[ 6154.572971] run fstests generic/066 at 2021-03-01 22:32:37
[ 6154.734006] BTRFS info (device dm-0): using free space tree
[ 6154.734345] BTRFS info (device dm-0): has skinny extents
[ 6154.994767] BTRFS: device fsid 548cf6ea-04c8-4a98-a1f1-37f7a90902f4 devid 1 transid 5 /dev/mapper/vg0-lv7 scanned by mkfs.btrfs (1280436)
[ 6155.005194] dm-9: detected capacity change from 0 to 20971520
[ 6155.039959] BTRFS info (device dm-9): enabling free space tree
[ 6155.040313] BTRFS info (device dm-9): using free space tree
[ 6155.040654] BTRFS info (device dm-9): has skinny extents
[ 6155.040963] BTRFS info (device dm-9): flagging fs with big metadata feature
[ 6155.042545] BTRFS info (device dm-9): creating free space tree
[ 6155.042950] BTRFS info (device dm-9): setting compat-ro feature flag for FREE_SPACE_TREE (0x1)
[ 6155.043454] BTRFS info (device dm-9): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[ 6155.063734] BTRFS info (device dm-9): cleaning free space cache v1
[ 6155.084576] BTRFS info (device dm-9): checking UUID tree
[ 6155.260967] BTRFS info (device dm-9): devid 1 device path /dev/mapper/flakey-test changed to /dev/dm-9 scanned by systemd-udevd (1272683)
[ 6155.262043] BTRFS info (device dm-9): devid 1 device path /dev/dm-9 changed to /dev/mapper/flakey-test scanned by systemd-udevd (1272683)
[ 6155.307759] BTRFS info (device dm-9): using free space tree
[ 6155.308124] BTRFS info (device dm-9): has skinny extents
[ 6155.309593] BTRFS info (device dm-9): start tree-log replay
[ 6155.375994] BTRFS info (device dm-9): devid 1 device path /dev/mapper/flakey-test changed to /dev/dm-9 scanned by systemd-udevd (1272683)
[ 6155.377072] BTRFS info (device dm-9): devid 1 device path /dev/dm-9 changed to /dev/mapper/flakey-test scanned by systemd-udevd (1272683)
[ 6155.426076] BTRFS info (device dm-9): using free space tree
[ 6155.426415] BTRFS info (device dm-9): has skinny extents
[ 6155.427918] BTRFS info (device dm-9): start tree-log replay
[ 6155.546729] ------------[ cut here ]------------
[ 6155.547003] WARNING: CPU: 0 PID: 1237623 at drivers/gpu/drm/ttm/ttm_bo.c:512 ttm_bo_release+0x4f9/0x5c0 [ttm]
[ 6155.547579] 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
[ 6155.551190] CPU: 0 PID: 1237623 Comm: kworker/0:1 Tainted: G        W         5.12.0-rc1+ #153
[ 6155.551687] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[ 6155.552169] Workqueue: events qxl_gc_work [qxl]
[ 6155.552440] RIP: 0010:ttm_bo_release+0x4f9/0x5c0 [ttm]
[ 6155.552743] 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
[ 6155.553800] RSP: 0000:ffff9cbc01a0bd80 EFLAGS: 00010202
[ 6155.554101] RAX: 0000000000000001 RBX: 000000000000000b RCX: 0000000000000000
[ 6155.554680] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffffffffc03ff168
[ 6155.555125] RBP: ffff8fc7d1363e48 R08: 0000000000000000 R09: 0000000000000000
[ 6155.555535] R10: 0000000000000000 R11: ffff8fc7c26d8ff8 R12: ffff8fc7d04c6000
[ 6155.555986] R13: ffff8fc7cc8d4d90 R14: ffff8fc7d1363eb0 R15: ffff8fc6c7a48400
[ 6155.556388] FS:  0000000000000000(0000) GS:ffff8fc83bc00000(0000) knlGS:0000000000000000
[ 6155.556912] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6155.557290] CR2: 0000558359a8c508 CR3: 0000000114c8e005 CR4: 0000000000370ef0
[ 6155.557724] Call Trace:
[ 6155.557878]  qxl_bo_unref+0x31/0x50 [qxl]
[ 6155.558139]  qxl_release_free_list+0x52/0xa0 [qxl]
[ 6155.558427]  qxl_release_free+0x76/0xe0 [qxl]
[ 6155.558686]  qxl_garbage_collect+0xbd/0x170 [qxl]
[ 6155.559001]  process_one_work+0x26e/0x570
[ 6155.559239]  worker_thread+0x55/0x3c0
[ 6155.559461]  ? process_one_work+0x570/0x570
[ 6155.559710]  kthread+0x137/0x150
[ 6155.559900]  ? __kthread_bind_mask+0x60/0x60