[ 6625.907264] run fstests generic/113 at 2021-03-01 22:40:28
[ 6626.248358] BTRFS info (device dm-0): using free space tree
[ 6626.248687] BTRFS info (device dm-0): has skinny extents
[ 6627.676280] BTRFS info (device dm-0): using free space tree
[ 6627.676618] BTRFS info (device dm-0): has skinny extents
[ 6628.117754] ------------[ cut here ]------------
[ 6628.118090] WARNING: CPU: 0 PID: 809663 at drivers/gpu/drm/ttm/ttm_bo.c:512 ttm_bo_release+0x4f9/0x5c0 [ttm]
[ 6628.118789] 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
[ 6628.123158] CPU: 0 PID: 809663 Comm: kworker/0:9 Tainted: G        W         5.12.0-rc1+ #153
[ 6628.123752] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[ 6628.124354] Workqueue: events qxl_gc_work [qxl]
[ 6628.124676] RIP: 0010:ttm_bo_release+0x4f9/0x5c0 [ttm]
[ 6628.125042] 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
[ 6628.126332] RSP: 0018:ffff9cbc014d3d80 EFLAGS: 00010202
[ 6628.126697] RAX: 0000000000000001 RBX: 0000000000000004 RCX: 0000000000000000
[ 6628.127205] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffffffffc03ff168
[ 6628.127696] RBP: ffff8fc7d10dca48 R08: 0000000000000000 R09: 0000000000000000
[ 6628.128203] R10: 0000000000000000 R11: ffff8fc7c26d8ff8 R12: ffff8fc7c45f53c0
[ 6628.128692] R13: ffff8fc7cc8d4d90 R14: ffff8fc7d10dcab0 R15: ffff8fc73acf8a00
[ 6628.129195] FS:  0000000000000000(0000) GS:ffff8fc83bc00000(0000) knlGS:0000000000000000
[ 6628.129748] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6628.130158] CR2: 00007f3de1a00c10 CR3: 00000001023aa002 CR4: 0000000000370ef0
[ 6628.130651] Call Trace:
[ 6628.130834]  qxl_bo_unref+0x31/0x50 [qxl]
[ 6628.131122]  qxl_release_free_list+0x52/0xa0 [qxl]
[ 6628.131469]  qxl_release_free+0x76/0xe0 [qxl]
[ 6628.131777]  qxl_garbage_collect+0xbd/0x170 [qxl]
[ 6628.132113]  process_one_work+0x26e/0x570
[ 6628.132414]  worker_thread+0x55/0x3c0
[ 6628.132675]  ? process_one_work+0x570/0x570
[ 6628.132974]  kthread+0x137/0x150
[ 6628.133216]  ? __kthread_bind_mask+0x60/0x60
[ 6628.133519]  ret_from_fork+0x1f/0x30
[ 6628.133775] irq event stamp: 0
[ 6628.133997] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[ 6628.134445] hardirqs last disabled at (0): [] copy_process+0x8c4/0x1ca0
[ 6628.135011] softirqs last  enabled at (0): [] copy_process+0x8c4/0x1ca0
[ 6628.135586] softirqs last disabled at (0): [<0000000000000000>] 0x0
[ 6628.136024] ---[ end trace 5f7855eb2e852dd8 ]---
[ 6628.136434] ------------[ cut here ]------------
[ 6628.136757] WARNING: CPU: 0 PID: 809663 at drivers/gpu/drm/ttm/ttm_bo.c:512 ttm_bo_release+0x4f9/0x5c0 [ttm]
[ 6628.137448] 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
[ 6628.141794] CPU: 0 PID: 809663 Comm: kworker/0:9 Tainted: G        W         5.12.0-rc1+ #153
[ 6628.142409] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[ 6628.142929] Workqueue: events qxl_gc_work [qxl]
[ 6628.143226] RIP: 0010:ttm_bo_release+0x4f9/0x5c0 [ttm]
[ 6628.143550] 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
[ 6628.144693] RSP: 0018:ffff9cbc014d3d80 EFLAGS: 00010202
[ 6628.145021] RAX: 0000000000000001 RBX: 000000000000000f RCX: 0000000000000000
[ 6628.145471] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffffffffc03ff168
[ 6628.145911] RBP: ffff8fc7cf831a48 R08: 0000000000000000 R09: 0000000000000000
[ 6628.146359] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8fc703e5e300
[ 6628.146795] R13: ffff8fc7cc8d4d90 R14: ffff8fc7cf831ab0 R15: ffff8fc703e5e500
[ 6628.147244] FS:  0000000000000000(0000) GS:ffff8fc83bc00000(0000) knlGS:0000000000000000
[ 6628.147725] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6628.148055] CR2: 00007f3de1a00c10 CR3: 00000001023aa002 CR4: 0000000000370ef0
[ 6628.148467] Call Trace:
[ 6628.148614]  qxl_bo_unref+0x31/0x50 [qxl]
[ 6628.148852]  qxl_release_free_list+0x52/0xa0 [qxl]
[ 6628.149139]  qxl_release_free+0x76/0xe0 [qxl]
[ 6628.149392]  qxl_garbage_collect+0xbd/0x170 [qxl]
[ 6628.149665]  process_one_work+0x26e/0x570
[ 6628.149902]  worker_thread+0x55/0x3c0
[ 6628.150117]  ? process_one_work+0x570/0x570
[ 6628.150369]  kthread+0x137/0x150
[ 6628.150558]  ? __kthread_bind_mask+0x60/0x60
[ 6628.150804]  ret_from_fork+0x1f/0x30
[ 6628.151018] irq event stamp: 0
[ 6628.151207] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[ 6628.151564] hardirqs last disabled at (0): [] copy_process+0x8c4/0x1ca0
[ 6628.152028] softirqs last  enabled at (0): [] copy_process+0x8c4/0x1ca0
[ 6628.152499] softirqs last disabled at (0): [<0000000000000000>] 0x0
[ 6628.152860] ---[ end trace 5f7855eb2e852dd9 ]---
[ 6629.831711] BTRFS info (device dm-0): using free space tree
[ 6629.832052] BTRFS info (device dm-0): has skinny extents
[ 6633.966001] BTRFS info (device dm-0): using free space tree
[ 6633.966355] BTRFS info (device dm-0): has skinny extents
[ 6634.773546] ------------[ cut here ]------------
[ 6634.773822] WARNING: CPU: 0 PID: 1330800 at drivers/gpu/drm/ttm/ttm_bo.c:512 ttm_bo_release+0x4f9/0x5c0 [ttm]
[ 6634.774404] 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
[ 6634.778224] CPU: 0 PID: 1330800 Comm: kworker/0:257 Tainted: G        W         5.12.0-rc1+ #153
[ 6634.778933] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[ 6634.779651] Workqueue: events qxl_gc_work [qxl]
[ 6634.779995] RIP: 0010:ttm_bo_release+0x4f9/0x5c0 [ttm]
[ 6634.780307] 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
[ 6634.781371] RSP: 0018:ffff9cbc0261fd80 EFLAGS: 00010202
[ 6634.781669] RAX: 0000000000000001 RBX: 0000000000000002 RCX: 0000000000000000
[ 6634.782089] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffffffffc03ff168
[ 6634.782495] RBP: ffff8fc7c2340248 R08: 0000000000000000 R09: 0000000000000000
[ 6634.782904] R10: 0000000000000000 R11: ffff8fc7c26d8ff8 R12: ffff8fc7c0ad5d00
[ 6634.783321] R13: ffff8fc7cc8d4d90 R14: ffff8fc7c23402b0 R15: ffff8fc7c4a49f00
[ 6634.783728] FS:  0000000000000000(0000) GS:ffff8fc83bc00000(0000) knlGS:0000000000000000
[ 6634.784203] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6634.784532] CR2: 00007fb7a71be000 CR3: 000000010291a002 CR4: 0000000000370ef0
[ 6634.784949] Call Trace:
[ 6634.785112]  qxl_bo_unref+0x31/0x50 [qxl]
[ 6634.785350]  qxl_release_free_list+0x52/0xa0 [qxl]
[ 6634.785628]  qxl_release_free+0x76/0xe0 [qxl]
[ 6634.785951]  qxl_garbage_collect+0xbd/0x170 [qxl]
[ 6634.786237]  process_one_work+0x26e/0x570
[ 6634.786475]  worker_thread+0x55/0x3c0
[ 6634.786689]  ? process_one_work+0x570/0x570
[ 6634.786938]  kthread+0x137/0x150
[ 6634.787140]  ? __kthread_bind_mask+0x60/0x60
[ 6634.787386]  ret_from_fork+0x1f/0x30
[ 6634.787600] irq event stamp: 0
[ 6634.787782] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[ 6634.788151] hardirqs last disabled at (0): [] copy_process+0x8c4/0x1ca0
[ 6634.788667] softirqs last  enabled at (0): [] copy_process+0x8c4/0x1ca0
[ 6634.789141] softirqs last disabled at (0): [<0000000000000000>] 0x0
[ 6634.789498] ---[ end trace 5f7855eb2e852dda ]---
[ 6634.789838] ------------[ cut here ]------------
[ 6634.790116] WARNING: CPU: 0 PID: 1330800 at drivers/gpu/drm/ttm/ttm_bo.c:512 ttm_bo_release+0x4f9/0x5c0 [ttm]
[ 6634.790677] 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
[ 6634.794394] CPU: 0 PID: 1330800 Comm: kworker/0:257 Tainted: G        W         5.12.0-rc1+ #153
[ 6634.794897] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[ 6634.795393] Workqueue: events qxl_gc_work [qxl]
[ 6634.795659] RIP: 0010:ttm_bo_release+0x4f9/0x5c0 [ttm]
[ 6634.796017] 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
[ 6634.797075] RSP: 0018:ffff9cbc0261fd80 EFLAGS: 00010202
[ 6634.797376] RAX: 0000000000000001 RBX: 000000000000000f RCX: 0000000000000000
[ 6634.797784] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffffffffc03ff168
[ 6634.798203] RBP: ffff8fc7d1361648 R08: 0000000000000000 R09: 0000000000000000
[ 6634.798663] R10: 0000000000000000 R11: ffff8fc7c26d8ff8 R12: ffff8fc7d13cea00
[ 6634.799081] R13: ffff8fc7cc8d4d90 R14: ffff8fc7d13616b0 R15: ffff8fc7d13ce600
[ 6634.799482] FS:  0000000000000000(0000) GS:ffff8fc83bc00000(0000) knlGS:0000000000000000
[ 6634.799943] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6634.800284] CR2: 00007fb7a71be000 CR3: 000000010291a002 CR4: 0000000000370ef0
[ 6634.800692] Call Trace:
[ 6634.800895]  qxl_bo_unref+0x31/0x50 [qxl]
[ 6634.801188]  qxl_release_free_list+0x52/0xa0 [qxl]
[ 6634.801470]  qxl_release_free+0x76/0xe0 [qxl]
[ 6634.801722]  qxl_garbage_collect+0xbd/0x170 [qxl]
[ 6634.801998]  process_one_work+0x26e/0x570
[ 6634.802244]  worker_thread+0x55/0x3c0
[ 6634.802459]  ? process_one_work+0x570/0x570
[ 6634.802703]  kthread+0x137/0x150
[ 6634.802896]  ? __kthread_bind_mask+0x60/0x60
[ 6634.803155]  ret_from_fork+0x1f/0x30
[ 6634.803372] irq event stamp: 0
[ 6634.803600] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[ 6634.803957] hardirqs last disabled at (0): [] copy_process+0x8c4/0x1ca0
[ 6634.804426] softirqs last  enabled at (0): [] copy_process+0x8c4/0x1ca0
[ 6634.804886] softirqs last disabled at (0): [<0000000000000000>] 0x0
[ 6634.805253] ---[ end trace 5f7855eb2e852ddb ]---
[ 6634.805584] ------------[ cut here ]------------
[ 6634.805853] WARNING: CPU: 0 PID: 1330800 at drivers/gpu/drm/ttm/ttm_bo.c:512 ttm_bo_release+0x4f9/0x5c0 [ttm]
[ 6634.806474] 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
[ 6634.810112] CPU: 0 PID: 1330800 Comm: kworker/0:257 Tainted: G        W         5.12.0-rc1+ #153
[ 6634.810607] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[ 6634.811154] Workqueue: events qxl_gc_work [qxl]
[ 6634.811446] RIP: 0010:ttm_bo_release+0x4f9/0x5c0 [ttm]
[ 6634.811744] 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
[ 6634.812809] RSP: 0018:ffff9cbc0261fd80 EFLAGS: 00010202
[ 6634.813122] RAX: 0000000000000001 RBX: 000000000000000f RCX: 0000000000000000
[ 6634.813544] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffffffffc03ff168
[ 6634.814076] RBP: ffff8fc7cf446e48 R08: 0000000000000000 R09: 0000000000000000
[ 6634.814482] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8fc7d5932400
[ 6634.814886] R13: ffff8fc7cc8d4d90 R14: ffff8fc7cf446eb0 R15: ffff8fc7d5932600
[ 6634.815296] FS:  0000000000000000(0000) GS:ffff8fc83bc00000(0000) knlGS:0000000000000000
[ 6634.815752] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6634.816094] CR2: 00007fb7a71be000 CR3: 000000010291a002 CR4: 0000000000370ef0
[ 6634.816499] Call Trace:
[ 6634.816644]  qxl_bo_unref+0x31/0x50 [qxl]
[ 6634.816882]  qxl_release_free_list+0x52/0xa0 [qxl]
[ 6634.817174]  qxl_release_free+0x76/0xe0 [qxl]
[ 6634.817429]  qxl_garbage_collect+0xbd/0x170 [qxl]
[ 6634.817724]  process_one_work+0x26e/0x570
[ 6634.818060]  worker_thread+0x55/0x3c0
[ 6634.818309]  ? process_one_work+0x570/0x570
[ 6634.818551]  kthread+0x137/0x150
[ 6634.818740]  ? __kthread_bind_mask+0x60/0x60
[ 6634.818991]  ret_from_fork+0x1f/0x30
[ 6634.819216] irq event stamp: 0
[ 6634.819396] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[ 6634.819752] hardirqs last disabled at (0): [] copy_process+0x8c4/0x1ca0
[ 6634.820237] softirqs last  enabled at (0): [] copy_process+0x8c4/0x1ca0
[ 6634.820694] softirqs last disabled at (0): [<0000000000000000>] 0x0
[ 6634.821050] ---[ end trace 5f7855eb2e852ddc ]---
[ 6638.881071] BTRFS info (device dm-0): using free space tree
[ 6638.881406] BTRFS info (device dm-0): has skinny extents
[ 6641.429342] ------------[ cut here ]------------
[ 6641.429614] WARNING: CPU: 0 PID: 1330726 at drivers/gpu/drm/ttm/ttm_bo.c:512 ttm_bo_release+0x4f9/0x5c0 [ttm]
[ 6641.430203] 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
[ 6641.433780] CPU: 0 PID: 1330726 Comm: kworker/0:183 Tainted: G        W         5.12.0-rc1+ #153
[ 6641.434287] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[ 6641.434767] Workqueue: events qxl_gc_work [qxl]
[ 6641.435045] RIP: 0010:ttm_bo_release+0x4f9/0x5c0 [ttm]
[ 6641.435341] 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
[ 6641.436395] RSP: 0018:ffff9cbc023cfd80 EFLAGS: 00010202
[ 6641.436698] RAX: 0000000000000001 RBX: 000000000000000f RCX: 0000000000000000
[ 6641.437111] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffffffffc03ff168
[ 6641.437512] RBP: ffff8fc81ed82648 R08: 0000000000000000 R09: 0000000000000000
[ 6641.437920] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8fc7d13ce100
[ 6641.438333] R13: ffff8fc7cc8d4d90 R14: ffff8fc81ed826b0 R15: ffff8fc7d13ce000
[ 6641.438739] FS:  0000000000000000(0000) GS:ffff8fc83bc00000(0000) knlGS:0000000000000000
[ 6641.439205] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6641.439531] CR2: 00007f8d00186c10 CR3: 0000000148034006 CR4: 0000000000370ef0
[ 6641.439937] Call Trace:
[ 6641.440098]  qxl_bo_unref+0x31/0x50 [qxl]
[ 6641.440333]  qxl_release_free_list+0x52/0xa0 [qxl]
[ 6641.440611]  qxl_release_free+0x76/0xe0 [qxl]
[ 6641.440867]  qxl_garbage_collect+0xbd/0x170 [qxl]
[ 6641.441151]  process_one_work+0x26e/0x570
[ 6641.441384]  worker_thread+0x55/0x3c0
[ 6641.441598]  ? process_one_work+0x570/0x570
[ 6641.441843]  kthread+0x137/0x150
[ 6641.442044]  ? __kthread_bind_mask+0x60/0x60
[ 6641.442291]  ret_from_fork+0x1f/0x30
[ 6641.442502] irq event stamp: 0
[ 6641.442683] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[ 6641.443050] hardirqs last disabled at (0): [] copy_process+0x8c4/0x1ca0
[ 6641.443511] softirqs last  enabled at (0): [] copy_process+0x8c4/0x1ca0
[ 6641.443974] softirqs last disabled at (0): [<0000000000000000>] 0x0
[ 6641.444341] ---[ end trace 5f7855eb2e852ddd ]---
[ 6641.444676] ------------[ cut here ]------------
[ 6641.444945] WARNING: CPU: 0 PID: 1330726 at drivers/gpu/drm/ttm/ttm_bo.c:512 ttm_bo_release+0x4f9/0x5c0 [ttm]
[ 6641.445516] 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
[ 6641.449111] CPU: 0 PID: 1330726 Comm: kworker/0:183 Tainted: G        W         5.12.0-rc1+ #153
[ 6641.449606] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[ 6641.450101] Workqueue: events qxl_gc_work [qxl]
[ 6641.450363] RIP: 0010:ttm_bo_release+0x4f9/0x5c0 [ttm]
[ 6641.450658] 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
[ 6641.451705] RSP: 0018:ffff9cbc023cfd80 EFLAGS: 00010202
[ 6641.452003] RAX: 0000000000000001 RBX: 000000000000000f RCX: 0000000000000000
[ 6641.452415] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffffffffc03ff168
[ 6641.452821] RBP: ffff8fc7d3292648 R08: 0000000000000000 R09: 0000000000000000
[ 6641.453234] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8fc7fe232000
[ 6641.453633] R13: ffff8fc7cc8d4d90 R14: ffff8fc7d32926b0 R15: ffff8fc7fe232400
[ 6641.454051] FS:  0000000000000000(0000) GS:ffff8fc83bc00000(0000) knlGS:0000000000000000
[ 6641.454509] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6641.454834] CR2: 00007f8d00186c10 CR3: 0000000148034006 CR4: 0000000000370ef0
[ 6641.455245] Call Trace:
[ 6641.455392]  qxl_bo_unref+0x31/0x50 [qxl]
[ 6641.455626]  qxl_release_free_list+0x52/0xa0 [qxl]
[ 6641.455904]  qxl_release_free+0x76/0xe0 [qxl]
[ 6641.456169]  qxl_garbage_collect+0xbd/0x170 [qxl]
[ 6641.456440]  process_one_work+0x26e/0x570
[ 6641.456674]  worker_thread+0x55/0x3c0
[ 6641.456889]  ? process_one_work+0x570/0x570
[ 6641.457144]  kthread+0x137/0x150
[ 6641.457333]  ? __kthread_bind_mask+0x60/0x60
[ 6641.457578]  ret_from_fork+0x1f/0x30
[ 6641.457791] irq event stamp: 0
[ 6641.457968] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[ 6641.458334] hardirqs last disabled at (0): [] copy_process+0x8c4/0x1ca0
[ 6641.458801] softirqs last  enabled at (0): [] copy_process+0x8c4/0x1ca0
[ 6641.459272] softirqs last disabled at (0): [<0000000000000000>] 0x0
[ 6641.459627] ---[ end trace 5f7855eb2e852dde ]---
[ 6641.819152] BTRFS info (device dm-0): using free space tree
[ 6641.819491] BTRFS info (device dm-0): has skinny extents
[ 6642.352971] BTRFS info (device dm-0): using free space tree
[ 6642.353321] BTRFS info (device dm-0): has skinny extents