Test output


[ 3358.894220] run fstests btrfs/027 at 2021-03-01 21:46:01
[ 3359.044242] BTRFS info (device dm-0): using free space tree
[ 3359.044587] BTRFS info (device dm-0): has skinny extents
[ 3359.789200] BTRFS: device fsid 24ad3c99-4ab1-48c2-a4c5-c4f128274ef3 devid 1 transid 5 /dev/dm-7 scanned by systemd-udevd (265811)
[ 3359.800279] BTRFS: device fsid 24ad3c99-4ab1-48c2-a4c5-c4f128274ef3 devid 2 transid 5 /dev/dm-6 scanned by systemd-udevd (265811)
[ 3359.804549] BTRFS: device fsid 24ad3c99-4ab1-48c2-a4c5-c4f128274ef3 devid 3 transid 5 /dev/dm-5 scanned by systemd-udevd (265809)
[ 3359.814507] BTRFS: device fsid 24ad3c99-4ab1-48c2-a4c5-c4f128274ef3 devid 4 transid 5 /dev/dm-4 scanned by systemd-udevd (265811)
[ 3359.816762] BTRFS: device fsid 24ad3c99-4ab1-48c2-a4c5-c4f128274ef3 devid 5 transid 5 /dev/mapper/vg0-lv3 scanned by mkfs.btrfs (267700)
[ 3359.817756] BTRFS: device fsid 24ad3c99-4ab1-48c2-a4c5-c4f128274ef3 devid 6 transid 5 /dev/mapper/vg0-lv2 scanned by mkfs.btrfs (267700)
[ 3359.829110] BTRFS info (device dm-7): enabling free space tree
[ 3359.829276] BTRFS info: devid 6 device path /dev/mapper/vg0-lv2 changed to /dev/dm-2 scanned by systemd-udevd (265473)
[ 3359.829602] BTRFS info (device dm-7): using free space tree
[ 3359.830679] BTRFS info (device dm-7): has skinny extents
[ 3359.831098] BTRFS info (device dm-7): flagging fs with big metadata feature
[ 3359.831939] BTRFS info: devid 6 device path /dev/dm-2 changed to /dev/mapper/vg0-lv2 scanned by systemd-udevd (265473)
[ 3359.850488] BTRFS info: devid 3 device path /dev/mapper/vg0-lv5 changed to /dev/dm-5 scanned by systemd-udevd (265811)
[ 3359.852280] BTRFS info: devid 3 device path /dev/dm-5 changed to /dev/mapper/vg0-lv5 scanned by systemd-udevd (265811)
[ 3359.853048] BTRFS info: devid 1 device path /dev/mapper/vg0-lv7 changed to /dev/dm-7 scanned by systemd-udevd (265284)
[ 3359.854779] BTRFS info: devid 2 device path /dev/mapper/vg0-lv6 changed to /dev/dm-6 scanned by systemd-udevd (265808)
[ 3359.855402] BTRFS info: devid 1 device path /dev/dm-7 changed to /dev/mapper/vg0-lv7 scanned by systemd-udevd (265284)
[ 3359.856308] BTRFS info: devid 2 device path /dev/dm-6 changed to /dev/mapper/vg0-lv6 scanned by systemd-udevd (265808)
[ 3359.866311] BTRFS info (device dm-7): creating free space tree
[ 3359.867975] BTRFS info (device dm-7): setting compat-ro feature flag for FREE_SPACE_TREE (0x1)
[ 3359.868493] BTRFS info (device dm-7): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[ 3359.890658] BTRFS info (device dm-7): cleaning free space cache v1
[ 3359.890658] BTRFS info (device dm-7): devid 3 device path /dev/mapper/vg0-lv5 changed to /dev/dm-5 scanned by systemd-udevd (265811)
[ 3359.891670] BTRFS info (device dm-7): devid 3 device path /dev/dm-5 changed to /dev/mapper/vg0-lv5 scanned by systemd-udevd (265811)
[ 3359.892539] BTRFS info (device dm-7): devid 2 device path /dev/mapper/vg0-lv6 changed to /dev/dm-6 scanned by systemd-udevd (265473)
[ 3359.908513] BTRFS info (device dm-7): checking UUID tree
[ 3359.908932] BTRFS info (device dm-7): devid 2 device path /dev/dm-6 changed to /dev/mapper/vg0-lv6 scanned by systemd-udevd (265473)
[ 3359.909858] BTRFS info (device dm-7): devid 1 device path /dev/mapper/vg0-lv7 changed to /dev/dm-7 scanned by systemd-udevd (265809)
[ 3359.911397] BTRFS info (device dm-7): devid 1 device path /dev/dm-7 changed to /dev/mapper/vg0-lv7 scanned by systemd-udevd (265809)
[ 3360.230014] BTRFS info (device dm-7): allowing degraded mounts
[ 3360.230395] BTRFS info (device dm-7): using free space tree
[ 3360.230720] BTRFS info (device dm-7): has skinny extents
[ 3360.231700] BTRFS warning (device dm-7): devid 2 uuid 8e2c3815-1ae7-4efe-acb2-72881e032349 is missing
[ 3360.241896] BTRFS info (device dm-7): dev_replace from  (devid 2) to /dev/mapper/vg0-lv1 started
[ 3360.329378] BTRFS info (device dm-7): dev_replace from  (devid 2) to /dev/mapper/vg0-lv1 finished
[ 3360.354871] BTRFS info (device dm-7): scrub: started on devid 1
[ 3360.354973] BTRFS info (device dm-7): scrub: started on devid 6
[ 3360.355662] BTRFS info (device dm-7): scrub: finished on devid 1 with status: 0
[ 3360.356272] BTRFS info (device dm-7): scrub: started on devid 4
[ 3360.356389] BTRFS info (device dm-7): scrub: started on devid 5
[ 3360.356684] BTRFS info (device dm-7): scrub: finished on devid 4 with status: 0
[ 3360.357222] BTRFS info (device dm-7): scrub: started on devid 3
[ 3360.357455] BTRFS info (device dm-7): scrub: started on devid 2
[ 3360.358243] BTRFS info (device dm-7): scrub: finished on devid 3 with status: 0
[ 3360.358899] BTRFS info (device dm-7): scrub: finished on devid 2 with status: 0
[ 3360.361330] BTRFS info (device dm-7): scrub: finished on devid 6 with status: 0
[ 3360.363574] BTRFS info (device dm-7): scrub: finished on devid 5 with status: 0
[ 3360.974540] BTRFS: device fsid 6acbe5f3-7e9a-4695-8994-8ff535ea9270 devid 1 transid 5 /dev/dm-7 scanned by systemd-udevd (265811)
[ 3360.978441] BTRFS: device fsid 6acbe5f3-7e9a-4695-8994-8ff535ea9270 devid 2 transid 5 /dev/dm-6 scanned by systemd-udevd (265809)
[ 3360.983706] BTRFS: device fsid 6acbe5f3-7e9a-4695-8994-8ff535ea9270 devid 3 transid 5 /dev/dm-5 scanned by systemd-udevd (265473)
[ 3360.992238] BTRFS: device fsid 6acbe5f3-7e9a-4695-8994-8ff535ea9270 devid 4 transid 5 /dev/dm-4 scanned by systemd-udevd (265811)
[ 3360.993665] BTRFS: device fsid 6acbe5f3-7e9a-4695-8994-8ff535ea9270 devid 5 transid 5 /dev/mapper/vg0-lv3 scanned by mkfs.btrfs (267838)
[ 3360.994593] BTRFS: device fsid 6acbe5f3-7e9a-4695-8994-8ff535ea9270 devid 6 transid 5 /dev/mapper/vg0-lv2 scanned by mkfs.btrfs (267838)
[ 3361.008143] BTRFS info (device dm-7): enabling free space tree
[ 3361.008495] BTRFS info (device dm-7): using free space tree
[ 3361.008739] BTRFS info: devid 6 device path /dev/dm-2 changed to /dev/mapper/vg0-lv2 scanned by systemd-udevd (265473)
[ 3361.008813] BTRFS info (device dm-7): has skinny extents
[ 3361.009710] BTRFS info (device dm-7): flagging fs with big metadata feature
[ 3361.012089] BTRFS info: devid 5 device path /dev/mapper/vg0-lv3 changed to /dev/dm-3 scanned by systemd-udevd (265809)
[ 3361.013564] BTRFS info: devid 5 device path /dev/dm-3 changed to /dev/mapper/vg0-lv3 scanned by systemd-udevd (265809)
[ 3361.030677] BTRFS info (device dm-7): creating free space tree
[ 3361.031249] BTRFS info (device dm-7): setting compat-ro feature flag for FREE_SPACE_TREE (0x1)
[ 3361.032004] BTRFS info (device dm-7): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[ 3361.044829] BTRFS info (device dm-7): cleaning free space cache v1
[ 3361.045410] BTRFS info (device dm-7): devid 1 device path /dev/mapper/vg0-lv7 changed to /dev/dm-7 scanned by systemd-udevd (265284)
[ 3361.062108] BTRFS info (device dm-7): checking UUID tree
[ 3361.062133] BTRFS info (device dm-7): devid 2 device path /dev/mapper/vg0-lv6 changed to /dev/dm-6 scanned by systemd-udevd (265808)
[ 3361.064899] BTRFS info (device dm-7): devid 3 device path /dev/dm-5 changed to /dev/mapper/vg0-lv5 scanned by systemd-udevd (265811)
[ 3361.066080] BTRFS info (device dm-7): devid 2 device path /dev/dm-6 changed to /dev/mapper/vg0-lv6 scanned by systemd-udevd (265808)
[ 3361.068889] BTRFS info (device dm-7): devid 1 device path /dev/dm-7 changed to /dev/mapper/vg0-lv7 scanned by systemd-udevd (265284)
[ 3361.098034] BTRFS info (device dm-7): devid 3 device path /dev/mapper/vg0-lv5 changed to /dev/dm-5 scanned by systemd-udevd (265811)
[ 3361.099670] BTRFS info (device dm-7): devid 3 device path /dev/dm-5 changed to /dev/mapper/vg0-lv5 scanned by systemd-udevd (265811)
[ 3361.113296] BTRFS info (device dm-7): devid 2 device path /dev/mapper/vg0-lv6 changed to /dev/dm-6 scanned by systemd-udevd (265809)
[ 3361.115785] BTRFS info (device dm-7): devid 1 device path /dev/mapper/vg0-lv7 changed to /dev/dm-7 scanned by systemd-udevd (265473)
[ 3361.117389] BTRFS info (device dm-7): devid 1 device path /dev/dm-7 changed to /dev/mapper/vg0-lv7 scanned by systemd-udevd (265473)
[ 3361.118340] BTRFS info (device dm-7): devid 2 device path /dev/dm-6 changed to /dev/mapper/vg0-lv6 scanned by systemd-udevd (265809)
[ 3361.467076] BTRFS info (device dm-7): allowing degraded mounts
[ 3361.467581] BTRFS info (device dm-7): using free space tree
[ 3361.468056] BTRFS info (device dm-7): has skinny extents
[ 3361.469222] BTRFS warning (device dm-7): devid 2 uuid 34c520a0-e4ca-41dd-a1a9-6f1d850dcef2 is missing
[ 3361.470056] BTRFS warning (device dm-7): devid 2 uuid 34c520a0-e4ca-41dd-a1a9-6f1d850dcef2 is missing
[ 3361.509530] BTRFS info (device dm-7): dev_replace from  (devid 2) to /dev/mapper/vg0-lv1 started
[ 3361.604415] BTRFS info (device dm-7): dev_replace from  (devid 2) to /dev/mapper/vg0-lv1 finished
[ 3361.623838] BTRFS info (device dm-7): scrub: started on devid 1
[ 3361.623927] BTRFS info (device dm-7): scrub: started on devid 3
[ 3361.624605] BTRFS info (device dm-7): scrub: started on devid 2
[ 3361.624660] BTRFS info (device dm-7): scrub: started on devid 4
[ 3361.626846] BTRFS info (device dm-7): scrub: finished on devid 2 with status: 0
[ 3361.626889] BTRFS info (device dm-7): scrub: started on devid 5
[ 3361.627852] BTRFS info (device dm-7): scrub: finished on devid 1 with status: 0
[ 3361.628331] BTRFS info (device dm-7): scrub: started on devid 6
[ 3361.636398] BTRFS info (device dm-7): scrub: finished on devid 5 with status: 0
[ 3361.638320] BTRFS info (device dm-7): scrub: finished on devid 3 with status: 0
[ 3361.638841] BTRFS info (device dm-7): scrub: finished on devid 6 with status: 0
[ 3361.639738] BTRFS info (device dm-7): scrub: finished on devid 4 with status: 0
[ 3362.250855] BTRFS: device fsid df351c4d-daeb-425f-9954-bc818da7050e devid 1 transid 5 /dev/dm-7 scanned by systemd-udevd (265811)
[ 3362.261604] BTRFS: device fsid df351c4d-daeb-425f-9954-bc818da7050e devid 2 transid 5 /dev/dm-6 scanned by systemd-udevd (265811)
[ 3362.267967] BTRFS: device fsid df351c4d-daeb-425f-9954-bc818da7050e devid 3 transid 5 /dev/dm-5 scanned by systemd-udevd (265809)
[ 3362.275482] BTRFS: device fsid df351c4d-daeb-425f-9954-bc818da7050e devid 4 transid 5 /dev/dm-4 scanned by systemd-udevd (265811)
[ 3362.276522] BTRFS: device fsid df351c4d-daeb-425f-9954-bc818da7050e devid 5 transid 5 /dev/dm-3 scanned by systemd-udevd (265473)
[ 3362.278735] BTRFS: device fsid df351c4d-daeb-425f-9954-bc818da7050e devid 6 transid 5 /dev/mapper/vg0-lv2 scanned by mkfs.btrfs (267980)
[ 3362.289373] BTRFS info: devid 6 device path /dev/mapper/vg0-lv2 changed to /dev/dm-2 scanned by systemd-udevd (265809)
[ 3362.289446] BTRFS info (device dm-7): enabling free space tree
[ 3362.290316] BTRFS info (device dm-7): using free space tree
[ 3362.290676] BTRFS info (device dm-7): has skinny extents
[ 3362.290918] BTRFS info: devid 6 device path /dev/dm-2 changed to /dev/mapper/vg0-lv2 scanned by systemd-udevd (265809)
[ 3362.290977] BTRFS info (device dm-7): flagging fs with big metadata feature
[ 3362.293388] BTRFS info (device dm-7): creating free space tree
[ 3362.293851] BTRFS info (device dm-7): setting compat-ro feature flag for FREE_SPACE_TREE (0x1)
[ 3362.294372] BTRFS info (device dm-7): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[ 3362.314786] BTRFS info (device dm-7): devid 4 device path /dev/mapper/vg0-lv4 changed to /dev/dm-4 scanned by systemd-udevd (265811)
[ 3362.314789] BTRFS info (device dm-7): cleaning free space cache v1
[ 3362.316002] BTRFS info (device dm-7): devid 2 device path /dev/mapper/vg0-lv6 changed to /dev/dm-6 scanned by systemd-udevd (265808)
[ 3362.328503] BTRFS info (device dm-7): checking UUID tree
[ 3362.328526] BTRFS info (device dm-7): devid 1 device path /dev/mapper/vg0-lv7 changed to /dev/dm-7 scanned by systemd-udevd (265284)
[ 3362.625608] BTRFS warning (device dm-7): devid 2 uuid 91ed3c61-6c68-47c0-a0c5-06046fcb9292 is missing
[ 3362.626313] BTRFS warning (device dm-7): devid 2 uuid 91ed3c61-6c68-47c0-a0c5-06046fcb9292 is missing
[ 3363.177903] BTRFS: device fsid c32da2e1-63ff-496c-a726-b9052358a3e3 devid 1 transid 5 /dev/dm-7 scanned by systemd-udevd (265811)
[ 3363.183308] BTRFS: device fsid c32da2e1-63ff-496c-a726-b9052358a3e3 devid 2 transid 5 /dev/dm-6 scanned by systemd-udevd (265809)
[ 3363.189233] BTRFS: device fsid c32da2e1-63ff-496c-a726-b9052358a3e3 devid 3 transid 5 /dev/dm-5 scanned by systemd-udevd (265811)
[ 3363.194317] BTRFS: device fsid c32da2e1-63ff-496c-a726-b9052358a3e3 devid 4 transid 5 /dev/mapper/vg0-lv4 scanned by mkfs.btrfs (268117)
[ 3363.195219] BTRFS: device fsid c32da2e1-63ff-496c-a726-b9052358a3e3 devid 5 transid 5 /dev/mapper/vg0-lv3 scanned by mkfs.btrfs (268117)
[ 3363.196002] BTRFS: device fsid c32da2e1-63ff-496c-a726-b9052358a3e3 devid 6 transid 5 /dev/mapper/vg0-lv2 scanned by mkfs.btrfs (268117)
[ 3363.204959] btrfs_printk: 22 callbacks suppressed
[ 3363.204970] BTRFS info: devid 4 device path /dev/dm-4 changed to /dev/mapper/vg0-lv4 scanned by systemd-udevd (265809)
[ 3363.206228] BTRFS info (device dm-7): enabling free space tree
[ 3363.206573] BTRFS info (device dm-7): using free space tree
[ 3363.206888] BTRFS info (device dm-7): has skinny extents
[ 3363.207208] BTRFS info (device dm-7): flagging fs with big metadata feature
[ 3363.208523] BTRFS info: devid 6 device path /dev/mapper/vg0-lv2 changed to /dev/dm-2 scanned by systemd-udevd (265811)
[ 3363.210078] BTRFS info: devid 6 device path /dev/dm-2 changed to /dev/mapper/vg0-lv2 scanned by systemd-udevd (265811)
[ 3363.212390] BTRFS info: devid 5 device path /dev/mapper/vg0-lv3 changed to /dev/dm-3 scanned by systemd-udevd (265473)
[ 3363.213801] BTRFS info: devid 5 device path /dev/dm-3 changed to /dev/mapper/vg0-lv3 scanned by systemd-udevd (265473)
[ 3363.222723] BTRFS info: devid 2 device path /dev/mapper/vg0-lv6 changed to /dev/dm-6 scanned by systemd-udevd (265284)
[ 3363.224208] BTRFS info: devid 2 device path /dev/dm-6 changed to /dev/mapper/vg0-lv6 scanned by systemd-udevd (265284)
[ 3363.227912] BTRFS info: devid 1 device path /dev/mapper/vg0-lv7 changed to /dev/dm-7 scanned by systemd-udevd (265267)
[ 3363.229819] BTRFS info: devid 1 device path /dev/dm-7 changed to /dev/mapper/vg0-lv7 scanned by systemd-udevd (265267)
[ 3363.230470] BTRFS info: devid 3 device path /dev/mapper/vg0-lv5 changed to /dev/dm-5 scanned by systemd-udevd (265808)
[ 3363.231890] BTRFS info: devid 3 device path /dev/dm-5 changed to /dev/mapper/vg0-lv5 scanned by systemd-udevd (265808)
[ 3363.256588] BTRFS info (device dm-7): creating free space tree
[ 3363.259109] BTRFS info (device dm-7): setting compat-ro feature flag for FREE_SPACE_TREE (0x1)
[ 3363.259613] BTRFS info (device dm-7): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[ 3363.268928] BTRFS info (device dm-7): cleaning free space cache v1
[ 3363.277987] BTRFS info (device dm-7): checking UUID tree
[ 3363.713700] BTRFS info (device dm-7): allowing degraded mounts
[ 3363.714110] BTRFS info (device dm-7): using free space tree
[ 3363.714476] BTRFS info (device dm-7): has skinny extents
[ 3363.715353] BTRFS warning (device dm-7): devid 2 uuid 694d914b-15e0-4986-ae6b-a780e8a600e3 is missing
[ 3363.716130] BTRFS warning (device dm-7): devid 2 uuid 694d914b-15e0-4986-ae6b-a780e8a600e3 is missing
[ 3363.747938] BTRFS info (device dm-7): dev_replace from  (devid 2) to /dev/mapper/vg0-lv1 started
[ 3363.860534] BTRFS info (device dm-7): dev_replace from  (devid 2) to /dev/mapper/vg0-lv1 finished
[ 3363.926822] BTRFS info (device dm-7): scrub: started on devid 1
[ 3363.926967] BTRFS info (device dm-7): scrub: started on devid 3
[ 3363.928874] BTRFS info (device dm-7): scrub: started on devid 4
[ 3363.928910] BTRFS info (device dm-7): scrub: started on devid 2
[ 3363.929951] BTRFS info (device dm-7): scrub: started on devid 5
[ 3363.930933] BTRFS info (device dm-7): scrub: started on devid 6
[ 3363.949246] BTRFS info (device dm-7): scrub: finished on devid 2 with status: 0
[ 3363.951744] BTRFS info (device dm-7): scrub: finished on devid 3 with status: 0
[ 3363.953501] ------------[ cut here ]------------
[ 3363.953617] BTRFS info (device dm-7): scrub: finished on devid 5 with status: 0
[ 3363.953775] WARNING: CPU: 0 PID: 250861 at drivers/gpu/drm/ttm/ttm_bo.c:512 ttm_bo_release+0x4f9/0x5c0 [ttm]
[ 3363.954777] Modules linked in: 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
[ 3363.958104] CPU: 0 PID: 250861 Comm: kworker/0:0 Tainted: G        W         5.12.0-rc1+ #153
[ 3363.958270] BTRFS info (device dm-7): scrub: finished on devid 1 with status: 0
[ 3363.958664] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[ 3363.959226] BTRFS info (device dm-7): scrub: finished on devid 4 with status: 0
[ 3363.959588] Workqueue: events qxl_gc_work [qxl]
[ 3363.960267] RIP: 0010:ttm_bo_release+0x4f9/0x5c0 [ttm]
[ 3363.960572] 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
[ 3363.961925] RSP: 0018:ffff9cbc0169bd80 EFLAGS: 00010202
[ 3363.962428] RAX: 0000000000000001 RBX: 0000000000000009 RCX: 0000000000000000
[ 3363.963068] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffffffffc03ff168
[ 3363.963489] RBP: ffff8fc7cf447248 R08: 0000000000000000 R09: 0000000000000000
[ 3363.963892] R10: 0000000000000000 R11: ffff8fc7c26d8ff8 R12: ffff8fc7ccbb3c00
[ 3363.964311] R13: ffff8fc7cc8d4d90 R14: ffff8fc7cf4472b0 R15: ffff8fc7c45d0800
[ 3363.964716] FS:  0000000000000000(0000) GS:ffff8fc83bc00000(0000) knlGS:0000000000000000
[ 3363.965228] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3363.965560] CR2: 00007fd35489fba0 CR3: 000000010f5fa005 CR4: 0000000000370ef0
[ 3363.965970] Call Trace:
[ 3363.966129]  qxl_bo_unref+0x31/0x50 [qxl]
[ 3363.966371]  qxl_release_free_list+0x52/0xa0 [qxl]
[ 3363.966649]  qxl_release_free+0x76/0xe0 [qxl]
[ 3363.966902]  qxl_garbage_collect+0xbd/0x170 [qxl]
[ 3363.967186]  process_one_work+0x26e/0x570
[ 3363.967427]  worker_thread+0x55/0x3c0
[ 3363.967642]  ? process_one_work+0x570/0x570
[ 3363.967924]  kthread+0x137/0x150
[ 3363.968189]  ? __kthread_bind_mask+0x60/0x60
[ 3363.968444]  ret_from_fork+0x1f/0x30
[ 3363.968687] irq event stamp: 0
[ 3363.968912] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[ 3363.968939] BTRFS info (device dm-7): scrub: finished on devid 6 with status: 0
[ 3363.969286] hardirqs last disabled at (0): [] copy_process+0x8c4/0x1ca0
[ 3363.970200] softirqs last  enabled at (0): [] copy_process+0x8c4/0x1ca0
[ 3363.970672] softirqs last disabled at (0): [<0000000000000000>] 0x0
[ 3363.971031] ---[ end trace 5f7855eb2e8529c3 ]---
[ 3363.971414] ------------[ cut here ]------------
[ 3363.971683] WARNING: CPU: 0 PID: 250861 at drivers/gpu/drm/ttm/ttm_bo.c:512 ttm_bo_release+0x4f9/0x5c0 [ttm]
[ 3363.972254] Modules linked in: 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
[ 3363.975536] CPU: 0 PID: 250861 Comm: kworker/0:0 Tainted: G        W         5.12.0-rc1+ #153
[ 3363.976022] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[ 3363.976523] Workqueue: events qxl_gc_work [qxl]
[ 3363.976793] RIP: 0010:ttm_bo_release+0x4f9/0x5c0 [ttm]
[ 3363.977106] 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
[ 3363.978189] RSP: 0018:ffff9cbc0169bd80 EFLAGS: 00010202
[ 3363.978494] RAX: 0000000000000001 RBX: 000000000000000f RCX: 0000000000000000
[ 3363.978897] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffffffffc03ff168
[ 3363.979314] RBP: ffff8fc7cf446248 R08: 0000000000000000 R09: 0000000000000000
[ 3363.979724] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8fc703d21e00
[ 3363.980145] R13: ffff8fc7cc8d4d90 R14: ffff8fc7cf4462b0 R15: ffff8fc703d21900
[ 3363.980564] FS:  0000000000000000(0000) GS:ffff8fc83bc00000(0000) knlGS:0000000000000000
[ 3363.981021] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3363.981365] CR2: 00007fd35489fba0 CR3: 0000000177826003 CR4: 0000000000370ef0
[ 3363.981775] Call Trace:
[ 3363.981923]  qxl_bo_unref+0x31/0x50 [qxl]
[ 3363.982175]  qxl_release_free_list+0x52/0xa0 [qxl]
[ 3363.982463]  qxl_release_free+0x76/0xe0 [qxl]
[ 3363.982719]  qxl_garbage_collect+0xbd/0x170 [qxl]
[ 3363.983003]  process_one_work+0x26e/0x570
[ 3363.983258]  worker_thread+0x55/0x3c0
[ 3363.983482]  ? process_one_work+0x570/0x570
[ 3363.983725]  kthread+0x137/0x150
[ 3363.983916]  ? __kthread_bind_mask+0x60/0x60
[ 3363.984177]  ret_from_fork+0x1f/0x30
[ 3363.984395] irq event stamp: 0
[ 3363.984576] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[ 3363.984934] hardirqs last disabled at (0): [] copy_process+0x8c4/0x1ca0
[ 3363.985420] softirqs last  enabled at (0): [] copy_process+0x8c4/0x1ca0
[ 3363.985888] softirqs last disabled at (0): [<0000000000000000>] 0x0
[ 3363.986261] ---[ end trace 5f7855eb2e8529c4 ]---