[ 4189.153363] run fstests btrfs/100 at 2021-03-01 21:59:52
[ 4189.304862] BTRFS info (device dm-0): using free space tree
[ 4189.305276] BTRFS info (device dm-0): has skinny extents
[ 4189.543546] dm-9: detected capacity change from 0 to 20971520
[ 4189.693483] BTRFS: device fsid 5a0f45a4-2378-43f5-b370-67c1ecf61b66 devid 1 transid 5 /dev/mapper/vg0-lv6 scanned by mkfs.btrfs (443633)
[ 4189.694567] BTRFS: device fsid 5a0f45a4-2378-43f5-b370-67c1ecf61b66 devid 2 transid 5 /dev/mapper/error-test scanned by mkfs.btrfs (443633)
[ 4189.699723] BTRFS info: devid 1 device path /dev/dm-6 changed to /dev/mapper/vg0-lv6 scanned by systemd-udevd (438022)
[ 4189.699760] BTRFS info (device dm-6): enabling free space tree
[ 4189.700713] BTRFS info (device dm-6): using free space tree
[ 4189.701024] BTRFS info (device dm-6): has skinny extents
[ 4189.701341] BTRFS info (device dm-6): flagging fs with big metadata feature
[ 4189.703520] BTRFS info (device dm-6): creating free space tree
[ 4189.703931] BTRFS info (device dm-6): setting compat-ro feature flag for FREE_SPACE_TREE (0x1)
[ 4189.704434] BTRFS info (device dm-6): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[ 4189.712588] BTRFS info (device dm-6): cleaning free space cache v1
[ 4189.720238] BTRFS info (device dm-6): checking UUID tree
[ 4190.954457] ------------[ cut here ]------------
[ 4190.954744] WARNING: CPU: 0 PID: 257098 at drivers/gpu/drm/ttm/ttm_bo.c:512 ttm_bo_release+0x4f9/0x5c0 [ttm]
[ 4190.955379] 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
[ 4190.960100] CPU: 0 PID: 257098 Comm: kworker/0:11 Tainted: G        W         5.12.0-rc1+ #153
[ 4190.960859] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[ 4190.961605] Workqueue: events qxl_gc_work [qxl]
[ 4190.962006] RIP: 0010:ttm_bo_release+0x4f9/0x5c0 [ttm]
[ 4190.962488] 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
[ 4190.964030] RSP: 0018:ffff9cbc016f3d80 EFLAGS: 00010202
[ 4190.964417] RAX: 0000000000000001 RBX: 000000000000000f RCX: 0000000000000000
[ 4190.964874] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffffffffc03ff168
[ 4190.965316] RBP: ffff8fc7c2123a48 R08: 0000000000000000 R09: 0000000000000000
[ 4190.965743] R10: 0000000000000000 R11: ffff8fc7c26d8ff8 R12: ffff8fc7c5b92000
[ 4190.966171] R13: ffff8fc7cc8d4d90 R14: ffff8fc7c2123ab0 R15: ffff8fc7c5b92400
[ 4190.966606] FS:  0000000000000000(0000) GS:ffff8fc83bc00000(0000) knlGS:0000000000000000
[ 4190.967094] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 4190.967461] CR2: 00007fad1fa19128 CR3: 0000000177826006 CR4: 0000000000370ef0
[ 4190.967895] Call Trace:
[ 4190.968055]  qxl_bo_unref+0x31/0x50 [qxl]
[ 4190.968319]  qxl_release_free_list+0x52/0xa0 [qxl]
[ 4190.968626]  qxl_release_free+0x76/0xe0 [qxl]
[ 4190.968890]  qxl_garbage_collect+0xbd/0x170 [qxl]
[ 4190.969188]  process_one_work+0x26e/0x570
[ 4190.969475]  worker_thread+0x55/0x3c0
[ 4190.969698]  ? process_one_work+0x570/0x570
[ 4190.969946]  kthread+0x137/0x150
[ 4190.970144]  ? __kthread_bind_mask+0x60/0x60
[ 4190.970410]  ret_from_fork+0x1f/0x30
[ 4190.970655] irq event stamp: 0
[ 4190.970848] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[ 4190.971228] hardirqs last disabled at (0): [] copy_process+0x8c4/0x1ca0
[ 4190.971700] softirqs last  enabled at (0): [] copy_process+0x8c4/0x1ca0
[ 4190.972173] softirqs last disabled at (0): [<0000000000000000>] 0x0
[ 4190.972547] ---[ end trace 5f7855eb2e852acb ]---
[ 4190.972901] ------------[ cut here ]------------
[ 4190.973174] WARNING: CPU: 0 PID: 257098 at drivers/gpu/drm/ttm/ttm_bo.c:512 ttm_bo_release+0x4f9/0x5c0 [ttm]
[ 4190.973760] 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
[ 4190.977210] CPU: 0 PID: 257098 Comm: kworker/0:11 Tainted: G        W         5.12.0-rc1+ #153
[ 4190.977800] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[ 4190.978324] Workqueue: events qxl_gc_work [qxl]
[ 4190.978598] RIP: 0010:ttm_bo_release+0x4f9/0x5c0 [ttm]
[ 4190.978904] 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
[ 4190.979988] RSP: 0018:ffff9cbc016f3d80 EFLAGS: 00010202
[ 4190.980319] RAX: 0000000000000001 RBX: 000000000000000f RCX: 0000000000000000
[ 4190.980753] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffffffffc03ff168
[ 4190.981185] RBP: ffff8fc7cf831a48 R08: 0000000000000000 R09: 0000000000000000
[ 4190.981613] R10: 0000000000000000 R11: ffff8fc7c26d8ff8 R12: ffff8fc703d21600
[ 4190.982025] R13: ffff8fc7cc8d4d90 R14: ffff8fc7cf831ab0 R15: ffff8fc703d21e00
[ 4190.982453] FS:  0000000000000000(0000) GS:ffff8fc83bc00000(0000) knlGS:0000000000000000
[ 4190.982924] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 4190.983278] CR2: 00007fad1fa19128 CR3: 0000000177826006 CR4: 0000000000370ef0
[ 4190.983717] Call Trace:
[ 4190.983873]  qxl_bo_unref+0x31/0x50 [qxl]
[ 4190.984286]  qxl_release_free_list+0x52/0xa0 [qxl]
[ 4190.984593]  qxl_release_free+0x76/0xe0 [qxl]
[ 4190.984854]  qxl_garbage_collect+0xbd/0x170 [qxl]
[ 4190.985143]  process_one_work+0x26e/0x570
[ 4190.985400]  worker_thread+0x55/0x3c0
[ 4190.985621]  ? process_one_work+0x570/0x570
[ 4190.985869]  kthread+0x137/0x150
[ 4190.986070]  ? __kthread_bind_mask+0x60/0x60
[ 4190.986362]  ret_from_fork+0x1f/0x30
[ 4190.986593] irq event stamp: 0
[ 4190.986788] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[ 4190.987199] hardirqs last disabled at (0): [] copy_process+0x8c4/0x1ca0
[ 4190.987724] softirqs last  enabled at (0): [] copy_process+0x8c4/0x1ca0
[ 4190.988226] softirqs last disabled at (0): [<0000000000000000>] 0x0
[ 4190.988604] ---[ end trace 5f7855eb2e852acc ]---
[ 4190.989094] ------------[ cut here ]------------
[ 4190.989398] WARNING: CPU: 0 PID: 257098 at drivers/gpu/drm/ttm/ttm_bo.c:512 ttm_bo_release+0x4f9/0x5c0 [ttm]
[ 4190.989973] 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
[ 4190.993335] CPU: 0 PID: 257098 Comm: kworker/0:11 Tainted: G        W         5.12.0-rc1+ #153
[ 4190.993868] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[ 4190.994443] Workqueue: events qxl_gc_work [qxl]
[ 4190.994725] RIP: 0010:ttm_bo_release+0x4f9/0x5c0 [ttm]
[ 4190.995030] 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
[ 4190.996113] RSP: 0018:ffff9cbc016f3d80 EFLAGS: 00010202
[ 4190.996439] RAX: 0000000000000001 RBX: 000000000000000f RCX: 0000000000000000
[ 4190.996849] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffffffffc03ff168
[ 4190.997310] RBP: ffff8fc7c3a3c648 R08: 0000000000000000 R09: 0000000000000000
[ 4190.997731] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8fc6c6d5bd00
[ 4190.998164] R13: ffff8fc7cc8d4d90 R14: ffff8fc7c3a3c6b0 R15: ffff8fc6c6d5b400
[ 4190.998586] FS:  0000000000000000(0000) GS:ffff8fc83bc00000(0000) knlGS:0000000000000000
[ 4190.999059] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 4190.999422] CR2: 00007fad1fa19128 CR3: 0000000177826006 CR4: 0000000000370ef0
[ 4190.999837] Call Trace:
[ 4190.999989]  qxl_bo_unref+0x31/0x50 [qxl]
[ 4191.000248]  qxl_release_free_list+0x52/0xa0 [qxl]
[ 4191.000535]  qxl_release_free+0x76/0xe0 [qxl]
[ 4191.000798]  qxl_garbage_collect+0xbd/0x170 [qxl]
[ 4191.001223]  process_one_work+0x26e/0x570
[ 4191.001506]  worker_thread+0x55/0x3c0
[ 4191.001755]  ? process_one_work+0x570/0x570
[ 4191.002015]  kthread+0x137/0x150
[ 4191.002232]  ? __kthread_bind_mask+0x60/0x60
[ 4191.002498]  ret_from_fork+0x1f/0x30
[ 4191.002722] irq event stamp: 0
[ 4191.002904] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[ 4191.003281] hardirqs last disabled at (0): [] copy_process+0x8c4/0x1ca0
[ 4191.003764] softirqs last  enabled at (0): [] copy_process+0x8c4/0x1ca0
[ 4191.004258] softirqs last disabled at (0): [<0000000000000000>] 0x0
[ 4191.004622] ---[ end trace 5f7855eb2e852acd ]---
[ 4196.026812] Buffer I/O error on dev dm-9, logical block 2621424, async page read
[ 4196.046735] BTRFS error (device dm-6): bdev /dev/mapper/error-test errs: wr 1, rd 0, flush 0, corrupt 0, gen 0
[ 4196.047401] BTRFS error (device dm-6): bdev /dev/mapper/error-test errs: wr 2, rd 0, flush 0, corrupt 0, gen 0
[ 4196.048057] BTRFS error (device dm-6): bdev /dev/mapper/error-test errs: wr 3, rd 0, flush 0, corrupt 0, gen 0
[ 4196.048759] BTRFS error (device dm-6): bdev /dev/mapper/error-test errs: wr 4, rd 0, flush 0, corrupt 0, gen 0
[ 4196.049456] BTRFS error (device dm-6): bdev /dev/mapper/error-test errs: wr 5, rd 0, flush 0, corrupt 0, gen 0
[ 4196.050125] BTRFS error (device dm-6): bdev /dev/mapper/error-test errs: wr 6, rd 0, flush 0, corrupt 0, gen 0
[ 4196.050791] BTRFS error (device dm-6): bdev /dev/mapper/error-test errs: wr 7, rd 0, flush 0, corrupt 0, gen 0
[ 4196.051476] BTRFS error (device dm-6): bdev /dev/mapper/error-test errs: wr 8, rd 0, flush 0, corrupt 0, gen 0
[ 4196.052121] BTRFS error (device dm-6): bdev /dev/mapper/error-test errs: wr 9, rd 0, flush 0, corrupt 0, gen 0
[ 4196.052860] BTRFS error (device dm-6): bdev /dev/mapper/error-test errs: wr 10, rd 0, flush 0, corrupt 0, gen 0
[ 4196.076208] BTRFS warning (device dm-6): lost page write due to IO error on /dev/mapper/error-test (-5)
[ 4196.076799] BTRFS warning (device dm-6): lost page write due to IO error on /dev/mapper/error-test (-5)
[ 4196.079424] BTRFS error (device dm-6): error writing primary super block to device 2
[ 4196.079898] BTRFS info (device dm-6): dev_replace from /dev/mapper/error-test (devid 2) to /dev/mapper/vg0-lv5 started
[ 4196.088660] BTRFS warning (device dm-6): lost page write due to IO error on /dev/mapper/error-test (-5)
[ 4196.089267] BTRFS warning (device dm-6): lost page write due to IO error on /dev/mapper/error-test (-5)
[ 4196.093669] BTRFS error (device dm-6): error writing primary super block to device 2
[ 4196.094323] BTRFS warning (device dm-6): i/o error at logical 22036480 on dev /dev/mapper/error-test, physical 1064960: metadata leaf (level 0) in tree 3
[ 4196.095102] BTRFS warning (device dm-6): i/o error at logical 22036480 on dev /dev/mapper/error-test, physical 1064960: metadata leaf (level 0) in tree 3
[ 4196.096290] BTRFS error (device dm-6): fixed up error at logical 22036480 on dev /dev/mapper/error-test
[ 4196.097056] BTRFS warning (device dm-6): i/o error at logical 30490624 on dev /dev/mapper/error-test, physical 9519104: metadata leaf (level 0) in tree 18446744073709551607
[ 4196.097930] BTRFS warning (device dm-6): i/o error at logical 30490624 on dev /dev/mapper/error-test, physical 9519104: metadata leaf (level 0) in tree 18446744073709551607
[ 4196.099138] BTRFS error (device dm-6): fixed up error at logical 30490624 on dev /dev/mapper/error-test
[ 4196.099701] BTRFS warning (device dm-6): i/o error at logical 30687232 on dev /dev/mapper/error-test, physical 9715712: metadata leaf (level 0) in tree 256
[ 4196.100499] BTRFS warning (device dm-6): i/o error at logical 30687232 on dev /dev/mapper/error-test, physical 9715712: metadata leaf (level 0) in tree 256
[ 4196.101562] BTRFS error (device dm-6): fixed up error at logical 30687232 on dev /dev/mapper/error-test
[ 4196.102164] BTRFS warning (device dm-6): i/o error at logical 30801920 on dev /dev/mapper/error-test, physical 9830400: metadata leaf (level 0) in tree 257
[ 4196.102955] BTRFS warning (device dm-6): i/o error at logical 30801920 on dev /dev/mapper/error-test, physical 9830400: metadata leaf (level 0) in tree 257
[ 4196.104298] BTRFS error (device dm-6): fixed up error at logical 30801920 on dev /dev/mapper/error-test
[ 4196.104882] BTRFS warning (device dm-6): i/o error at logical 30949376 on dev /dev/mapper/error-test, physical 9977856: metadata leaf (level 0) in tree 258
[ 4196.105679] BTRFS warning (device dm-6): i/o error at logical 30949376 on dev /dev/mapper/error-test, physical 9977856: metadata leaf (level 0) in tree 258
[ 4196.106858] BTRFS error (device dm-6): fixed up error at logical 30949376 on dev /dev/mapper/error-test
[ 4196.107503] BTRFS warning (device dm-6): i/o error at logical 31129600 on dev /dev/mapper/error-test, physical 10158080: metadata leaf (level 0) in tree 259
[ 4196.108300] BTRFS warning (device dm-6): i/o error at logical 31129600 on dev /dev/mapper/error-test, physical 10158080: metadata leaf (level 0) in tree 259
[ 4196.109439] BTRFS error (device dm-6): fixed up error at logical 31129600 on dev /dev/mapper/error-test
[ 4196.110036] BTRFS warning (device dm-6): i/o error at logical 31309824 on dev /dev/mapper/error-test, physical 10338304: metadata leaf (level 0) in tree 260
[ 4196.110833] BTRFS warning (device dm-6): i/o error at logical 31309824 on dev /dev/mapper/error-test, physical 10338304: metadata leaf (level 0) in tree 260
[ 4196.112056] BTRFS error (device dm-6): fixed up error at logical 31309824 on dev /dev/mapper/error-test
[ 4196.112788] BTRFS warning (device dm-6): i/o error at logical 31457280 on dev /dev/mapper/error-test, physical 10485760: metadata leaf (level 0) in tree 261
[ 4196.113599] BTRFS warning (device dm-6): i/o error at logical 31457280 on dev /dev/mapper/error-test, physical 10485760: metadata leaf (level 0) in tree 261
[ 4196.114734] BTRFS error (device dm-6): fixed up error at logical 31457280 on dev /dev/mapper/error-test
[ 4196.115326] BTRFS warning (device dm-6): i/o error at logical 31604736 on dev /dev/mapper/error-test, physical 10633216: metadata leaf (level 0) in tree 262
[ 4196.116116] BTRFS warning (device dm-6): i/o error at logical 31604736 on dev /dev/mapper/error-test, physical 10633216: metadata leaf (level 0) in tree 262
[ 4196.117385] BTRFS error (device dm-6): fixed up error at logical 31604736 on dev /dev/mapper/error-test
[ 4196.118050] BTRFS warning (device dm-6): i/o error at logical 31768576 on dev /dev/mapper/error-test, physical 10797056: metadata leaf (level 0) in tree 263
[ 4196.118852] BTRFS warning (device dm-6): i/o error at logical 31768576 on dev /dev/mapper/error-test, physical 10797056: metadata leaf (level 0) in tree 263
[ 4196.120130] BTRFS error (device dm-6): fixed up error at logical 31768576 on dev /dev/mapper/error-test
[ 4197.610564] ------------[ cut here ]------------
[ 4197.610845] WARNING: CPU: 0 PID: 257098 at drivers/gpu/drm/ttm/ttm_bo.c:512 ttm_bo_release+0x4f9/0x5c0 [ttm]
[ 4197.611450] 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
[ 4197.614801] CPU: 0 PID: 257098 Comm: kworker/0:11 Tainted: G        W         5.12.0-rc1+ #153
[ 4197.615322] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[ 4197.615821] Workqueue: events qxl_gc_work [qxl]
[ 4197.616088] RIP: 0010:ttm_bo_release+0x4f9/0x5c0 [ttm]
[ 4197.616400] 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
[ 4197.617448] RSP: 0018:ffff9cbc016f3d80 EFLAGS: 00010202
[ 4197.617749] RAX: 0000000000000001 RBX: 000000000000000e RCX: 0000000000000000
[ 4197.618157] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffffffffc03ff168
[ 4197.618600] RBP: ffff8fc7c47e2248 R08: 0000000000000000 R09: 0000000000000000
[ 4197.619027] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8fc7c5b92800
[ 4197.619516] R13: ffff8fc7cc8d4d90 R14: ffff8fc7c47e22b0 R15: ffff8fc7c5b92000
[ 4197.619941] FS:  0000000000000000(0000) GS:ffff8fc83bc00000(0000) knlGS:0000000000000000
[ 4197.620440] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 4197.620789] CR2: 00007fead7e10028 CR3: 000000015431c003 CR4: 0000000000370ef0
[ 4197.621250] Call Trace:
[ 4197.621402]  qxl_bo_unref+0x31/0x50 [qxl]
[ 4197.621644]  qxl_release_free_list+0x52/0xa0 [qxl]
[ 4197.621929]  qxl_release_free+0x76/0xe0 [qxl]
[ 4197.622204]  qxl_garbage_collect+0xbd/0x170 [qxl]
[ 4197.622487]  process_one_work+0x26e/0x570
[ 4197.622729]  worker_thread+0x55/0x3c0
[ 4197.622953]  ? process_one_work+0x570/0x570
[ 4197.623217]  kthread+0x137/0x150
[ 4197.623415]  ? __kthread_bind_mask+0x60/0x60
[ 4197.623670]  ret_from_fork+0x1f/0x30
[ 4197.623886] irq event stamp: 0
[ 4197.624073] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[ 4197.624449] hardirqs last disabled at (0): [] copy_process+0x8c4/0x1ca0
[ 4197.624925] softirqs last  enabled at (0): [] copy_process+0x8c4/0x1ca0
[ 4197.625416] softirqs last disabled at (0): [<0000000000000000>] 0x0
[ 4197.625784] ---[ end trace 5f7855eb2e852ace ]---
[ 4197.626118] ------------[ cut here ]------------
[ 4197.626429] WARNING: CPU: 0 PID: 257098 at drivers/gpu/drm/ttm/ttm_bo.c:512 ttm_bo_release+0x4f9/0x5c0 [ttm]
[ 4197.627081] 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
[ 4197.630454] CPU: 0 PID: 257098 Comm: kworker/0:11 Tainted: G        W         5.12.0-rc1+ #153
[ 4197.630953] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[ 4197.631460] Workqueue: events qxl_gc_work [qxl]
[ 4197.631736] RIP: 0010:ttm_bo_release+0x4f9/0x5c0 [ttm]
[ 4197.632045] 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
[ 4197.633135] RSP: 0018:ffff9cbc016f3d80 EFLAGS: 00010202
[ 4197.633453] RAX: 0000000000000001 RBX: 000000000000000f RCX: 0000000000000000
[ 4197.633867] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffffffffc03ff168
[ 4197.634313] RBP: ffff8fc7c225d648 R08: 0000000000000000 R09: 0000000000000000
[ 4197.634741] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8fc7c5b92c00
[ 4197.635198] R13: ffff8fc7cc8d4d90 R14: ffff8fc7c225d6b0 R15: ffff8fc7c5b92500
[ 4197.635612] FS:  0000000000000000(0000) GS:ffff8fc83bc00000(0000) knlGS:0000000000000000
[ 4197.636083] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 4197.636430] CR2: 00007fead7e10028 CR3: 000000015431c003 CR4: 0000000000370ef0
[ 4197.636871] Call Trace:
[ 4197.637053]  qxl_bo_unref+0x31/0x50 [qxl]
[ 4197.637308]  qxl_release_free_list+0x52/0xa0 [qxl]
[ 4197.637596]  qxl_release_free+0x76/0xe0 [qxl]
[ 4197.637855]  qxl_garbage_collect+0xbd/0x170 [qxl]
[ 4197.638140]  process_one_work+0x26e/0x570
[ 4197.638396]  worker_thread+0x55/0x3c0
[ 4197.638617]  ? process_one_work+0x570/0x570
[ 4197.638865]  kthread+0x137/0x150
[ 4197.639064]  ? __kthread_bind_mask+0x60/0x60
[ 4197.639351]  ret_from_fork+0x1f/0x30
[ 4197.639576] irq event stamp: 0
[ 4197.639764] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[ 4197.640142] hardirqs last disabled at (0): [] copy_process+0x8c4/0x1ca0
[ 4197.640644] softirqs last  enabled at (0): [] copy_process+0x8c4/0x1ca0
[ 4197.641120] softirqs last disabled at (0): [<0000000000000000>] 0x0
[ 4197.641498] ---[ end trace 5f7855eb2e852acf ]---
[ 4197.746905] BTRFS warning (device dm-6): lost page write due to IO error on /dev/mapper/error-test (-5)
[ 4197.747517] BTRFS warning (device dm-6): lost page write due to IO error on /dev/mapper/error-test (-5)
[ 4197.828145] BTRFS error (device dm-6): error writing primary super block to device 2
[ 4197.828620] BTRFS info (device dm-6): dev_replace from /dev/mapper/error-test (devid 2) to /dev/mapper/vg0-lv5 finished
[ 4197.829724] Buffer I/O error on dev dm-9, logical block 16, lost async page write
[ 4197.830219] BTRFS warning (device dm-6): error clearing superblock number 0 (-5)
[ 4197.830645] Buffer I/O error on dev dm-9, logical block 16384, async page read
[ 4197.831557] Buffer I/O error on dev dm-9, logical block 2621424, async page read
[ 4197.934985] Buffer I/O error on dev dm-9, logical block 2621424, async page read