All tests - fail/incomplete - This test was killed due to a kernel taint, INFO: task kworker/.* blocked for more than 30 seconds.

https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10883/fi-skl-6600u/igt@i915_selftest@live.html

Out,
IGT-Version: 1.26-g246bfd31d (x86_64) (Linux: 5.16.0-rc1-CI-CI_DRM_10883+ x86_64)
runner: This test was killed due to a kernel taint (0x200).

Dmesg,
<6> [253.298524] [IGT] i915_selftest: executing
<3> [286.790921] INFO: task kworker/u8:31:5139 blocked for more than 30 seconds.
<3> [286.791119]       Tainted: G        W         5.16.0-rc1-CI-CI_DRM_10883+ #1
<3> [286.791144] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
<6> [286.791161] task:kworker/u8:31   state:D stack:12008 pid: 5139 ppid:     2 flags:0x00004000
<6> [286.791200] Workqueue: writeback wb_workfn (flush-259:0)
<6> [286.791238] Call Trace:
<6> [286.791248]  <TASK>
<6> [286.791276]  __schedule+0x42c/0xa90
<6> [286.791324]  schedule+0x3f/0xc0
<6> [286.791341]  io_schedule+0x36/0x60
<6> [286.791358]  blk_mq_get_tag+0x115/0x270
<6> [286.791385]  ? finish_wait+0x80/0x80
<6> [286.791429]  __blk_mq_alloc_requests+0x16c/0x360
<6> [286.791475]  blk_mq_submit_bio+0x210/0xa40
<6> [286.791537]  submit_bio_noacct+0x254/0x2a0
<6> [286.791581]  ext4_io_submit+0x44/0x50
<6> [286.791600]  ext4_writepages+0x32c/0x1070
<6> [286.791640]  ? validate_chain+0x234/0x1e70
<6> [286.791920]  do_writepages+0xd3/0x1a0
<6> [286.792011]  __writeback_single_inode+0x53/0x5b0
<6> [286.792076]  writeback_sb_inodes+0x1fb/0x500
<6> [286.792229]  __writeback_inodes_wb+0x5a/0xc0
<6> [286.792292]  wb_writeback+0x2c2/0x440
<6> [286.792371]  wb_workfn+0x1b4/0x640
<6> [286.792508]  process_one_work+0x278/0x5d0
<6> [286.792610]  worker_thread+0x37/0x390
<6> [286.792654]  ? process_one_work+0x5d0/0x5d0
<6> [286.792682]  kthread+0x170/0x1a0
<6> [286.792710]  ? set_kthread_struct+0x40/0x40
<6> [286.792846]  ret_from_fork+0x22/0x30
<6> [286.792983]  </TASK>
<3> [286.793014] INFO: task i915_selftest:5585 blocked for more than 30 seconds.
<3> [286.793056]       Tainted: G        W         5.16.0-rc1-CI-CI_DRM_10883+ #1
<3> [286.793091] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
<6> [286.793120] task:i915_selftest   state:D stack:13328 pid: 5585 ppid:   911 flags:0x00004000