[Bug 101623] [IGT] kms_frontbuffer_tracking at fbc-*draw* has inconsistent results - FBC disabled | Failed assertion: !fbc_wait_until_enabled()

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=101623

--- Comment #57 from Marta Löfstedt <marta.lofstedt at intel.com> ---
We have pulled in more data from the shards testlist runs on BAT machines. I am
not going to spam all links here just some examples. For overview of the
results see:
https://intel-gfx-ci.01.org/tree/drm-tip/drmtip.html

(kms_frontbuffer_tracking:2822) WARNING: fbc_is_enabled()?
FBC disabled: mode too large for compression
(kms_frontbuffer_tracking:2822) CRITICAL: Test assertion failure function
do_status_assertions, file ../tests/kms_frontbuffer_tracking.c:1733:
(kms_frontbuffer_tracking:2822) CRITICAL: Failed assertion:
fbc_is_enabled(IGT_LOG_WARN)
(kms_frontbuffer_tracking:2822) CRITICAL: FBC disabled
Subtest fbc-2p-scndscrn-shrfb-msflip-blt failed.


Some new examples:
https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_1/fi-skl-6770hq/igt@kms_frontbuffer_tracking@fbc-2p-scndscrn-shrfb-pgflip-blt.html
https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_1/fi-skl-6770hq/igt@kms_frontbuffer_tracking@fbc-2p-scndscrn-pri-shrfb-draw-pwrite.html
https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_1/fi-skl-guc/igt@kms_frontbuffer_tracking@fbc-2p-primscrn-spr-indfb-move.html
https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_1/fi-skl-6770hq/igt@kms_frontbuffer_tracking@fbc-2p-primscrn-pri-shrfb-draw-mmap-gtt.html

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