[ 4198.272288] run fstests btrfs/101 at 2021-03-01 22:00:01
[ 4198.532840] BTRFS info (device dm-0): using free space tree
[ 4198.533202] BTRFS info (device dm-0): has skinny extents
[ 4198.778646] dm-9: detected capacity change from 0 to 20971520
[ 4198.996324] BTRFS: device fsid cae17a92-4cb4-47c2-aef2-ad9ea5a1a70f devid 1 transid 5 /dev/dm-6 scanned by systemd-udevd (444569)
[ 4198.997170] BTRFS: device fsid cae17a92-4cb4-47c2-aef2-ad9ea5a1a70f devid 2 transid 5 /dev/mapper/vg0-lv5 scanned by mkfs.btrfs (444943)
[ 4198.999660] BTRFS: device fsid cae17a92-4cb4-47c2-aef2-ad9ea5a1a70f devid 3 transid 5 /dev/mapper/error-test scanned by mkfs.btrfs (444943)
[ 4199.004581] BTRFS info (device dm-6): enabling free space tree
[ 4199.005140] BTRFS info (device dm-6): using free space tree
[ 4199.005599] BTRFS info (device dm-6): has skinny extents
[ 4199.005683] BTRFS info: devid 2 device path /dev/mapper/vg0-lv5 changed to /dev/dm-5 scanned by systemd-udevd (444484)
[ 4199.005921] BTRFS info (device dm-6): flagging fs with big metadata feature
[ 4199.007000] BTRFS info: devid 2 device path /dev/dm-5 changed to /dev/mapper/vg0-lv5 scanned by systemd-udevd (444484)
[ 4199.008031] BTRFS info: devid 3 device path /dev/mapper/error-test changed to /dev/dm-9 scanned by systemd-udevd (444564)
[ 4199.009207] BTRFS info: devid 3 device path /dev/dm-9 changed to /dev/mapper/error-test scanned by systemd-udevd (444564)
[ 4199.022245] BTRFS info (device dm-6): creating free space tree
[ 4199.022674] BTRFS info (device dm-6): setting compat-ro feature flag for FREE_SPACE_TREE (0x1)
[ 4199.023202] BTRFS info (device dm-6): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[ 4199.032059] BTRFS info (device dm-6): cleaning free space cache v1
[ 4199.032585] BTRFS info (device dm-6): devid 1 device path /dev/mapper/vg0-lv6 changed to /dev/dm-6 scanned by systemd-udevd (444569)
[ 4199.040755] BTRFS info (device dm-6): checking UUID tree
[ 4199.040801] BTRFS info (device dm-6): devid 1 device path /dev/dm-6 changed to /dev/mapper/vg0-lv6 scanned by systemd-udevd (444569)
[ 4199.063328] BTRFS info (device dm-6): devid 1 device path /dev/mapper/vg0-lv6 changed to /dev/dm-6 scanned by systemd-udevd (444569)
[ 4199.064674] BTRFS info (device dm-6): devid 1 device path /dev/dm-6 changed to /dev/mapper/vg0-lv6 scanned by systemd-udevd (444569)
[ 4204.267357] ------------[ cut here ]------------
[ 4204.267652] WARNING: CPU: 0 PID: 257098 at drivers/gpu/drm/ttm/ttm_bo.c:512 ttm_bo_release+0x4f9/0x5c0 [ttm]
[ 4204.268259] Modules linked in: 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 ip_set rfkill nf_tables nfnetlink xfs intel_rapl_msr iTCO_wdt iTCO_vendor_support snd_hda_codec_generic intel_rapl_common snd_hda_intel joydev i2c_i801 i2c_smbus snd_intel_dspcfg snd_hda_codec snd_hwdep virtio_balloon snd_hda_core snd_pcm lpc_ich snd_timer snd soundcore zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel qxl drm_ttm_helper serio_raw ttm drm_kms_helper cec drm virtio_blk qemu_fw_cfg
[ 4204.271693] CPU: 0 PID: 257098 Comm: kworker/0:11 Tainted: G        W         5.12.0-rc1+ #153
[ 4204.272223] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[ 4204.272743] Workqueue: events qxl_gc_work [qxl]
[ 4204.273051] RIP: 0010:ttm_bo_release+0x4f9/0x5c0 [ttm]
[ 4204.273361] Code: ff 48 8b bd e8 fe ff ff b9 30 75 00 00 31 d2 be 01 00 00 00 e8 38 75 55 e5 48 8b 45 e0 e9 fb fe ff ff 4c 89 e8 e9 f3 fe ff ff <0f> 0b c7 85 94 00 00 00 00 00 00 00 48 8b 3c 24 48 8d 75 08 31 d2
[ 4204.274461] RSP: 0018:ffff9cbc016f3d80 EFLAGS: 00010202
[ 4204.274761] RAX: 0000000000000001 RBX: 000000000000000c RCX: 0000000000000000
[ 4204.275178] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffffffffc03ff168
[ 4204.275583] RBP: ffff8fc80e1a8e48 R08: 0000000000000000 R09: 0000000000000000
[ 4204.275988] R10: 0000000000000000 R11: ffff8fc7c26d8ff8 R12: ffff8fc703d21900
[ 4204.276449] R13: ffff8fc7cc8d4d90 R14: ffff8fc80e1a8eb0 R15: ffff8fc703d21a00
[ 4204.276876] FS:  0000000000000000(0000) GS:ffff8fc83bc00000(0000) knlGS:0000000000000000
[ 4204.277396] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 4204.277776] CR2: 00007f743e992128 CR3: 0000000153e6c001 CR4: 0000000000370ef0
[ 4204.278318] Call Trace:
[ 4204.278503]  qxl_bo_unref+0x31/0x50 [qxl]
[ 4204.278757]  qxl_release_free_list+0x52/0xa0 [qxl]
[ 4204.279050]  qxl_release_free+0x76/0xe0 [qxl]
[ 4204.279344]  qxl_garbage_collect+0xbd/0x170 [qxl]
[ 4204.279630]  process_one_work+0x26e/0x570
[ 4204.279875]  worker_thread+0x55/0x3c0
[ 4204.280116]  ? process_one_work+0x570/0x570
[ 4204.280373]  kthread+0x137/0x150
[ 4204.280571]  ? __kthread_bind_mask+0x60/0x60
[ 4204.280830]  ret_from_fork+0x1f/0x30
[ 4204.281060] irq event stamp: 0
[ 4204.281258] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[ 4204.281719] hardirqs last disabled at (0): [] copy_process+0x8c4/0x1ca0
[ 4204.282234] softirqs last  enabled at (0): [] copy_process+0x8c4/0x1ca0
[ 4204.282721] softirqs last disabled at (0): [<0000000000000000>] 0x0
[ 4204.283113] ---[ end trace 5f7855eb2e852ad0 ]---
[ 4204.283536] ------------[ cut here ]------------
[ 4204.283818] WARNING: CPU: 0 PID: 257098 at drivers/gpu/drm/ttm/ttm_bo.c:512 ttm_bo_release+0x4f9/0x5c0 [ttm]
[ 4204.284447] Modules linked in: 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 ip_set rfkill nf_tables nfnetlink xfs intel_rapl_msr iTCO_wdt iTCO_vendor_support snd_hda_codec_generic intel_rapl_common snd_hda_intel joydev i2c_i801 i2c_smbus snd_intel_dspcfg snd_hda_codec snd_hwdep virtio_balloon snd_hda_core snd_pcm lpc_ich snd_timer snd soundcore zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel qxl drm_ttm_helper serio_raw ttm drm_kms_helper cec drm virtio_blk qemu_fw_cfg
[ 4204.288095] CPU: 0 PID: 257098 Comm: kworker/0:11 Tainted: G        W         5.12.0-rc1+ #153
[ 4204.288648] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[ 4204.289182] Workqueue: events qxl_gc_work [qxl]
[ 4204.289468] RIP: 0010:ttm_bo_release+0x4f9/0x5c0 [ttm]
[ 4204.289784] Code: ff 48 8b bd e8 fe ff ff b9 30 75 00 00 31 d2 be 01 00 00 00 e8 38 75 55 e5 48 8b 45 e0 e9 fb fe ff ff 4c 89 e8 e9 f3 fe ff ff <0f> 0b c7 85 94 00 00 00 00 00 00 00 48 8b 3c 24 48 8d 75 08 31 d2
[ 4204.290916] RSP: 0018:ffff9cbc016f3d80 EFLAGS: 00010202
[ 4204.291449] RAX: 0000000000000001 RBX: 000000000000000f RCX: 0000000000000000
[ 4204.291895] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffffffffc03ff168
[ 4204.292468] RBP: ffff8fc80e1abe48 R08: 0000000000000000 R09: 0000000000000000
[ 4204.293031] R10: 0000000000000000 R11: ffff8fc7c26d8ff8 R12: ffff8fc7cf338300
[ 4204.293518] R13: ffff8fc7cc8d4d90 R14: ffff8fc80e1abeb0 R15: ffff8fc7cf338d00
[ 4204.293975] FS:  0000000000000000(0000) GS:ffff8fc83bc00000(0000) knlGS:0000000000000000
[ 4204.294527] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 4204.294880] CR2: 00007f743e992128 CR3: 0000000153e6c001 CR4: 0000000000370ef0
[ 4204.295357] Call Trace:
[ 4204.295517]  qxl_bo_unref+0x31/0x50 [qxl]
[ 4204.295771]  qxl_release_free_list+0x52/0xa0 [qxl]
[ 4204.296078]  qxl_release_free+0x76/0xe0 [qxl]
[ 4204.296361]  qxl_garbage_collect+0xbd/0x170 [qxl]
[ 4204.296679]  process_one_work+0x26e/0x570
[ 4204.296937]  worker_thread+0x55/0x3c0
[ 4204.297184]  ? process_one_work+0x570/0x570
[ 4204.297449]  kthread+0x137/0x150
[ 4204.297683]  ? __kthread_bind_mask+0x60/0x60
[ 4204.297955]  ret_from_fork+0x1f/0x30
[ 4204.298192] irq event stamp: 0
[ 4204.298379] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[ 4204.298751] hardirqs last disabled at (0): [] copy_process+0x8c4/0x1ca0
[ 4204.299250] softirqs last  enabled at (0): [] copy_process+0x8c4/0x1ca0
[ 4204.299729] softirqs last disabled at (0): [<0000000000000000>] 0x0
[ 4204.300120] ---[ end trace 5f7855eb2e852ad1 ]---
[ 4205.332399] Buffer I/O error on dev dm-9, logical block 2621054, async page read
[ 4205.340402] btrfs_dev_stat_print_on_error: 13972 callbacks suppressed
[ 4205.340405] BTRFS error (device dm-6): bdev /dev/mapper/error-test errs: wr 1, rd 0, flush 0, corrupt 0, gen 0
[ 4205.341493] BTRFS error (device dm-6): bdev /dev/mapper/error-test errs: wr 2, rd 0, flush 0, corrupt 0, gen 0
[ 4205.342187] BTRFS error (device dm-6): bdev /dev/mapper/error-test errs: wr 3, rd 0, flush 0, corrupt 0, gen 0
[ 4205.342872] BTRFS error (device dm-6): bdev /dev/mapper/error-test errs: wr 4, rd 0, flush 0, corrupt 0, gen 0
[ 4205.343566] BTRFS error (device dm-6): bdev /dev/mapper/error-test errs: wr 5, rd 0, flush 0, corrupt 0, gen 0
[ 4205.344266] BTRFS error (device dm-6): bdev /dev/mapper/error-test errs: wr 6, rd 0, flush 0, corrupt 0, gen 0
[ 4205.344934] BTRFS error (device dm-6): bdev /dev/mapper/error-test errs: wr 7, rd 0, flush 0, corrupt 0, gen 0
[ 4205.345645] BTRFS error (device dm-6): bdev /dev/mapper/error-test errs: wr 8, rd 0, flush 0, corrupt 0, gen 0
[ 4205.346319] BTRFS error (device dm-6): bdev /dev/mapper/error-test errs: wr 9, rd 0, flush 0, corrupt 0, gen 0
[ 4205.353390] BTRFS warning (device dm-6): lost page write due to IO error on /dev/mapper/error-test (-5)
[ 4205.353998] BTRFS error (device dm-6): bdev /dev/mapper/error-test errs: wr 10, rd 0, flush 0, corrupt 0, gen 0
[ 4205.354613] BTRFS warning (device dm-6): lost page write due to IO error on /dev/mapper/error-test (-5)
[ 4205.357476] BTRFS error (device dm-6): error writing primary super block to device 3
[ 4205.357989] BTRFS info (device dm-6): relocating block group 298844160 flags data|raid1
[ 4205.363884] BTRFS warning (device dm-6): lost page write due to IO error on /dev/mapper/error-test (-5)
[ 4205.364593] BTRFS warning (device dm-6): lost page write due to IO error on /dev/mapper/error-test (-5)
[ 4205.367466] BTRFS error (device dm-6): error writing primary super block to device 3
[ 4205.441753] BTRFS warning (device dm-6): lost page write due to IO error on /dev/mapper/error-test (-5)
[ 4205.442637] BTRFS warning (device dm-6): lost page write due to IO error on /dev/mapper/error-test (-5)
[ 4205.448521] BTRFS error (device dm-6): error writing primary super block to device 3
[ 4205.455120] BTRFS warning (device dm-6): lost page write due to IO error on /dev/mapper/error-test (-5)
[ 4205.455780] BTRFS warning (device dm-6): lost page write due to IO error on /dev/mapper/error-test (-5)
[ 4205.458646] BTRFS error (device dm-6): error writing primary super block to device 3
[ 4205.512689] BTRFS info (device dm-6): found 530 extents, stage: move data extents
[ 4205.978445] BTRFS warning (device dm-6): lost page write due to IO error on /dev/mapper/error-test (-5)
[ 4205.979131] BTRFS warning (device dm-6): lost page write due to IO error on /dev/mapper/error-test (-5)
[ 4205.984550] BTRFS error (device dm-6): error writing primary super block to device 3
[ 4206.949892] BTRFS error (device dm-6): error writing primary super block to device 3
[ 4207.400351] BTRFS error (device dm-6): error writing primary super block to device 3
[ 4207.433024] BTRFS info (device dm-6): found 530 extents, stage: update data pointers
[ 4207.954612] BTRFS error (device dm-6): error writing primary super block to device 3
[ 4208.022708] BTRFS error (device dm-6): error writing primary super block to device 3
[ 4208.046197] BTRFS error (device dm-6): error writing primary super block to device 3
[ 4208.047375] BTRFS info (device dm-6): relocating block group 30408704 flags metadata|raid1
[ 4208.243430] BTRFS error (device dm-6): error writing primary super block to device 3
[ 4209.762657] BTRFS error (device dm-6): error writing primary super block to device 3
[ 4210.354541] btrfs_end_super_write: 14 callbacks suppressed
[ 4210.354544] BTRFS warning (device dm-6): lost page write due to IO error on /dev/mapper/error-test (-5)
[ 4210.355519] btrfs_dev_stat_print_on_error: 665 callbacks suppressed
[ 4210.355521] BTRFS error (device dm-6): bdev /dev/mapper/error-test errs: wr 676, rd 0, flush 0, corrupt 0, gen 0
[ 4210.356483] BTRFS warning (device dm-6): lost page write due to IO error on /dev/mapper/error-test (-5)
[ 4210.357131] BTRFS error (device dm-6): bdev /dev/mapper/error-test errs: wr 677, rd 0, flush 0, corrupt 0, gen 0
[ 4210.491747] BTRFS error (device dm-6): error writing primary super block to device 3
[ 4210.540856] BTRFS info (device dm-6): found 1800 extents, stage: move data extents
[ 4210.922373] ------------[ cut here ]------------
[ 4210.922661] WARNING: CPU: 0 PID: 257098 at drivers/gpu/drm/ttm/ttm_bo.c:512 ttm_bo_release+0x4f9/0x5c0 [ttm]
[ 4210.923268] Modules linked in: 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 ip_set rfkill nf_tables nfnetlink xfs intel_rapl_msr iTCO_wdt iTCO_vendor_support snd_hda_codec_generic intel_rapl_common snd_hda_intel joydev i2c_i801 i2c_smbus snd_intel_dspcfg snd_hda_codec snd_hwdep virtio_balloon snd_hda_core snd_pcm lpc_ich snd_timer snd soundcore zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel qxl drm_ttm_helper serio_raw ttm drm_kms_helper cec drm virtio_blk qemu_fw_cfg
[ 4210.926685] CPU: 0 PID: 257098 Comm: kworker/0:11 Tainted: G        W         5.12.0-rc1+ #153
[ 4210.927200] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[ 4210.927703] Workqueue: events qxl_gc_work [qxl]
[ 4210.927984] RIP: 0010:ttm_bo_release+0x4f9/0x5c0 [ttm]
[ 4210.928305] Code: ff 48 8b bd e8 fe ff ff b9 30 75 00 00 31 d2 be 01 00 00 00 e8 38 75 55 e5 48 8b 45 e0 e9 fb fe ff ff 4c 89 e8 e9 f3 fe ff ff <0f> 0b c7 85 94 00 00 00 00 00 00 00 48 8b 3c 24 48 8d 75 08 31 d2
[ 4210.929411] RSP: 0018:ffff9cbc016f3d80 EFLAGS: 00010202
[ 4210.929725] RAX: 0000000000000001 RBX: 000000000000000a RCX: 0000000000000000
[ 4210.930160] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffffffffc03ff168
[ 4210.930584] RBP: ffff8fc7d11e4248 R08: 0000000000000000 R09: 0000000000000000
[ 4210.931010] R10: 0000000000000000 R11: ffff8fc7c26d8ff8 R12: ffff8fc7c4abc540
[ 4210.931439] R13: ffff8fc7cc8d4d90 R14: ffff8fc7d11e42b0 R15: ffff8fc7c4a86b00
[ 4210.931863] FS:  0000000000000000(0000) GS:ffff8fc83bc00000(0000) knlGS:0000000000000000
[ 4210.932351] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 4210.932694] CR2: 00007feae3b3f700 CR3: 00000001023aa003 CR4: 0000000000370ef0
[ 4210.933128] Call Trace:
[ 4210.933284]  qxl_bo_unref+0x31/0x50 [qxl]
[ 4210.933530]  qxl_release_free_list+0x52/0xa0 [qxl]
[ 4210.933822]  qxl_release_free+0x76/0xe0 [qxl]
[ 4210.934098]  qxl_garbage_collect+0xbd/0x170 [qxl]
[ 4210.934385]  process_one_work+0x26e/0x570
[ 4210.934632]  worker_thread+0x55/0x3c0
[ 4210.934855]  ? process_one_work+0x570/0x570
[ 4210.935120]  kthread+0x137/0x150
[ 4210.935322]  ? __kthread_bind_mask+0x60/0x60
[ 4210.935580]  ret_from_fork+0x1f/0x30
[ 4210.935802] irq event stamp: 0
[ 4210.935994] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[ 4210.936373] hardirqs last disabled at (0): [] copy_process+0x8c4/0x1ca0
[ 4210.936859] softirqs last  enabled at (0): [] copy_process+0x8c4/0x1ca0
[ 4210.937355] softirqs last disabled at (0): [<0000000000000000>] 0x0
[ 4210.937735] ---[ end trace 5f7855eb2e852ad2 ]---
[ 4210.939373] ------------[ cut here ]------------
[ 4210.939655] WARNING: CPU: 0 PID: 257098 at drivers/gpu/drm/ttm/ttm_bo.c:512 ttm_bo_release+0x4f9/0x5c0 [ttm]
[ 4210.940255] Modules linked in: 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 ip_set rfkill nf_tables nfnetlink xfs intel_rapl_msr iTCO_wdt iTCO_vendor_support snd_hda_codec_generic intel_rapl_common snd_hda_intel joydev i2c_i801 i2c_smbus snd_intel_dspcfg snd_hda_codec snd_hwdep virtio_balloon snd_hda_core snd_pcm lpc_ich snd_timer snd soundcore zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel qxl drm_ttm_helper serio_raw ttm drm_kms_helper cec drm virtio_blk qemu_fw_cfg
[ 4210.943684] CPU: 0 PID: 257098 Comm: kworker/0:11 Tainted: G        W         5.12.0-rc1+ #153
[ 4210.944201] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[ 4210.944705] Workqueue: events qxl_gc_work [qxl]
[ 4210.944984] RIP: 0010:ttm_bo_release+0x4f9/0x5c0 [ttm]
[ 4210.945304] Code: ff 48 8b bd e8 fe ff ff b9 30 75 00 00 31 d2 be 01 00 00 00 e8 38 75 55 e5 48 8b 45 e0 e9 fb fe ff ff 4c 89 e8 e9 f3 fe ff ff <0f> 0b c7 85 94 00 00 00 00 00 00 00 48 8b 3c 24 48 8d 75 08 31 d2
[ 4210.946431] RSP: 0018:ffff9cbc016f3d80 EFLAGS: 00010202
[ 4210.946754] RAX: 0000000000000001 RBX: 000000000000000f RCX: 0000000000000000
[ 4210.947218] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffffffffc03ff168
[ 4210.947638] RBP: ffff8fc7cf507248 R08: 0000000000000000 R09: 0000000000000000
[ 4210.948074] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8fc7c0ad5e00
[ 4210.948498] R13: ffff8fc7cc8d4d90 R14: ffff8fc7cf5072b0 R15: ffff8fc7c0ad5700
[ 4210.948925] FS:  0000000000000000(0000) GS:ffff8fc83bc00000(0000) knlGS:0000000000000000
[ 4210.949411] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 4210.949753] CR2: 00007feae3aea840 CR3: 00000001023aa003 CR4: 0000000000370ef0
[ 4210.950188] Call Trace:
[ 4210.950343]  qxl_bo_unref+0x31/0x50 [qxl]
[ 4210.950589]  qxl_release_free_list+0x52/0xa0 [qxl]
[ 4210.950878]  qxl_release_free+0x76/0xe0 [qxl]
[ 4210.951152]  qxl_garbage_collect+0xbd/0x170 [qxl]
[ 4210.951439]  process_one_work+0x26e/0x570
[ 4210.951684]  worker_thread+0x55/0x3c0
[ 4210.951911]  ? process_one_work+0x570/0x570
[ 4210.952175]  kthread+0x137/0x150
[ 4210.952374]  ? __kthread_bind_mask+0x60/0x60
[ 4210.952634]  ret_from_fork+0x1f/0x30
[ 4210.952854] irq event stamp: 0
[ 4210.953046] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[ 4210.953427] hardirqs last disabled at (0): [] copy_process+0x8c4/0x1ca0
[ 4210.953916] softirqs last  enabled at (0): [] copy_process+0x8c4/0x1ca0
[ 4210.954409] softirqs last disabled at (0): [<0000000000000000>] 0x0
[ 4210.954780] ---[ end trace 5f7855eb2e852ad3 ]---
[ 4211.448697] BTRFS warning (device dm-6): lost page write due to IO error on /dev/mapper/error-test (-5)
[ 4211.449350] BTRFS error (device dm-6): bdev /dev/mapper/error-test errs: wr 678, rd 0, flush 0, corrupt 0, gen 0
[ 4211.449963] BTRFS warning (device dm-6): lost page write due to IO error on /dev/mapper/error-test (-5)
[ 4211.450653] BTRFS error (device dm-6): bdev /dev/mapper/error-test errs: wr 679, rd 0, flush 0, corrupt 0, gen 0
[ 4211.562884] BTRFS error (device dm-6): error writing primary super block to device 3
[ 4211.615910] BTRFS warning (device dm-6): lost page write due to IO error on /dev/mapper/error-test (-5)
[ 4211.616526] BTRFS error (device dm-6): bdev /dev/mapper/error-test errs: wr 680, rd 0, flush 0, corrupt 0, gen 0
[ 4211.617136] BTRFS warning (device dm-6): lost page write due to IO error on /dev/mapper/error-test (-5)
[ 4211.617705] BTRFS error (device dm-6): bdev /dev/mapper/error-test errs: wr 681, rd 0, flush 0, corrupt 0, gen 0
[ 4211.646407] BTRFS error (device dm-6): error writing primary super block to device 3
[ 4211.653414] BTRFS warning (device dm-6): lost page write due to IO error on /dev/mapper/error-test (-5)
[ 4211.654006] BTRFS error (device dm-6): bdev /dev/mapper/error-test errs: wr 682, rd 0, flush 0, corrupt 0, gen 0
[ 4211.654596] BTRFS warning (device dm-6): lost page write due to IO error on /dev/mapper/error-test (-5)
[ 4211.655145] BTRFS error (device dm-6): bdev /dev/mapper/error-test errs: wr 683, rd 0, flush 0, corrupt 0, gen 0
[ 4211.775964] BTRFS error (device dm-6): error writing primary super block to device 3
[ 4211.776698] BTRFS info (device dm-6): relocating block group 22020096 flags system|raid1
[ 4211.777746] BTRFS error (device dm-6): bdev /dev/mapper/error-test errs: wr 684, rd 0, flush 0, corrupt 0, gen 0
[ 4211.789357] BTRFS warning (device dm-6): lost page write due to IO error on /dev/mapper/error-test (-5)
[ 4211.789959] BTRFS error (device dm-6): bdev /dev/mapper/error-test errs: wr 685, rd 0, flush 0, corrupt 0, gen 0
[ 4211.790531] BTRFS warning (device dm-6): lost page write due to IO error on /dev/mapper/error-test (-5)
[ 4211.798812] BTRFS error (device dm-6): error writing primary super block to device 3
[ 4211.816519] BTRFS error (device dm-6): error writing primary super block to device 3
[ 4211.830188] BTRFS error (device dm-6): error writing primary super block to device 3
[ 4211.830685] BTRFS info (device dm-6): found 1 extents, stage: move data extents
[ 4211.850034] BTRFS error (device dm-6): error writing primary super block to device 3
[ 4211.892275] BTRFS error (device dm-6): error writing primary super block to device 3
[ 4212.036877] BTRFS error (device dm-6): error writing primary super block to device 3
[ 4212.084600] Buffer I/O error on dev dm-9, logical block 16, lost async page write
[ 4212.085053] BTRFS warning (device dm-6): error clearing superblock number 0 (-5)
[ 4212.085477] Buffer I/O error on dev dm-9, logical block 16384, async page read
[ 4212.087178] Buffer I/O error on dev dm-9, logical block 2621424, async page read
[ 4212.091078] BTRFS info (device dm-6): device deleted: id 3
[ 4212.092492] Buffer I/O error on dev dm-9, logical block 2621424, async page read