[35927.080079] run fstests btrfs/159 at 2020-10-23 21:54:45
[35927.472765] BTRFS info (device dm-0): disk space caching is enabled
[35927.472769] BTRFS info (device dm-0): has skinny extents
[35927.897897] BTRFS: device fsid 4a44c09d-b497-40da-a70e-fd34cf23fcf6 devid 1 transid 5 /dev/mapper/vg0-lv9 scanned by mkfs.btrfs (441806)
[35928.020029] BTRFS info (device dm-11): disk space caching is enabled
[35928.020032] BTRFS info (device dm-11): has skinny extents
[35928.020034] BTRFS info (device dm-11): flagging fs with big metadata feature
[35928.024479] BTRFS info (device dm-11): checking UUID tree
[35935.265692] BTRFS info (device dm-11): devid 1 device path /dev/mapper/flakey-test changed to /dev/dm-11 scanned by systemd-udevd (443519)
[35935.267638] BTRFS info (device dm-11): devid 1 device path /dev/dm-11 changed to /dev/mapper/flakey-test scanned by systemd-udevd (443519)
[35935.569776] BTRFS info (device dm-11): disk space caching is enabled
[35935.569780] BTRFS info (device dm-11): has skinny extents
[35935.574583] BTRFS info (device dm-11): start tree-log replay
[35935.618175] ------------[ cut here ]------------
[35935.618187] WARNING: CPU: 0 PID: 443531 at fs/btrfs/inode.c:1618 run_delalloc_nocow+0x46e/0x970
[35935.618189] Modules linked in: dm_dust dm_flakey loop nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_core snd_pcm snd_timer intel_rapl_common snd i2c_i801 i2c_smbus virtio_balloon soundcore joydev lpc_ich zram ip_tables xfs crct10dif_pclmul crc32_pclmul qxl crc32c_intel drm_ttm_helper ttm drm_kms_helper ghash_clmulni_intel cec drm serio_raw virtio_blk qemu_fw_cfg
[35935.618228] CPU: 0 PID: 443531 Comm: mount Not tainted 5.9.0-rc8+ #136
[35935.618230] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[35935.618233] RIP: 0010:run_delalloc_nocow+0x46e/0x970
[35935.618236] Code: 68 fd fd ff 4c 8b 54 24 40 4c 8b 5c 24 48 85 c0 41 89 c7 0f 84 dd 01 00 00 0f 88 4b 01 00 00 80 7c 24 6e 00 0f 84 39 fd ff ff <0f> 0b e9 32 fd ff ff 48 89 df e8 43 28 fd ff 4c 3b 24 24 77 12 48
[35935.618237] RSP: 0018:ffffbe2fc149f5e8 EFLAGS: 00010202
[35935.618239] RAX: 0000000000000001 RBX: ffff9b20ddfc4a80 RCX: 0000000000a26a6a
[35935.618241] RDX: ffff9b20f418b080 RSI: ffffffffa0ca2620 RDI: 0000000000000246
[35935.618243] RBP: 000000000000f400 R08: 0000000000000000 R09: 0000000000000001
[35935.618244] R10: 0000000000040000 R11: 0000000000040000 R12: 0000000000000000
[35935.618246] R13: 0000000000000101 R14: 000000001e550000 R15: 0000000000000001
[35935.618248] FS:  00007fe1cb058c40(0000) GS:ffff9b20fbc00000(0000) knlGS:0000000000000000
[35935.618249] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[35935.618251] CR2: 000055cf8f402010 CR3: 000000017357a005 CR4: 0000000000370ef0
[35935.618254] Call Trace:
[35935.618269]  ? lock_extent_bits+0x4e/0x270
[35935.618276]  btrfs_run_delalloc_range+0x60/0x6a0
[35935.618281]  ? find_lock_delalloc_range+0x1e5/0x210
[35935.618287]  writepage_delalloc+0x9e/0x150
[35935.618294]  __extent_writepage+0xf0/0x380
[35935.618301]  extent_write_cache_pages.constprop.0+0x24e/0x420
[35935.618317]  extent_writepages+0x33/0x90
[35935.618322]  do_writepages+0x28/0xb0
[35935.618327]  ? _raw_spin_unlock+0x1f/0x30
[35935.618330]  ? wbc_attach_and_unlock_inode+0x13f/0x290
[35935.618334]  __filemap_fdatawrite_range+0xa7/0xe0
[35935.618342]  btrfs_fdatawrite_range+0x1b/0x43
[35935.618347]  __btrfs_write_out_cache+0x40f/0x460
[35935.618356]  btrfs_write_out_cache+0x7a/0xf0
[35935.618362]  btrfs_start_dirty_block_groups+0x210/0x4d0
[35935.618367]  ? __mutex_unlock_slowpath+0x35/0x270
[35935.618409]  btrfs_commit_transaction+0xbc/0xb20
[35935.618413]  ? btrfs_recover_log_trees+0x317/0x350
[35935.618418]  ? rcu_read_lock_sched_held+0x3f/0x80
[35935.618421]  ? btrfs_recover_log_trees+0x317/0x350
[35935.618425]  ? kmem_cache_free+0x448/0x4b0
[35935.618428]  ? _raw_spin_unlock+0x1f/0x30
[35935.618437]  btrfs_recover_log_trees+0x31f/0x350
[35935.618446]  ? replay_one_extent+0x730/0x730
[35935.618452]  open_ctree+0x1430/0x1915
[35935.618465]  btrfs_mount_root.cold+0x12/0xea
[35935.618471]  ? rcu_read_lock_sched_held+0x3f/0x80
[35935.618474]  ? vfs_parse_fs_string+0x74/0x90
[35935.618478]  ? kfree+0x369/0x440
[35935.618487]  legacy_get_tree+0x30/0x50
[35935.618491]  vfs_get_tree+0x28/0xc0
[35935.618497]  vfs_kern_mount.part.0+0x71/0xb0
[35935.618502]  btrfs_mount+0x10d/0x379
[35935.618507]  ? rcu_read_lock_sched_held+0x3f/0x80
[35935.618510]  ? vfs_parse_fs_string+0x74/0x90
[35935.618512]  ? kfree+0x369/0x440
[35935.618521]  legacy_get_tree+0x30/0x50
[35935.618525]  vfs_get_tree+0x28/0xc0
[35935.618528]  ? capable+0x3a/0x60
[35935.618533]  path_mount+0x429/0xc10
[35935.618543]  __x64_sys_mount+0xe3/0x120
[35935.618551]  do_syscall_64+0x33/0x40
[35935.618554]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[35935.618558] RIP: 0033:0x7fe1cb28a81e
[35935.618562] Code: 48 8b 0d 5d 26 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 2a 26 0c 00 f7 d8 64 89 01 48
[35935.618564] RSP: 002b:00007ffe7ae08bd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[35935.618567] RAX: ffffffffffffffda RBX: 00007ffe7ae08d50 RCX: 00007fe1cb28a81e
[35935.618569] RDX: 0000557aed541b90 RSI: 0000557aed541bd0 RDI: 0000557aed541bb0
[35935.618571] RBP: 0000557aed541960 R08: 0000000000000000 R09: 00007fe1cb34da60
[35935.618573] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[35935.618575] R13: 0000557aed541bb0 R14: 0000557aed541b90 R15: 0000557aed541960
[35935.618595] irq event stamp: 55293
[35935.618599] hardirqs last  enabled at (55299): [] console_unlock+0x530/0x650
[35935.618601] hardirqs last disabled at (55304): [] console_unlock+0x490/0x650
[35935.618605] softirqs last  enabled at (55080): [] asm_call_irq_on_stack+0xf/0x20
[35935.618608] softirqs last disabled at (55071): [] asm_call_irq_on_stack+0xf/0x20
[35935.618611] ---[ end trace f9b8d4c3c68d001c ]---
[35935.618629] ------------[ cut here ]------------
[35935.618633] WARNING: CPU: 0 PID: 443531 at fs/btrfs/inode.c:998 cow_file_range+0x305/0x430
[35935.618635] Modules linked in: dm_dust dm_flakey loop nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_core snd_pcm snd_timer intel_rapl_common snd i2c_i801 i2c_smbus virtio_balloon soundcore joydev lpc_ich zram ip_tables xfs crct10dif_pclmul crc32_pclmul qxl crc32c_intel drm_ttm_helper ttm drm_kms_helper ghash_clmulni_intel cec drm serio_raw virtio_blk qemu_fw_cfg
[35935.618668] CPU: 0 PID: 443531 Comm: mount Tainted: G        W         5.9.0-rc8+ #136
[35935.618670] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[35935.618673] RIP: 0010:cow_file_range+0x305/0x430
[35935.618676] Code: e7 e8 6f f0 01 00 8b 44 24 08 41 89 c6 eb 27 48 85 c0 0f 85 a7 00 00 00 49 8b 94 24 f8 04 00 00 48 83 fa 01 0f 84 44 fd ff ff <0f> 0b 48 89 2c 24 41 be ea ff ff ff 48 8b 4c 24 10 48 8b 54 24 20
[35935.618679] RSP: 0018:ffffbe2fc149f4d0 EFLAGS: 00010206
[35935.618682] RAX: 0000000000000101 RBX: 0000000000040000 RCX: ffff9b20e2a80000
[35935.618685] RDX: 0000000000000101 RSI: fffff03bc4a25bc0 RDI: ffff9b20f7782b98
[35935.618687] RBP: 0000000000000000 R08: ffffbe2fc149f774 R09: ffffbe2fc149f7d0
[35935.618690] R10: 0000000000000000 R11: ffff9b20f418b080 R12: ffff9b20f7782b98
[35935.618692] R13: ffff9b20e2600000 R14: ffff9b20e2600000 R15: 0000000000000001
[35935.618695] FS:  00007fe1cb058c40(0000) GS:ffff9b20fbc00000(0000) knlGS:0000000000000000
[35935.618697] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[35935.618699] CR2: 000055cf8f402010 CR3: 000000017357a005 CR4: 0000000000370ef0
[35935.618704] Call Trace:
[35935.618721]  fallback_to_cow+0xc8/0x410
[35935.618730]  ? _raw_spin_unlock+0x1f/0x30
[35935.618740]  run_delalloc_nocow+0x4c6/0x970
[35935.618754]  ? lock_extent_bits+0x4e/0x270
[35935.618765]  btrfs_run_delalloc_range+0x60/0x6a0
[35935.618772]  ? find_lock_delalloc_range+0x1e5/0x210
[35935.618783]  writepage_delalloc+0x9e/0x150
[35935.618794]  __extent_writepage+0xf0/0x380
[35935.618804]  extent_write_cache_pages.constprop.0+0x24e/0x420
[35935.618827]  extent_writepages+0x33/0x90
[35935.618833]  do_writepages+0x28/0xb0
[35935.618837]  ? _raw_spin_unlock+0x1f/0x30
[35935.618841]  ? wbc_attach_and_unlock_inode+0x13f/0x290
[35935.618847]  __filemap_fdatawrite_range+0xa7/0xe0
[35935.618860]  btrfs_fdatawrite_range+0x1b/0x43
[35935.618866]  __btrfs_write_out_cache+0x40f/0x460
[35935.618883]  btrfs_write_out_cache+0x7a/0xf0
[35935.618892]  btrfs_start_dirty_block_groups+0x210/0x4d0
[35935.618900]  ? __mutex_unlock_slowpath+0x35/0x270
[35935.618909]  btrfs_commit_transaction+0xbc/0xb20
[35935.618913]  ? btrfs_recover_log_trees+0x317/0x350
[35935.618919]  ? rcu_read_lock_sched_held+0x3f/0x80
[35935.618922]  ? btrfs_recover_log_trees+0x317/0x350
[35935.618925]  ? kmem_cache_free+0x448/0x4b0
[35935.618928]  ? _raw_spin_unlock+0x1f/0x30
[35935.618938]  btrfs_recover_log_trees+0x31f/0x350
[35935.618948]  ? replay_one_extent+0x730/0x730
[35935.618955]  open_ctree+0x1430/0x1915
[35935.618969]  btrfs_mount_root.cold+0x12/0xea
[35935.618976]  ? rcu_read_lock_sched_held+0x3f/0x80
[35935.618979]  ? vfs_parse_fs_string+0x74/0x90
[35935.618982]  ? kfree+0x369/0x440
[35935.618992]  legacy_get_tree+0x30/0x50
[35935.618996]  vfs_get_tree+0x28/0xc0
[35935.619001]  vfs_kern_mount.part.0+0x71/0xb0
[35935.619006]  btrfs_mount+0x10d/0x379
[35935.619012]  ? rcu_read_lock_sched_held+0x3f/0x80
[35935.619014]  ? vfs_parse_fs_string+0x74/0x90
[35935.619016]  ? kfree+0x369/0x440
[35935.619023]  legacy_get_tree+0x30/0x50
[35935.619026]  vfs_get_tree+0x28/0xc0
[35935.619027]  ? capable+0x3a/0x60
[35935.619031]  path_mount+0x429/0xc10
[35935.619037]  __x64_sys_mount+0xe3/0x120
[35935.619043]  do_syscall_64+0x33/0x40
[35935.619045]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[35935.619048] RIP: 0033:0x7fe1cb28a81e
[35935.619050] Code: 48 8b 0d 5d 26 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 2a 26 0c 00 f7 d8 64 89 01 48
[35935.619052] RSP: 002b:00007ffe7ae08bd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[35935.619054] RAX: ffffffffffffffda RBX: 00007ffe7ae08d50 RCX: 00007fe1cb28a81e
[35935.619055] RDX: 0000557aed541b90 RSI: 0000557aed541bd0 RDI: 0000557aed541bb0
[35935.619057] RBP: 0000557aed541960 R08: 0000000000000000 R09: 00007fe1cb34da60
[35935.619058] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[35935.619060] R13: 0000557aed541bb0 R14: 0000557aed541b90 R15: 0000557aed541960
[35935.619071] irq event stamp: 55877
[35935.619073] hardirqs last  enabled at (55883): [] console_unlock+0x530/0x650
[35935.619075] hardirqs last disabled at (55888): [] console_unlock+0x490/0x650
[35935.619077] softirqs last  enabled at (55080): [] asm_call_irq_on_stack+0xf/0x20
[35935.619079] softirqs last disabled at (55071): [] asm_call_irq_on_stack+0xf/0x20
[35935.619081] ---[ end trace f9b8d4c3c68d001d ]---
[35935.623826] ------------[ cut here ]------------
[35935.623833] WARNING: CPU: 0 PID: 443531 at fs/btrfs/inode.c:1647 run_delalloc_nocow+0x6ce/0x970
[35935.623835] Modules linked in: dm_dust dm_flakey loop nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_core snd_pcm snd_timer intel_rapl_common snd i2c_i801 i2c_smbus virtio_balloon soundcore joydev lpc_ich zram ip_tables xfs crct10dif_pclmul crc32_pclmul qxl crc32c_intel drm_ttm_helper ttm drm_kms_helper ghash_clmulni_intel cec drm serio_raw virtio_blk qemu_fw_cfg
[35935.623876] CPU: 0 PID: 443531 Comm: mount Tainted: G        W         5.9.0-rc8+ #136
[35935.623879] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[35935.623883] RIP: 0010:run_delalloc_nocow+0x6ce/0x970
[35935.623886] Code: e8 27 92 ff ff 4c 8b 54 24 50 4c 8b 9c 24 80 00 00 00 85 c0 41 89 c7 74 49 0f 88 0b fe ff ff 80 7c 24 6e 00 0f 84 d9 fa ff ff <0f> 0b e9 d2 fa ff ff 48 8b 4c 24 38 48 8b 14 24 41 b9 0f 00 00 00
[35935.623889] RSP: 0018:ffffbe2fc149f5e8 EFLAGS: 00010202
[35935.623892] RAX: 0000000000000001 RBX: ffff9b20ddfc49a0 RCX: 00000000016a7dce
[35935.623894] RDX: 00000000016a7dcd RSI: ae2db74fc5192bcf RDI: 00000000000310a0
[35935.623896] RBP: 000000000000f400 R08: 0000000000000001 R09: 0000000000000001
[35935.623899] R10: 0000000000040000 R11: 0000000000040000 R12: 0000000000000000
[35935.623901] R13: 0000000000000101 R14: 000000001e550000 R15: 0000000000000001
[35935.623905] FS:  00007fe1cb058c40(0000) GS:ffff9b20fbc00000(0000) knlGS:0000000000000000
[35935.623907] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[35935.623910] CR2: 000055cf8f402010 CR3: 000000017357a005 CR4: 0000000000370ef0
[35935.623914] Call Trace:
[35935.623940]  btrfs_run_delalloc_range+0x60/0x6a0
[35935.623949]  ? find_lock_delalloc_range+0x1e5/0x210
[35935.623960]  writepage_delalloc+0x9e/0x150
[35935.623971]  __extent_writepage+0xf0/0x380
[35935.623982]  extent_write_cache_pages.constprop.0+0x24e/0x420
[35935.624009]  extent_writepages+0x33/0x90
[35935.624016]  do_writepages+0x28/0xb0
[35935.624022]  ? _raw_spin_unlock+0x1f/0x30
[35935.624026]  ? wbc_attach_and_unlock_inode+0x13f/0x290
[35935.624032]  __filemap_fdatawrite_range+0xa7/0xe0
[35935.624046]  btrfs_fdatawrite_range+0x1b/0x43
[35935.624053]  __btrfs_write_out_cache+0x40f/0x460
[35935.624069]  btrfs_write_out_cache+0x7a/0xf0
[35935.624077]  btrfs_start_dirty_block_groups+0x210/0x4d0
[35935.624092]  btrfs_commit_transaction+0xbc/0xb20
[35935.624096]  ? btrfs_recover_log_trees+0x317/0x350
[35935.624102]  ? rcu_read_lock_sched_held+0x3f/0x80
[35935.624105]  ? btrfs_recover_log_trees+0x317/0x350
[35935.624108]  ? kmem_cache_free+0x448/0x4b0
[35935.624111]  ? _raw_spin_unlock+0x1f/0x30
[35935.624121]  btrfs_recover_log_trees+0x31f/0x350
[35935.624132]  ? replay_one_extent+0x730/0x730
[35935.624140]  open_ctree+0x1430/0x1915
[35935.624158]  btrfs_mount_root.cold+0x12/0xea
[35935.624172]  ? rcu_read_lock_sched_held+0x3f/0x80
[35935.624176]  ? vfs_parse_fs_string+0x74/0x90
[35935.624179]  ? kfree+0x369/0x440
[35935.624190]  legacy_get_tree+0x30/0x50
[35935.624195]  vfs_get_tree+0x28/0xc0
[35935.624201]  vfs_kern_mount.part.0+0x71/0xb0
[35935.624207]  btrfs_mount+0x10d/0x379
[35935.624212]  ? rcu_read_lock_sched_held+0x3f/0x80
[35935.624215]  ? vfs_parse_fs_string+0x74/0x90
[35935.624218]  ? kfree+0x369/0x440
[35935.624228]  legacy_get_tree+0x30/0x50
[35935.624232]  vfs_get_tree+0x28/0xc0
[35935.624235]  ? capable+0x3a/0x60
[35935.624240]  path_mount+0x429/0xc10
[35935.624252]  __x64_sys_mount+0xe3/0x120
[35935.624260]  do_syscall_64+0x33/0x40
[35935.624264]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[35935.624268] RIP: 0033:0x7fe1cb28a81e
[35935.624272] Code: 48 8b 0d 5d 26 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 2a 26 0c 00 f7 d8 64 89 01 48
[35935.624275] RSP: 002b:00007ffe7ae08bd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[35935.624278] RAX: ffffffffffffffda RBX: 00007ffe7ae08d50 RCX: 00007fe1cb28a81e
[35935.624281] RDX: 0000557aed541b90 RSI: 0000557aed541bd0 RDI: 0000557aed541bb0
[35935.624283] RBP: 0000557aed541960 R08: 0000000000000000 R09: 00007fe1cb34da60
[35935.624286] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[35935.624288] R13: 0000557aed541bb0 R14: 0000557aed541b90 R15: 0000557aed541960
[35935.624307] irq event stamp: 60315
[35935.624311] hardirqs last  enabled at (60321): [] console_unlock+0x530/0x650
[35935.624314] hardirqs last disabled at (60326): [] console_unlock+0x490/0x650
[35935.624318] softirqs last  enabled at (59150): [] asm_call_irq_on_stack+0xf/0x20
[35935.624321] softirqs last disabled at (58649): [] asm_call_irq_on_stack+0xf/0x20
[35935.624323] ---[ end trace f9b8d4c3c68d001e ]---
[35937.246474] ------------[ cut here ]------------
[35937.246482] WARNING: CPU: 0 PID: 443553 at fs/btrfs/block-group.c:3377 btrfs_free_block_groups+0x25d/0x2f0
[35937.246484] Modules linked in: dm_dust dm_flakey loop nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_tables nft_compat rfkill ip_set nf_tables nfnetlink snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep iTCO_wdt iTCO_vendor_support intel_rapl_msr snd_hda_core snd_pcm snd_timer intel_rapl_common snd i2c_i801 i2c_smbus virtio_balloon soundcore joydev lpc_ich zram ip_tables xfs crct10dif_pclmul crc32_pclmul qxl crc32c_intel drm_ttm_helper ttm drm_kms_helper ghash_clmulni_intel cec drm serio_raw virtio_blk qemu_fw_cfg
[35937.246521] CPU: 0 PID: 443553 Comm: umount Tainted: G        W         5.9.0-rc8+ #136
[35937.246523] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[35937.246526] RIP: 0010:btrfs_free_block_groups+0x25d/0x2f0
[35937.246529] Code: ad de 49 be 22 01 00 00 00 00 ad de e8 1c 89 6e 00 48 89 df e8 d4 95 ff ff 48 8b 83 00 11 00 00 49 39 c5 75 54 e9 86 00 00 00 <0f> 0b 31 c9 31 d2 4c 89 e6 48 89 df e8 c2 85 ff ff 48 83 7d 40 00
[35937.246531] RSP: 0018:ffffbe2fc1a77df8 EFLAGS: 00010206
[35937.246534] RAX: ffff9b20f2e63cf8 RBX: ffff9b20e2600000 RCX: ffffbe2fc1a77d54
[35937.246536] RDX: ffff9b20f418b080 RSI: ffff9b20f2e61818 RDI: ffff9b20f2e61800
[35937.246539] RBP: ffff9b20f2e63cf8 R08: 0000000000000000 R09: 3390cd5000000000
[35937.246541] R10: 0000000000000000 R11: ffff9b20f418b080 R12: ffff9b20f2e63c00
[35937.246544] R13: ffff9b20e2601100 R14: dead000000000122 R15: dead000000000100
[35937.246547] FS:  00007fdf91d86c40(0000) GS:ffff9b20fbc00000(0000) knlGS:0000000000000000
[35937.246549] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[35937.246551] CR2: 00007fdf9203f313 CR3: 0000000166e5c005 CR4: 0000000000370ef0
[35937.246556] Call Trace:
[35937.246566]  close_ctree+0x2c5/0x306
[35937.246572]  ? fsnotify_destroy_marks+0x14/0xff
[35937.246580]  generic_shutdown_super+0x6c/0x100
[35937.246585]  kill_anon_super+0x14/0x30
[35937.246589]  btrfs_kill_super+0x12/0x20
[35937.246592]  deactivate_locked_super+0x36/0xa0
[35937.246597]  cleanup_mnt+0x12d/0x190
[35937.246604]  task_work_run+0x5c/0xa0
[35937.246610]  exit_to_user_mode_prepare+0x1ae/0x1d0
[35937.246615]  syscall_exit_to_user_mode+0x58/0x2a0
[35937.246621]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[35937.246624] RIP: 0033:0x7fdf91fb7b7b
[35937.246628] Code: 33 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 90 f3 0f 1e fa 31 f6 e9 05 00 00 00 0f 1f 44 00 00 f3 0f 1e fa b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 05 c3 0f 1f 40 00 48 8b 15 c9 32 0c 00 f7 d8
[35937.246630] RSP: 002b:00007ffc40702168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[35937.246633] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fdf91fb7b7b
[35937.246635] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00005602212ecb90
[35937.246638] RBP: 00005602212ec960 R08: 0000000000000000 R09: 00007ffc40700ee0
[35937.246640] R10: 00007fdf9203efc0 R11: 0000000000000246 R12: 0000000000000000
[35937.246642] R13: 00005602212ecb90 R14: 00005602212eca70 R15: 00005602212ec960
[35937.246660] irq event stamp: 298955
[35937.246663] hardirqs last  enabled at (298961): [] console_unlock+0x530/0x650
[35937.246666] hardirqs last disabled at (298966): [] console_unlock+0x490/0x650
[35937.246670] softirqs last  enabled at (298454): [] asm_call_irq_on_stack+0xf/0x20
[35937.246673] softirqs last disabled at (298427): [] asm_call_irq_on_stack+0xf/0x20
[35937.246675] ---[ end trace f9b8d4c3c68d001f ]---
[35937.247319] BTRFS info (device dm-11): space_info 1 has 863170560 free, is not full
[35937.247347] BTRFS info (device dm-11): space_info total=1082130432, used=218435584, pinned=0, reserved=0, may_use=524288, readonly=0
[35937.247370] BTRFS info (device dm-11): global_block_rsv: size 0 reserved 0
[35937.247426] BTRFS info (device dm-11): trans_block_rsv: size 0 reserved 0
[35937.247430] BTRFS info (device dm-11): chunk_block_rsv: size 0 reserved 0
[35937.247433] BTRFS info (device dm-11): delayed_block_rsv: size 0 reserved 0
[35937.247436] BTRFS info (device dm-11): delayed_refs_rsv: size 0 reserved 0
[35937.520283] BTRFS: device fsid 1584bfcc-f421-42c3-b427-75bc072d895a devid 1 transid 5 /dev/mapper/vg0-lv9 scanned by mkfs.btrfs (443561)
[35937.630030] BTRFS info (device dm-11): disk space caching is enabled
[35937.630033] BTRFS info (device dm-11): has skinny extents
[35937.630035] BTRFS info (device dm-11): flagging fs with big metadata feature
[35937.633733] BTRFS info (device dm-11): checking UUID tree
[35944.349054] BTRFS info (device dm-11): devid 1 device path /dev/mapper/flakey-test changed to /dev/dm-11 scanned by systemd-udevd (445275)
[35944.350169] BTRFS info (device dm-11): devid 1 device path /dev/dm-11 changed to /dev/mapper/flakey-test scanned by systemd-udevd (445275)
[35944.612371] BTRFS info (device dm-11): disk space caching is enabled
[35944.612375] BTRFS info (device dm-11): has skinny extents
[35944.616342] BTRFS info (device dm-11): start tree-log replay