[ 5459.944616] run fstests btrfs/212 at 2021-03-01 22:21:02
[ 5460.132584] BTRFS info (device dm-0): using free space tree
[ 5460.132920] BTRFS info (device dm-0): has skinny extents
[ 5460.274011] BTRFS: device fsid 5b4c21e1-2db2-421c-8d45-83308c8db250 devid 1 transid 5 /dev/mapper/vg0-lv7 scanned by mkfs.btrfs (842358)
[ 5460.293579] BTRFS info (device dm-7): enabling free space tree
[ 5460.293935] BTRFS info (device dm-7): using free space tree
[ 5460.294274] BTRFS info (device dm-7): has skinny extents
[ 5460.294615] BTRFS info (device dm-7): flagging fs with big metadata feature
[ 5460.296402] BTRFS info (device dm-7): creating free space tree
[ 5460.296834] BTRFS info (device dm-7): setting compat-ro feature flag for FREE_SPACE_TREE (0x1)
[ 5460.297346] BTRFS info (device dm-7): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[ 5460.313789] BTRFS info (device dm-7): cleaning free space cache v1
[ 5460.322651] BTRFS info (device dm-7): checking UUID tree
[ 5463.327663] ------------[ cut here ]------------
[ 5463.327935] WARNING: CPU: 0 PID: 809648 at drivers/gpu/drm/ttm/ttm_bo.c:512 ttm_bo_release+0x4f9/0x5c0 [ttm]
[ 5463.328515] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes 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 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
[ 5463.332101] CPU: 0 PID: 809648 Comm: kworker/0:0 Tainted: G        W         5.12.0-rc1+ #153
[ 5463.332596] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[ 5463.333078] Workqueue: events qxl_gc_work [qxl]
[ 5463.333347] RIP: 0010:ttm_bo_release+0x4f9/0x5c0 [ttm]
[ 5463.333786] 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
[ 5463.334902] RSP: 0018:ffff9cbc019ebd80 EFLAGS: 00010202
[ 5463.335209] RAX: 0000000000000001 RBX: 0000000000000009 RCX: 0000000000000000
[ 5463.335668] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffffffffc03ff168
[ 5463.336069] RBP: ffff8fc7c3457248 R08: 0000000000000000 R09: 0000000000000000
[ 5463.336516] R10: 0000000000000000 R11: ffff8fc7c26d8ff8 R12: ffff8fc7c0814000
[ 5463.336916] R13: ffff8fc7cc8d4d90 R14: ffff8fc7c34572b0 R15: ffff8fc6c6d5b400
[ 5463.337341] FS:  0000000000000000(0000) GS:ffff8fc83bc00000(0000) knlGS:0000000000000000
[ 5463.337821] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5463.338152] CR2: 000055ad43346130 CR3: 00000001117a4002 CR4: 0000000000370ef0
[ 5463.338567] Call Trace:
[ 5463.338715]  qxl_bo_unref+0x31/0x50 [qxl]
[ 5463.338958]  qxl_release_free_list+0x52/0xa0 [qxl]
[ 5463.339239]  qxl_release_free+0x76/0xe0 [qxl]
[ 5463.339505]  qxl_garbage_collect+0xbd/0x170 [qxl]
[ 5463.339775]  process_one_work+0x26e/0x570
[ 5463.340034]  worker_thread+0x55/0x3c0
[ 5463.340261]  ? process_one_work+0x570/0x570
[ 5463.340519]  kthread+0x137/0x150
[ 5463.340715]  ? __kthread_bind_mask+0x60/0x60
[ 5463.340968]  ret_from_fork+0x1f/0x30
[ 5463.341185] irq event stamp: 0
[ 5463.341385] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[ 5463.341747] hardirqs last disabled at (0): [] copy_process+0x8c4/0x1ca0
[ 5463.342252] softirqs last  enabled at (0): [] copy_process+0x8c4/0x1ca0
[ 5463.342737] softirqs last disabled at (0): [<0000000000000000>] 0x0
[ 5463.343123] ---[ end trace 5f7855eb2e852c63 ]---
[ 5463.345436] ------------[ cut here ]------------
[ 5463.345830] WARNING: CPU: 0 PID: 809648 at drivers/gpu/drm/ttm/ttm_bo.c:512 ttm_bo_release+0x4f9/0x5c0 [ttm]
[ 5463.346396] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes 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 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
[ 5463.350000] CPU: 0 PID: 809648 Comm: kworker/0:0 Tainted: G        W         5.12.0-rc1+ #153
[ 5463.350492] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[ 5463.350974] Workqueue: events qxl_gc_work [qxl]
[ 5463.351239] RIP: 0010:ttm_bo_release+0x4f9/0x5c0 [ttm]
[ 5463.351549] 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
[ 5463.352670] RSP: 0018:ffff9cbc019ebd80 EFLAGS: 00010202
[ 5463.353019] RAX: 0000000000000001 RBX: 000000000000000f RCX: 0000000000000000
[ 5463.353456] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffffffffc03ff168
[ 5463.353876] RBP: ffff8fc7d2596248 R08: 0000000000000000 R09: 0000000000000000
[ 5463.354296] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8fc7d1fbe600
[ 5463.354718] R13: ffff8fc7cc8d4d90 R14: ffff8fc7d25962b0 R15: ffff8fc7d1fbe500
[ 5463.355132] FS:  0000000000000000(0000) GS:ffff8fc83bc00000(0000) knlGS:0000000000000000
[ 5463.355609] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5463.355944] CR2: 00007feae3959d38 CR3: 00000001117a4002 CR4: 0000000000370ef0
[ 5463.356363] Call Trace:
[ 5463.356538]  qxl_bo_unref+0x31/0x50 [qxl]
[ 5463.356775]  qxl_release_free_list+0x52/0xa0 [qxl]
[ 5463.357053]  qxl_release_free+0x76/0xe0 [qxl]
[ 5463.357314]  qxl_garbage_collect+0xbd/0x170 [qxl]
[ 5463.357600]  process_one_work+0x26e/0x570
[ 5463.357838]  worker_thread+0x55/0x3c0
[ 5463.358051]  ? process_one_work+0x570/0x570
[ 5463.358295]  kthread+0x137/0x150
[ 5463.358493]  ? __kthread_bind_mask+0x60/0x60
[ 5463.358741]  ret_from_fork+0x1f/0x30
[ 5463.358951] irq event stamp: 0
[ 5463.359129] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[ 5463.359496] hardirqs last disabled at (0): [] copy_process+0x8c4/0x1ca0
[ 5463.359955] softirqs last  enabled at (0): [] copy_process+0x8c4/0x1ca0
[ 5463.360437] softirqs last disabled at (0): [<0000000000000000>] 0x0
[ 5463.360808] ---[ end trace 5f7855eb2e852c64 ]---
[ 5469.983683] ------------[ cut here ]------------
[ 5469.984020] WARNING: CPU: 0 PID: 809648 at drivers/gpu/drm/ttm/ttm_bo.c:512 ttm_bo_release+0x4f9/0x5c0 [ttm]
[ 5469.984587] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes 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 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
[ 5469.988109] CPU: 0 PID: 809648 Comm: kworker/0:0 Tainted: G        W         5.12.0-rc1+ #153
[ 5469.988583] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[ 5469.989047] Workqueue: events qxl_gc_work [qxl]
[ 5469.989305] RIP: 0010:ttm_bo_release+0x4f9/0x5c0 [ttm]
[ 5469.989605] 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
[ 5469.990606] RSP: 0018:ffff9cbc019ebd80 EFLAGS: 00010202
[ 5469.990893] RAX: 0000000000000001 RBX: 0000000000000007 RCX: 0000000000000000
[ 5469.991283] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffffffffc03ff168
[ 5469.991676] RBP: ffff8fc7cc5d1648 R08: 0000000000000000 R09: 0000000000000000
[ 5469.992064] R10: 0000000000000000 R11: ffff8fc7c26d8ff8 R12: ffff8fc712d19e00
[ 5469.992467] R13: ffff8fc7cc8d4d90 R14: ffff8fc7cc5d16b0 R15: ffff8fc7d1fbe900
[ 5469.992854] FS:  0000000000000000(0000) GS:ffff8fc83bc00000(0000) knlGS:0000000000000000
[ 5469.993295] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5469.993618] CR2: 000055ad43346130 CR3: 0000000177826005 CR4: 0000000000370ef0
[ 5469.994007] Call Trace:
[ 5469.994148]  qxl_bo_unref+0x31/0x50 [qxl]
[ 5469.994378]  qxl_release_free_list+0x52/0xa0 [qxl]
[ 5469.994655]  qxl_release_free+0x76/0xe0 [qxl]
[ 5469.994901]  qxl_garbage_collect+0xbd/0x170 [qxl]
[ 5469.995162]  process_one_work+0x26e/0x570
[ 5469.995406]  worker_thread+0x55/0x3c0
[ 5469.995630]  ? process_one_work+0x570/0x570
[ 5469.995862]  kthread+0x137/0x150
[ 5469.996043]  ? __kthread_bind_mask+0x60/0x60
[ 5469.996282]  ret_from_fork+0x1f/0x30
[ 5469.996494] irq event stamp: 0
[ 5469.996667] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[ 5469.997008] hardirqs last disabled at (0): [] copy_process+0x8c4/0x1ca0
[ 5469.997468] softirqs last  enabled at (0): [] copy_process+0x8c4/0x1ca0
[ 5469.997911] softirqs last disabled at (0): [<0000000000000000>] 0x0
[ 5469.998258] ---[ end trace 5f7855eb2e852c65 ]---
[ 5469.998643] ------------[ cut here ]------------
[ 5469.998992] WARNING: CPU: 0 PID: 809648 at drivers/gpu/drm/ttm/ttm_bo.c:512 ttm_bo_release+0x4f9/0x5c0 [ttm]
[ 5469.999548] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes 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 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
[ 5470.004874] CPU: 0 PID: 809648 Comm: kworker/0:0 Tainted: G        W         5.12.0-rc1+ #153
[ 5470.005586] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[ 5470.006519] Workqueue: events qxl_gc_work [qxl]
[ 5470.007006] RIP: 0010:ttm_bo_release+0x4f9/0x5c0 [ttm]
[ 5470.007417] 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
[ 5470.008491] RSP: 0018:ffff9cbc019ebd80 EFLAGS: 00010202
[ 5470.008808] RAX: 0000000000000001 RBX: 000000000000000f RCX: 0000000000000000
[ 5470.009231] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffffffffc03ff168
[ 5470.009665] RBP: ffff8fc7d2443e48 R08: 0000000000000000 R09: 0000000000000000
[ 5470.010071] R10: 0000000000000000 R11: ffff8fc7c26d8ff8 R12: ffff8fc7c65bd300
[ 5470.010504] R13: ffff8fc7cc8d4d90 R14: ffff8fc7d2443eb0 R15: ffff8fc7c65bd100
[ 5470.010923] FS:  0000000000000000(0000) GS:ffff8fc83bc00000(0000) knlGS:0000000000000000
[ 5470.011448] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5470.011799] CR2: 000055ad43346130 CR3: 0000000177826005 CR4: 0000000000370ef0
[ 5470.012232] Call Trace:
[ 5470.012413]  qxl_bo_unref+0x31/0x50 [qxl]
[ 5470.012720]  qxl_release_free_list+0x52/0xa0 [qxl]
[ 5470.013073]  qxl_release_free+0x76/0xe0 [qxl]
[ 5470.013341]  qxl_garbage_collect+0xbd/0x170 [qxl]
[ 5470.013634]  process_one_work+0x26e/0x570
[ 5470.013875]  worker_thread+0x55/0x3c0
[ 5470.014098]  ? process_one_work+0x570/0x570
[ 5470.014363]  kthread+0x137/0x150
[ 5470.014575]  ? __kthread_bind_mask+0x60/0x60
[ 5470.014842]  ret_from_fork+0x1f/0x30
[ 5470.015076] irq event stamp: 0
[ 5470.015264] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[ 5470.015646] hardirqs last disabled at (0): [] copy_process+0x8c4/0x1ca0
[ 5470.016104] softirqs last  enabled at (0): [] copy_process+0x8c4/0x1ca0
[ 5470.016575] softirqs last disabled at (0): [<0000000000000000>] 0x0
[ 5470.016937] ---[ end trace 5f7855eb2e852c66 ]---
[ 5476.639607] ------------[ cut here ]------------
[ 5476.639879] WARNING: CPU: 0 PID: 809648 at drivers/gpu/drm/ttm/ttm_bo.c:512 ttm_bo_release+0x4f9/0x5c0 [ttm]
[ 5476.640499] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes 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 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
[ 5476.644170] CPU: 0 PID: 809648 Comm: kworker/0:0 Tainted: G        W         5.12.0-rc1+ #153
[ 5476.644712] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[ 5476.645204] Workqueue: events qxl_gc_work [qxl]
[ 5476.645479] RIP: 0010:ttm_bo_release+0x4f9/0x5c0 [ttm]
[ 5476.645782] 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
[ 5476.646833] RSP: 0018:ffff9cbc019ebd80 EFLAGS: 00010202
[ 5476.647139] RAX: 0000000000000001 RBX: 0000000000000005 RCX: 0000000000000000
[ 5476.647556] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffffffffc03ff168
[ 5476.647960] RBP: ffff8fc7d3307a48 R08: 0000000000000000 R09: 0000000000000000
[ 5476.648379] R10: 0000000000000000 R11: ffff8fc7c26d8ff8 R12: ffff8fc8340714e0
[ 5476.648785] R13: ffff8fc7cc8d4d90 R14: ffff8fc7d3307ab0 R15: ffff8fc7d1fbec00
[ 5476.649193] FS:  0000000000000000(0000) GS:ffff8fc83bc00000(0000) knlGS:0000000000000000
[ 5476.649655] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5476.649986] CR2: 00007f6998803d88 CR3: 0000000102956006 CR4: 0000000000370ef0
[ 5476.650405] Call Trace:
[ 5476.650554]  qxl_bo_unref+0x31/0x50 [qxl]
[ 5476.650791]  qxl_release_free_list+0x52/0xa0 [qxl]
[ 5476.651071]  qxl_release_free+0x76/0xe0 [qxl]
[ 5476.651336]  qxl_garbage_collect+0xbd/0x170 [qxl]
[ 5476.651639]  process_one_work+0x26e/0x570
[ 5476.651877]  worker_thread+0x55/0x3c0
[ 5476.652092]  ? process_one_work+0x570/0x570
[ 5476.652346]  kthread+0x137/0x150
[ 5476.652538]  ? __kthread_bind_mask+0x60/0x60
[ 5476.652787]  ret_from_fork+0x1f/0x30
[ 5476.653000] irq event stamp: 0
[ 5476.653182] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[ 5476.653551] hardirqs last disabled at (0): [] copy_process+0x8c4/0x1ca0
[ 5476.654015] softirqs last  enabled at (0): [] copy_process+0x8c4/0x1ca0
[ 5476.654490] softirqs last disabled at (0): [<0000000000000000>] 0x0
[ 5476.654849] ---[ end trace 5f7855eb2e852c67 ]---
[ 5476.655193] ------------[ cut here ]------------
[ 5476.655476] WARNING: CPU: 0 PID: 809648 at drivers/gpu/drm/ttm/ttm_bo.c:512 ttm_bo_release+0x4f9/0x5c0 [ttm]
[ 5476.656035] Modules linked in: dm_thin_pool dm_persistent_data dm_bio_prison dm_log_writes 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 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
[ 5476.659641] CPU: 0 PID: 809648 Comm: kworker/0:0 Tainted: G        W         5.12.0-rc1+ #153
[ 5476.660139] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[ 5476.660632] Workqueue: events qxl_gc_work [qxl]
[ 5476.660898] RIP: 0010:ttm_bo_release+0x4f9/0x5c0 [ttm]
[ 5476.661198] 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
[ 5476.662250] RSP: 0018:ffff9cbc019ebd80 EFLAGS: 00010202
[ 5476.662563] RAX: 0000000000000001 RBX: 000000000000000f RCX: 0000000000000000
[ 5476.662969] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffffffffc03ff168
[ 5476.663386] RBP: ffff8fc7d3307e48 R08: 0000000000000000 R09: 0000000000000000
[ 5476.663790] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8fc7c65bf900
[ 5476.664197] R13: ffff8fc7cc8d4d90 R14: ffff8fc7d3307eb0 R15: ffff8fc7c65bfa00
[ 5476.664610] FS:  0000000000000000(0000) GS:ffff8fc83bc00000(0000) knlGS:0000000000000000
[ 5476.665068] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5476.665411] CR2: 00007f6998803d88 CR3: 0000000102956006 CR4: 0000000000370ef0
[ 5476.665836] Call Trace:
[ 5476.665985]  qxl_bo_unref+0x31/0x50 [qxl]
[ 5476.666228]  qxl_release_free_list+0x52/0xa0 [qxl]
[ 5476.666563]  qxl_release_free+0x76/0xe0 [qxl]
[ 5476.666845]  qxl_garbage_collect+0xbd/0x170 [qxl]
[ 5476.667136]  process_one_work+0x26e/0x570
[ 5476.667402]  worker_thread+0x55/0x3c0
[ 5476.667619]  ? process_one_work+0x570/0x570
[ 5476.667869]  kthread+0x137/0x150
[ 5476.668086]  ? __kthread_bind_mask+0x60/0x60
[ 5476.668379]  ret_from_fork+0x1f/0x30
[ 5476.668607] irq event stamp: 0
[ 5476.668786] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[ 5476.669159] hardirqs last disabled at (0): [] copy_process+0x8c4/0x1ca0
[ 5476.669672] softirqs last  enabled at (0): [] copy_process+0x8c4/0x1ca0
[ 5476.670155] softirqs last disabled at (0): [<0000000000000000>] 0x0
[ 5476.670519] ---[ end trace 5f7855eb2e852c68 ]---
[ 5476.671032] BTRFS info (device dm-7): using free space tree
[ 5476.671379] BTRFS info (device dm-7): has skinny extents