[Intel-gfx] ✗ Fi.CI.BAT: failure for series starting with [01/50] drm/i915: Introduce struct class_instance for engines across the uAPI

[Chris Wilson]

Quoting Patchwork (2019-04-12 13:11:02)
> == Series Details ==
> 
> Series: series starting with [01/50] drm/i915: Introduce struct class_instance for engines across the uAPI
> URL   : https://patchwork.freedesktop.org/series/59379/
> State : failure
> 
> == Summary ==
> 
> CI Bug Log - changes from CI_DRM_5922 -> Patchwork_12775
> ====================================================
> 
> Summary
> -------
> 
>   **FAILURE**
> 
>   Serious unknown changes coming with Patchwork_12775 absolutely need to be
>   verified manually.
>   
>   If you think the reported changes have nothing to do with the changes
>   introduced in Patchwork_12775, 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/59379/revisions/1/mbox/
> 
> Possible new issues
> -------------------
> 
>   Here are the unknown changes that may have been introduced in Patchwork_12775:
> 
> ### IGT changes ###
> 
> #### Possible regressions ####
> 
>   * igt at i915_selftest@live_coherency:
>     - fi-skl-6770hq:      PASS -> DMESG-WARN
>     - fi-skl-6700k2:      PASS -> DMESG-WARN
>     - fi-skl-iommu:       PASS -> DMESG-WARN
>     - fi-skl-lmem:        PASS -> DMESG-WARN
>     - fi-skl-gvtdvm:      PASS -> DMESG-WARN
>     - fi-kbl-x1275:       PASS -> DMESG-WARN
>     - fi-icl-u3:          PASS -> DMESG-WARN
>     - fi-bdw-gvtdvm:      PASS -> DMESG-WARN
>     - fi-bxt-j4205:       PASS -> DMESG-WARN
>     - fi-skl-guc:         PASS -> DMESG-WARN
>     - fi-kbl-8809g:       PASS -> DMESG-WARN
>     - fi-bxt-dsi:         PASS -> DMESG-WARN
>     - fi-bsw-n3050:       PASS -> DMESG-WARN
>     - fi-cfl-guc:         PASS -> DMESG-WARN
>     - fi-kbl-guc:         PASS -> DMESG-WARN
>     - fi-bsw-kefka:       PASS -> DMESG-WARN
>     - fi-bdw-5557u:       PASS -> DMESG-WARN
>     - fi-skl-6600u:       PASS -> DMESG-WARN
>     - fi-whl-u:           PASS -> DMESG-WARN

A use-after-free is one thing, but to screw up badly to overwrite the
object padding around i915_request. Fun.
-Chris