[igt-dev] ✗ Fi.CI.IGT: failure for tests/kms_frontbuffer_tracking: Make sure GPU is quiescent before handling assertions.

Chris Wilson chris at chris-wilson.co.uk
Thu Dec 13 12:49:41 UTC 2018


Quoting Patchwork (2018-12-13 12:39:18)
> #### Possible regressions ####
> 
>   * igt at kms_frontbuffer_tracking@fbc-modesetfrombusy:
>     - shard-glk:          PASS -> TIMEOUT
>     - shard-hsw:          PASS -> TIMEOUT
>     - shard-kbl:          PASS -> TIMEOUT
>     - shard-snb:          PASS -> TIMEOUT

Ah, the modesetfrombusy will never idle as it does
while (1) igt_draw_rect(IGT_DRAW_BLT); and gem_quiescent_gpu() calls
DROP_IDLE under the belief that nothing is queueing more work and will
eventually idle.

/o\
-Chris


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