[Bug 107720] [CI][DRMTIP] igt at kms_frontbuffer_tracking@* - dmesg-fail - Failed assertion: fbc_wait_for_compression()

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=107720

--- Comment #10 from Arek Hiler <arkadiusz.hiler at intel.com> ---
We need to split this bug into two. This one should be marked as duplicate of
https://bugs.freedesktop.org/show_bug.cgi?id=107724 as the most errors we get
are dmesg-fail with FIFO underruns in the dmesg which causes FBC to be
disabled.

The other failure, also caught under this bug, haven't been seen in a while
(1.5 months, drmtip_228) and had rather few reproduction prior to that (about
once every three months): 

https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_228/fi-icl-u2/igt@kms_frontbuffer_tracking@fbcpsr-1p-pri-indfb-multidraw.html


FBC last action not supported
Can't test DRRS: Not supported.
Starting subtest: fbcpsr-1p-pri-indfb-multidraw
Stack trace:
  #0 ../lib/igt_core.c:1474 __igt_fail_assert()
  #1 ../tests/kms_frontbuffer_tracking.c:1620 do_status_assertions()
  #2 ../tests/kms_frontbuffer_tracking.c:1659 __do_assertions()
  #3 ../tests/kms_frontbuffer_tracking.c:2048 multidraw_subtest()
  #4 ../tests/kms_frontbuffer_tracking.c:3397 main()
  #5 ../csu/libc-start.c:344 __libc_start_main()
  #6 [_start+0x2a]
Subtest fbcpsr-1p-pri-indfb-multidraw: FAIL (9.851s)

This one needs a separate filing.

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