[Intel-gfx] ✗ Fi.CI.BAT: failure for series starting with [1/2] drm/i915/selftests: Exercise resetting during non-user payloads

[Chris Wilson]

Quoting Patchwork (2019-02-15 18:11:23)
> == Series Details ==
> 
> Series: series starting with [1/2] drm/i915/selftests: Exercise resetting during non-user payloads
> URL   : https://patchwork.freedesktop.org/series/56716/
> State : failure
> 
> == Summary ==
> 
> CI Bug Log - changes from CI_DRM_5608 -> Patchwork_12226
> ====================================================
> 
> Summary
> -------
> 
>   **FAILURE**
> 
>   Serious unknown changes coming with Patchwork_12226 absolutely need to be
>   verified manually.
>   
>   If you think the reported changes have nothing to do with the changes
>   introduced in Patchwork_12226, please notify your bug team to allow them
>   to document this new failure mode, which will reduce false positives in CI.
> 
>   External URL: https://patchwork.freedesktop.org/api/1.0/series/56716/revisions/1/mbox/
> 
> Possible new issues
> -------------------
> 
>   Here are the unknown changes that may have been introduced in Patchwork_12226:
> 
> ### IGT changes ###
> 
> #### Possible regressions ####
> 
>   * igt at i915_selftest@live_hangcheck:
>     - fi-bdw-gvtdvm:      PASS -> DMESG-FAIL
>     - fi-bdw-5557u:       PASS -> DMESG-FAIL
>     - fi-glk-j4005:       PASS -> DMESG-FAIL
>     - fi-cfl-8109u:       PASS -> DMESG-FAIL
>     - fi-cfl-8700k:       PASS -> DMESG-FAIL
>     - fi-skl-iommu:       PASS -> DMESG-FAIL
>     - fi-skl-gvtdvm:      PASS -> DMESG-FAIL
>     - fi-bxt-j4205:       PASS -> DMESG-FAIL
>     - fi-skl-6600u:       PASS -> DMESG-FAIL
>     - fi-bsw-n3050:       PASS -> DMESG-FAIL
>     - fi-skl-6770hq:      PASS -> DMESG-FAIL
>     - fi-skl-6700k2:      PASS -> DMESG-FAIL
>     - fi-skl-6260u:       PASS -> DMESG-FAIL

That does actually appear to be a genuine bug with us not writing the
global_seqno (context seqno is fine), and has occurred in the wild
https://bugs.freedesktop.org/show_bug.cgi?id=109606

Removal of global_seqno fixes \o/ (at least locally)
-Chris