ffff9f4dede47200 R11: 00000000000005b2 R12: ffff9f4e2d236e70
[15852.669666] R13: ffff9f4ddd4e8960 R14: ffff9f4e15cc9d68 R15: ffff9f4e15cc9e10
[15852.669955] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.670284] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.670489] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.670712] Call Trace:
[15852.670850]  
[15852.670990]  btrfs_run_delayed_refs+0x86/0x210
[15852.671146]  flush_space+0x3c8/0x5f0
[15852.671287]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.671446]  ? lock_release+0x1f0/0x2d0
[15852.671597]  ? _raw_spin_unlock+0x29/0x40
[15852.671747]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.671949]  process_one_work+0x270/0x5a0
[15852.672102]  worker_thread+0x55/0x3c0
[15852.672243]  ? process_one_work+0x5a0/0x5a0
[15852.672392]  kthread+0x174/0x1a0
[15852.672540]  ? set_kthread_struct+0x40/0x40
[15852.672687]  ret_from_fork+0x1f/0x30
[15852.672837]  
[15852.672957] irq event stamp: 0
[15852.673088] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.673272] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.673533] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.673782] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.673978] ---[ end trace ae76d5b6842aa06b ]---
[15852.674180] ------------[ cut here ]------------
[15852.674340] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.674626] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.676277] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.676543] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.676813] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.677005] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.677177] 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 53 48 8b 05 58 b5 85 01 e8
[15852.677714] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.677933] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.678194] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.678424] RBP: 0000000000000000 R08: ffff9f4df1de10f8 R09: 0000000000000000
[15852.678647] R10: ffff9f4e15cc9d00 R11: 000000000003a560 R12: ffff9f4dc7d637e0
[15852.678907] R13: ffff9f4ddd4e8960 R14: ffff9f4df1de1000 R15: ffff9f4df1de10a8
[15852.679110] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.679445] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.679649] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.679858] Call Trace:
[15852.679978]  
[15852.680124]  btrfs_run_delayed_refs+0x86/0x210
[15852.680340]  flush_space+0x3c8/0x5f0
[15852.680498]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.680671]  ? lock_release+0x1f0/0x2d0
[15852.680833]  ? _raw_spin_unlock+0x29/0x40
[15852.681041]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.681224]  process_one_work+0x270/0x5a0
[15852.681383]  worker_thread+0x55/0x3c0
[15852.681543]  ? process_one_work+0x5a0/0x5a0
[15852.681695]  kthread+0x174/0x1a0
[15852.681860]  ? set_kthread_struct+0x40/0x40
[15852.682026]  ret_from_fork+0x1f/0x30
[15852.682182]  
[15852.682297] irq event stamp: 0
[15852.682434] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.682654] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.682964] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.683256] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.683482] ---[ end trace ae76d5b6842aa06c ]---
[15852.683707] ------------[ cut here ]------------
[15852.683897] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.684234] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.685828] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.686175] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.686549] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.686854] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.687132] 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 53 48 8b 05 58 b5 85 01 e8
[15852.687721] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.687922] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.688149] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.688378] RBP: 0000000000000000 R08: ffff9f4df1de10e8 R09: 0000000000000000
[15852.688620] R10: ffff9f4dc7d63700 R11: 000000000000345f R12: ffff9f4df1de0700
[15852.688881] R13: ffff9f4ddd4e8960 R14: ffff9f4df1de1000 R15: ffff9f4df1de10a8
[15852.689110] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.689410] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.689608] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.689840] Call Trace:
[15852.689989]  
[15852.690131]  btrfs_run_delayed_refs+0x86/0x210
[15852.690321]  flush_space+0x3c8/0x5f0
[15852.690490]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.690664]  ? lock_release+0x1f0/0x2d0
[15852.690828]  ? _raw_spin_unlock+0x29/0x40
[15852.691076]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.691320]  process_one_work+0x270/0x5a0
[15852.691600]  worker_thread+0x55/0x3c0
[15852.691756]  ? process_one_work+0x5a0/0x5a0
[15852.691936]  kthread+0x174/0x1a0
[15852.692088]  ? set_kthread_struct+0x40/0x40
[15852.692242]  ret_from_fork+0x1f/0x30
[15852.692399]  
[15852.692544] irq event stamp: 0
[15852.692680] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.692887] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.693170] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.693428] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.694404] ---[ end trace ae76d5b6842aa06d ]---
[15852.694622] ------------[ cut here ]------------
[15852.694800] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.695102] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.696641] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.696919] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.697181] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.697371] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.697550] 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 53 48 8b 05 58 b5 85 01 e8
[15852.698031] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.698200] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.698394] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.698596] RBP: 0000000000000000 R08: ffff9f4df1dd3490 R09: 0000000000000000
[15852.698790] R10: ffff9f4e3ffd3000 R11: 000000000003a560 R12: ffff9f4e15ccd460
[15852.699003] R13: ffff9f4ddd4e8960 R14: ffff9f4df1dd33a8 R15: ffff9f4df1dd3450
[15852.699200] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.699447] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.699624] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.699834] Call Trace:
[15852.699954]  
[15852.700071]  btrfs_run_delayed_refs+0x86/0x210
[15852.700228]  flush_space+0x3c8/0x5f0
[15852.700376]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.700541]  ? lock_release+0x1f0/0x2d0
[15852.700689]  ? _raw_spin_unlock+0x29/0x40
[15852.706571]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.706754]  process_one_work+0x270/0x5a0
[15852.706919]  worker_thread+0x55/0x3c0
[15852.707060]  ? process_one_work+0x5a0/0x5a0
[15852.707207]  kthread+0x174/0x1a0
[15852.707342]  ? set_kthread_struct+0x40/0x40
[15852.707496]  ret_from_fork+0x1f/0x30
[15852.707638]  
[15852.707753] irq event stamp: 0
[15852.707896] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.708080] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.708332] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.708622] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.708817] ---[ end trace ae76d5b6842aa06e ]---
[15852.709024] ------------[ cut here ]------------
[15852.709183] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.709470] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.710934] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.711204] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.711479] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.711692] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.711875] 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 53 48 8b 05 58 b5 85 01 e8
[15852.712339] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.712514] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.712710] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.712923] RBP: 0000000000000000 R08: ffff9f4e15ccc5c8 R09: 0000000000000000
[15852.713120] R10: ffff9f4e3ffd3000 R11: 000000000003a560 R12: ffff9f4dc7d634d0
[15852.713317] R13: ffff9f4ddd4e8960 R14: ffff9f4e15ccc4e0 R15: ffff9f4e15ccc588
[15852.713518] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.713767] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.713956] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.714159] Call Trace:
[15852.714280]  
[15852.714398]  btrfs_run_delayed_refs+0x86/0x210
[15852.714560]  flush_space+0x3c8/0x5f0
[15852.714701]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.714871]  ? lock_release+0x1f0/0x2d0
[15852.715022]  ? _raw_spin_unlock+0x29/0x40
[15852.715174]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.715346]  process_one_work+0x270/0x5a0
[15852.715501]  worker_thread+0x55/0x3c0
[15852.715655]  ? process_one_work+0x5a0/0x5a0
[15852.715826]  kthread+0x174/0x1a0
[15852.715960]  ? set_kthread_struct+0x40/0x40
[15852.716109]  ret_from_fork+0x1f/0x30
[15852.716252]  
[15852.716368] irq event stamp: 0
[15852.716499] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.716685] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.716953] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.717200] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.717384] ---[ end trace ae76d5b6842aa06f ]---
[15852.717581] ------------[ cut here ]------------
[15852.717734] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.718027] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.719553] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.719829] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.720085] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.720277] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.720449] 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 53 48 8b 05 58 b5 85 01 e8
[15852.720971] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.721135] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.721329] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.721565] RBP: 0000000000000000 R08: ffff9f4dd1123aa8 R09: 0000000000000000
[15852.721777] R10: ffff9f4e15ccc400 R11: 0000000000000001 R12: ffff9f4e168cbee0
[15852.722007] R13: ffff9f4ddd4e8960 R14: ffff9f4dd11239c0 R15: ffff9f4dd1123a68
[15852.722272] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.722632] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.722904] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.723188] Call Trace:
[15852.723380]  
[15852.724263]  btrfs_run_delayed_refs+0x86/0x210
[15852.724532]  flush_space+0x3c8/0x5f0
[15852.724741]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.725009]  ? lock_release+0x1f0/0x2d0
[15852.725251]  ? _raw_spin_unlock+0x29/0x40
[15852.725471]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.725676]  process_one_work+0x270/0x5a0
[15852.725851]  worker_thread+0x55/0x3c0
[15852.726009]  ? process_one_work+0x5a0/0x5a0
[15852.726164]  kthread+0x174/0x1a0
[15852.726339]  ? set_kthread_struct+0x40/0x40
[15852.726602]  ret_from_fork+0x1f/0x30
[15852.726895]  
[15852.727070] irq event stamp: 0
[15852.727265] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.727538] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.727931] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.728328] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.728652] ---[ end trace ae76d5b6842aa070 ]---
[15852.728936] ------------[ cut here ]------------
[15852.729164] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.729615] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.731671] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.732064] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.732445] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.732686] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.732897] 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 53 48 8b 05 58 b5 85 01 e8
[15852.733371] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.733550] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.733750] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.733962] RBP: 0000000000000000 R08: ffff9f4e15ccb0e8 R09: 0000000000000000
[15852.734164] R10: ffff9f4e3ffd3000 R11: 000000000003a560 R12: ffff9f4dc7d63150
[15852.734361] R13: ffff9f4ddd4e8960 R14: ffff9f4e15ccb000 R15: ffff9f4e15ccb0a8
[15852.734562] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.734823] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.735001] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.735204] Call Trace:
[15852.735329]  
[15852.735473]  btrfs_run_delayed_refs+0x86/0x210
[15852.735632]  flush_space+0x3c8/0x5f0
[15852.735774]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.735947]  ? lock_release+0x1f0/0x2d0
[15852.736092]  ? _raw_spin_unlock+0x29/0x40
[15852.736243]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.736418]  process_one_work+0x270/0x5a0
[15852.736572]  worker_thread+0x55/0x3c0
[15852.736713]  ? process_one_work+0x5a0/0x5a0
[15852.736876]  kthread+0x174/0x1a0
[15852.737012]  ? set_kthread_struct+0x40/0x40
[15852.737190]  ret_from_fork+0x1f/0x30
[15852.737335]  
[15852.737453] irq event stamp: 0
[15852.737587] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.737772] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.738059] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.738313] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.738504] ---[ end trace ae76d5b6842aa071 ]---
[15852.738698] ------------[ cut here ]------------
[15852.738869] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.744898] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.746337] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.746606] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.746872] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.747069] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.747239] 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 53 48 8b 05 58 b5 85 01 e8
[15852.747772] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.747957] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.748156] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.748356] RBP: 0000000000000000 R08: ffff9f4df1de5368 R09: 0000000000000000
[15852.748559] R10: ffff9f4e15ccb000 R11: 0000000000000001 R12: ffff9f4dc7d630e0
[15852.748760] R13: ffff9f4ddd4e8960 R14: ffff9f4df1de5270 R15: ffff9f4df1de5318
[15852.748971] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.749229] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.749409] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.749620] Call Trace:
[15852.749747]  
[15852.749879]  btrfs_run_delayed_refs+0x86/0x210
[15852.750042]  flush_space+0x3c8/0x5f0
[15852.750240]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.750404]  ? lock_release+0x1f0/0x2d0
[15852.750581]  ? _raw_spin_unlock+0x29/0x40
[15852.750759]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.751000]  process_one_work+0x270/0x5a0
[15852.751155]  worker_thread+0x55/0x3c0
[15852.751300]  ? process_one_work+0x5a0/0x5a0
[15852.751481]  kthread+0x174/0x1a0
[15852.751616]  ? set_kthread_struct+0x40/0x40
[15852.751767]  ret_from_fork+0x1f/0x30
[15852.751922]  
[15852.752041] irq event stamp: 0
[15852.752190] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.752425] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.752704] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.752989] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.753235] ---[ end trace ae76d5b6842aa072 ]---
[15852.753483] ------------[ cut here ]------------
[15852.754416] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.754785] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.756467] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.756829] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.757155] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.757370] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.757578] 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 53 48 8b 05 58 b5 85 01 e8
[15852.758115] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.758349] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.758623] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.758840] RBP: 0000000000000000 R08: ffff9f4df1de40f8 R09: 0000000000000000
[15852.759073] R10: ffff9f4df1de5200 R11: 0000000000002d03 R12: ffff9f4df1de3af0
[15852.759270] R13: ffff9f4ddd4e8960 R14: ffff9f4df1de4000 R15: ffff9f4df1de40a8
[15852.759497] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.759785] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.759979] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.760256] Call Trace:
[15852.760381]  
[15852.760508]  btrfs_run_delayed_refs+0x86/0x210
[15852.760663]  flush_space+0x3c8/0x5f0
[15852.760821]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.761054]  ? lock_release+0x1f0/0x2d0
[15852.761209]  ? _raw_spin_unlock+0x29/0x40
[15852.761355]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.761534]  process_one_work+0x270/0x5a0
[15852.761686]  worker_thread+0x55/0x3c0
[15852.761855]  ? process_one_work+0x5a0/0x5a0
[15852.762065]  kthread+0x174/0x1a0
[15852.762234]  ? set_kthread_struct+0x40/0x40
[15852.762398]  ret_from_fork+0x1f/0x30
[15852.762550]  
[15852.762664] irq event stamp: 0
[15852.762814] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.763075] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.763329] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.763594] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.763776] ---[ end trace ae76d5b6842aa073 ]---
[15852.763995] ------------[ cut here ]------------
[15852.764215] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.764509] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.765955] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.766266] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.766528] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.766723] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.766921] 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 53 48 8b 05 58 b5 85 01 e8
[15852.767493] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.767659] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.767882] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.768129] RBP: 0000000000000000 R08: ffff9f4df1de40e8 R09: 0000000000000000
[15852.768326] R10: ffff9f4df1de3a00 R11: 0000000000002914 R12: ffff9f4df1de3930
[15852.768532] R13: ffff9f4ddd4e8960 R14: ffff9f4df1de4000 R15: ffff9f4df1de40a8
[15852.768731] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.769003] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.769249] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.769477] Call Trace:
[15852.769600]  
[15852.769737]  btrfs_run_delayed_refs+0x86/0x210
[15852.769915]  flush_space+0x3c8/0x5f0
[15852.770120]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.770282]  ? lock_release+0x1f0/0x2d0
[15852.770427]  ? _raw_spin_unlock+0x29/0x40
[15852.770585]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.770760]  process_one_work+0x270/0x5a0
[15852.770935]  worker_thread+0x55/0x3c0
[15852.771139]  ? process_one_work+0x5a0/0x5a0
[15852.771322]  kthread+0x174/0x1a0
[15852.771459]  ? set_kthread_struct+0x40/0x40
[15852.771614]  ret_from_fork+0x1f/0x30
[15852.771755]  
[15852.771891] irq event stamp: 0
[15852.772076] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.772288] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.772555] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.772820] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.773043] ---[ end trace ae76d5b6842aa074 ]---
[15852.773239] ------------[ cut here ]------------
[15852.773400] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.773686] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.775132] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.775478] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.775740] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.775955] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.776174] 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 53 48 8b 05 58 b5 85 01 e8
[15852.782378] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.782586] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.782787] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.783007] RBP: 0000000000000000 R08: ffff9f4df1de2e60 R09: 0000000000000000
[15852.783254] R10: ffff9f4e3ffd3000 R11: 000000000003a560 R12: ffff9f4df1de3690
[15852.783452] R13: ffff9f4ddd4e8960 R14: ffff9f4df1de2d68 R15: ffff9f4df1de2e10
[15852.784438] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.784879] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.785078] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.785281] Call Trace:
[15852.785404]  
[15852.785566]  btrfs_run_delayed_refs+0x86/0x210
[15852.785730]  flush_space+0x3c8/0x5f0
[15852.785904]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.786149]  ? lock_release+0x1f0/0x2d0
[15852.786349]  ? _raw_spin_unlock+0x29/0x40
[15852.786504]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.786758]  process_one_work+0x270/0x5a0
[15852.786933]  worker_thread+0x55/0x3c0
[15852.787133]  ? process_one_work+0x5a0/0x5a0
[15852.787286]  kthread+0x174/0x1a0
[15852.787421]  ? set_kthread_struct+0x40/0x40
[15852.787620]  ret_from_fork+0x1f/0x30
[15852.787763]  
[15852.787901] irq event stamp: 0
[15852.788095] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.788319] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.788581] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.788854] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.789076] ---[ end trace ae76d5b6842aa075 ]---
[15852.789271] ------------[ cut here ]------------
[15852.789429] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.789718] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.791157] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.791509] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.791770] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.791986] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.792204] 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 53 48 8b 05 58 b5 85 01 e8
[15852.792678] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.792871] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.793365] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.793739] RBP: 0000000000000000 R08: ffff9f4df1de2e50 R09: 0000000000000000
[15852.794167] R10: ffff9f4df1de3600 R11: 00000000000028a5 R12: ffff9f4df1de3230
[15852.794522] R13: ffff9f4ddd4e8960 R14: ffff9f4df1de2d68 R15: ffff9f4df1de2e10
[15852.794940] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.795444] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.795852] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.796260] Call Trace:
[15852.796523]  
[15852.796807]  btrfs_run_delayed_refs+0x86/0x210
[15852.797096]  flush_space+0x3c8/0x5f0
[15852.797327]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.797623]  ? lock_release+0x1f0/0x2d0
[15852.797909]  ? _raw_spin_unlock+0x29/0x40
[15852.798183]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.798504]  process_one_work+0x270/0x5a0
[15852.798834]  worker_thread+0x55/0x3c0
[15852.799138]  ? process_one_work+0x5a0/0x5a0
[15852.799459]  kthread+0x174/0x1a0
[15852.799715]  ? set_kthread_struct+0x40/0x40
[15852.799975]  ret_from_fork+0x1f/0x30
[15852.800251]  
[15852.800477] irq event stamp: 0
[15852.800713] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.801053] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.801478] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.801945] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.802258] ---[ end trace ae76d5b6842aa076 ]---
[15852.802617] ------------[ cut here ]------------
[15852.802911] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.803375] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.805514] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.805965] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.806404] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.806708] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.807012] 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 53 48 8b 05 58 b5 85 01 e8
[15852.807745] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.808028] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.808325] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.808611] RBP: 0000000000000000 R08: ffff9f4e15ccbaa8 R09: 0000000000000000
[15852.808947] R10: ffff9f4df1de2d00 R11: 000000000003a560 R12: ffff9f4dc7d63070
[15852.809324] R13: ffff9f4ddd4e8960 R14: ffff9f4e15ccb9c0 R15: ffff9f4e15ccba68
[15852.809653] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.810051] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.810355] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.810738] Call Trace:
[15852.810897]  
[15852.811070]  btrfs_run_delayed_refs+0x86/0x210
[15852.811242]  flush_space+0x3c8/0x5f0
[15852.811385]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.811557]  ? lock_release+0x1f0/0x2d0
[15852.811702]  ? _raw_spin_unlock+0x29/0x40
[15852.811872]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.812126]  process_one_work+0x270/0x5a0
[15852.812307]  worker_thread+0x55/0x3c0
[15852.812449]  ? process_one_work+0x5a0/0x5a0
[15852.812606]  kthread+0x174/0x1a0
[15852.812742]  ? set_kthread_struct+0x40/0x40
[15852.812916]  ret_from_fork+0x1f/0x30
[15852.813120]  
[15852.813265] irq event stamp: 0
[15852.813397] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.814257] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.814578] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.814866] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.815090] ---[ end trace ae76d5b6842aa077 ]---
[15852.815318] ------------[ cut here ]------------
[15852.815547] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.815903] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.817537] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.817811] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.818178] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.818389] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.818565] 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 53 48 8b 05 58 b5 85 01 e8
[15852.819040] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.819211] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.819409] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.819613] RBP: 0000000000000000 R08: ffff9f4e2d230e50 R09: 0000000000000000
[15852.819819] R10: 0000000000000000 R11: 00000000000d0000 R12: ffff9f4e15ccd150
[15852.820017] R13: ffff9f4ddd4e8960 R14: ffff9f4e2d230d68 R15: ffff9f4e2d230e10
[15852.820210] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.820464] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.820639] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.820853] Call Trace:
[15852.821015]  
[15852.821134]  btrfs_run_delayed_refs+0x86/0x210
[15852.821289]  flush_space+0x3c8/0x5f0
[15852.821428]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.821591]  ? lock_release+0x1f0/0x2d0
[15852.821737]  ? _raw_spin_unlock+0x29/0x40
[15852.827637]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.827825]  process_one_work+0x270/0x5a0
[15852.827980]  worker_thread+0x55/0x3c0
[15852.828156]  ? process_one_work+0x5a0/0x5a0
[15852.828304]  kthread+0x174/0x1a0
[15852.828440]  ? set_kthread_struct+0x40/0x40
[15852.828596]  ret_from_fork+0x1f/0x30
[15852.828739]  
[15852.828866] irq event stamp: 0
[15852.829000] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.829183] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.829437] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.829698] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.829892] ---[ end trace ae76d5b6842aa078 ]---
[15852.830087] ------------[ cut here ]------------
[15852.830247] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.830538] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.832004] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.832265] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.832530] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.832721] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.832904] 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 53 48 8b 05 58 b5 85 01 e8
[15852.833377] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.833555] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.833753] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.833965] RBP: 0000000000000000 R08: ffff9f4dede47490 R09: 0000000000000000
[15852.834163] R10: 0000000000000000 R11: 00000000000d0000 R12: ffff9f4e15ccd4d0
[15852.834363] R13: ffff9f4ddd4e8960 R14: ffff9f4dede473a8 R15: ffff9f4dede47450
[15852.834560] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.834820] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.834995] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.835195] Call Trace:
[15852.835316]  
[15852.835433]  btrfs_run_delayed_refs+0x86/0x210
[15852.835593]  flush_space+0x3c8/0x5f0
[15852.835735]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.835906]  ? lock_release+0x1f0/0x2d0
[15852.836054]  ? _raw_spin_unlock+0x29/0x40
[15852.836206]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.836381]  process_one_work+0x270/0x5a0
[15852.836532]  worker_thread+0x55/0x3c0
[15852.836671]  ? process_one_work+0x5a0/0x5a0
[15852.836835]  kthread+0x174/0x1a0
[15852.836972]  ? set_kthread_struct+0x40/0x40
[15852.837122]  ret_from_fork+0x1f/0x30
[15852.837266]  
[15852.837382] irq event stamp: 0
[15852.837514] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.837700] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.837971] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.838222] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.838406] ---[ end trace ae76d5b6842aa079 ]---
[15852.838602] ------------[ cut here ]------------
[15852.838757] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.839050] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.840459] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.840728] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.840998] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.841190] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.841362] 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 53 48 8b 05 58 b5 85 01 e8
[15852.841848] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.842012] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.842205] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.842401] RBP: 0000000000000000 R08: ffff9f4e15ccc970 R09: 0000000000000000
[15852.842597] R10: 0000000000000000 R11: 00000000000d0000 R12: ffff9f4e15ccd850
[15852.842805] R13: ffff9f4ddd4e8960 R14: ffff9f4e15ccc888 R15: ffff9f4e15ccc930
[15852.843004] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.843258] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.843428] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.844253] Call Trace:
[15852.844400]  
[15852.844531]  btrfs_run_delayed_refs+0x86/0x210
[15852.844691]  flush_space+0x3c8/0x5f0
[15852.844847]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.845015]  ? lock_release+0x1f0/0x2d0
[15852.845164]  ? _raw_spin_unlock+0x29/0x40
[15852.845317]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.845531]  process_one_work+0x270/0x5a0
[15852.845689]  worker_thread+0x55/0x3c0
[15852.845853]  ? process_one_work+0x5a0/0x5a0
[15852.846012]  kthread+0x174/0x1a0
[15852.846169]  ? set_kthread_struct+0x40/0x40
[15852.846326]  ret_from_fork+0x1f/0x30
[15852.846488]  
[15852.846619] irq event stamp: 0
[15852.846754] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.846955] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.847232] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.847493] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.847675] ---[ end trace ae76d5b6842aa07a ]---
[15852.847879] ------------[ cut here ]------------
[15852.848039] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.848323] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.849735] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.850010] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.850267] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.850467] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.850638] 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 53 48 8b 05 58 b5 85 01 e8
[15852.851106] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.851275] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.851476] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.851675] RBP: 0000000000000000 R08: ffff9f4dc4847d18 R09: 0000000000000000
[15852.851885] R10: 0000000000000000 R11: 00000000000d0000 R12: ffff9f4dc5a06c30
[15852.852086] R13: ffff9f4ddd4e8960 R14: ffff9f4dc4847c30 R15: ffff9f4dc4847cd8
[15852.852284] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.852536] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.852710] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.852925] Call Trace:
[15852.853050]  
[15852.853166]  btrfs_run_delayed_refs+0x86/0x210
[15852.853321]  flush_space+0x3c8/0x5f0
[15852.853468]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.853628]  ? lock_release+0x1f0/0x2d0
[15852.853773]  ? _raw_spin_unlock+0x29/0x40
[15852.854019]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.854260]  process_one_work+0x270/0x5a0
[15852.854431]  worker_thread+0x55/0x3c0
[15852.854657]  ? process_one_work+0x5a0/0x5a0
[15852.854933]  kthread+0x174/0x1a0
[15852.855070]  ? set_kthread_struct+0x40/0x40
[15852.855220]  ret_from_fork+0x1f/0x30
[15852.855364]  
[15852.855509] irq event stamp: 0
[15852.855681] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.855932] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.856223] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.856506] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.856751] ---[ end trace ae76d5b6842aa07b ]---
[15852.857066] ------------[ cut here ]------------
[15852.857225] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.864087] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.865795] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.866064] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.866319] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.866518] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.866693] 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 53 48 8b 05 58 b5 85 01 e8
[15852.867164] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.867330] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.867534] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.867733] RBP: 0000000000000000 R08: ffff9f4dc4847aa8 R09: 0000000000000000
[15852.867944] R10: ffff9f4dc4847c30 R11: ffff9f4e04a3fe08 R12: ffff9f4dc5a062d8
[15852.868144] R13: ffff9f4ddd4e8960 R14: ffff9f4dc48479c0 R15: ffff9f4dc4847a68
[15852.868344] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.868598] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.868773] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.868984] Call Trace:
[15852.869110]  
[15852.869227]  btrfs_run_delayed_refs+0x86/0x210
[15852.869382]  flush_space+0x3c8/0x5f0
[15852.869527]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.869685]  ? lock_release+0x1f0/0x2d0
[15852.869842]  ? _raw_spin_unlock+0x29/0x40
[15852.869994]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.870169]  process_one_work+0x270/0x5a0
[15852.870320]  worker_thread+0x55/0x3c0
[15852.870464]  ? process_one_work+0x5a0/0x5a0
[15852.870616]  kthread+0x174/0x1a0
[15852.870752]  ? set_kthread_struct+0x40/0x40
[15852.870913]  ret_from_fork+0x1f/0x30
[15852.871056]  
[15852.871173] irq event stamp: 0
[15852.871302] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.871487] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.871743] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.872004] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.872191] ---[ end trace ae76d5b6842aa07c ]---
[15852.872453] ------------[ cut here ]------------
[15852.872618] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.872910] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.875212] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.875506] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.875844] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.876036] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.876209] 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 53 48 8b 05 58 b5 85 01 e8
[15852.876743] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.876924] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.877123] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.877316] RBP: ffff9f4e0a317940 R08: ffff9f4dc48470f8 R09: 0000000000000000
[15852.877516] R10: ffff9f4dc48479c0 R11: ffff9f4e04a3fe08 R12: ffff9f4dc5a067b8
[15852.877711] R13: ffff9f4ddd4e8960 R14: ffff9f4dc4847000 R15: ffff9f4dc48470a8
[15852.877922] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.878190] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.878389] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.878588] Call Trace:
[15852.878706]  
[15852.878838]  btrfs_run_delayed_refs+0x86/0x210
[15852.878998]  flush_space+0x3c8/0x5f0
[15852.879136]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.879294]  ? lock_release+0x1f0/0x2d0
[15852.879440]  ? _raw_spin_unlock+0x29/0x40
[15852.879593]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.879763]  process_one_work+0x270/0x5a0
[15852.879922]  worker_thread+0x55/0x3c0
[15852.880068]  ? process_one_work+0x5a0/0x5a0
[15852.880219]  kthread+0x174/0x1a0
[15852.880352]  ? set_kthread_struct+0x40/0x40
[15852.880506]  ret_from_fork+0x1f/0x30
[15852.880650]  
[15852.880764] irq event stamp: 0
[15852.880945] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.881132] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.881383] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.881642] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.881834] ---[ end trace ae76d5b6842aa07d ]---
[15852.882061] ------------[ cut here ]------------
[15852.882219] WARNING: CPU: 0 PID: 2484613 at fs/btrfs/extent-tree.c:1715 __btrfs_run_delayed_refs+0xaf3/0x1260
[15852.882510] 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 ip_set rfkill nf_tables nfnetlink xfs iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec intel_rapl_common snd_hwdep i2c_i801 i2c_smbus lpc_ich snd_hda_core snd_pcm snd_timer snd soundcore virtio_balloon joydev zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_blk qemu_fw_cfg
[15852.883945] CPU: 0 PID: 2484613 Comm: kworker/u4:8 Tainted: G        W         5.16.0-rc4+ #531
[15852.884212] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[15852.884468] Workqueue: events_unbound btrfs_async_reclaim_metadata_space
[15852.884663] RIP: 0010:__btrfs_run_delayed_refs+0xaf3/0x1260
[15852.884849] 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 53 48 8b 05 58 b5 85 01 e8
[15852.885308] RSP: 0018:ffffc1b040a07c28 EFLAGS: 00010202
[15852.885476] RAX: 000000000000000d RBX: ffff9f4dd64fa800 RCX: 0000000000000000
[15852.885675] RDX: 0000000000000001 RSI: ffffffffac5b5d6a RDI: 00000000ffffffff
[15852.885926] RBP: ffff9f4e0a317e80 R08: ffff9f4dc4847230 R09: 0000000000000000
[15852.886157] R10: ffff9f4dc4847000 R11: ffff9f4e04a3fe08 R12: ffff9f4dc5a065b0
[15852.886355] R13: ffff9f4ddd4e8960 R14: ffff9f4dc4847138 R15: ffff9f4dc48471e0
[15852.886557] FS:  0000000000000000(0000) GS:ffff9f4e3bc00000(0000) knlGS:0000000000000000
[15852.886824] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[15852.886996] CR2: 000055a097869130 CR3: 0000000116366006 CR4: 0000000000370ef0
[15852.887197] Call Trace:
[15852.887318]  
[15852.887437]  btrfs_run_delayed_refs+0x86/0x210
[15852.887593]  flush_space+0x3c8/0x5f0
[15852.887734]  ? rcu_read_lock_sched_held+0x12/0x60
[15852.887908]  ? lock_release+0x1f0/0x2d0
[15852.888053]  ? _raw_spin_unlock+0x29/0x40
[15852.888202]  btrfs_async_reclaim_metadata_space+0x139/0x320
[15852.888376]  process_one_work+0x270/0x5a0
[15852.888529]  worker_thread+0x55/0x3c0
[15852.888713]  ? process_one_work+0x5a0/0x5a0
[15852.888875]  kthread+0x174/0x1a0
[15852.889037]  ? set_kthread_struct+0x40/0x40
[15852.889195]  ret_from_fork+0x1f/0x30
[15852.889344]  
[15852.889471] irq event stamp: 0
[15852.889619] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[15852.889812] hardirqs last disabled at (0): [] copy_process+0x862/0x20e0
[15852.890127] softirqs last  enabled at (0): [] copy_process+0x862/0x20e0
[15852.890685] softirqs last disabled at (0): [<0000000000000000>] 0x0
[15852.891052] ---[ end trace ae76d5b6842aa07e ]---
[15852.926550] BTRFS info (device dm-9): flagging fs with big metadata feature
[15852.926777] BTRFS info (device dm-9): using free space tree
[15852.926974] BTRFS info (device dm-9): has skinny extents
[15852.928944] BTRFS info (device dm-9): start tree-log replay
[15852.985776] loop0: detected capacity change from 0 to 6629376
[15852.998573] BTRFS info (device loop0): flagging fs with big metadata feature
[15852.998814] BTRFS info (device loop0): using free space tree
[15852.998991] BTRFS info (device loop0): has skinny extents
[15853.002602] BTRFS info (device loop0): enabling ssd optimizations