[Intel-gfx] ✗ Fi.CI.BAT: failure for series starting with [01/10] drm/i915: Use 0 for the unordered context

[Chris Wilson]

Quoting Patchwork (2019-08-19 18:23:51)
> == Series Details ==
> 
> Series: series starting with [01/10] drm/i915: Use 0 for the unordered context
> URL   : https://patchwork.freedesktop.org/series/65426/
> State : failure
> 
> == Summary ==
> 
> CI Bug Log - changes from CI_DRM_6737 -> Patchwork_14082
> ====================================================
> 
> Summary
> -------
> 
>   **FAILURE**
> 
>   Serious unknown changes coming with Patchwork_14082 absolutely need to be
>   verified manually.
>   
>   If you think the reported changes have nothing to do with the changes
>   introduced in Patchwork_14082, please notify your bug team to allow them
>   to document this new failure mode, which will reduce false positives in CI.
> 
>   External URL: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_14082/
> 
> Possible new issues
> -------------------
> 
>   Here are the unknown changes that may have been introduced in Patchwork_14082:
> 
> ### IGT changes ###
> 
> #### Possible regressions ####
> 
>   * igt at i915_selftest@live_gem_contexts:
>     - fi-byt-j1900:       [PASS][1] -> [DMESG-WARN][2]
>    [1]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6737/fi-byt-j1900/igt@i915_selftest@live_gem_contexts.html
>    [2]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_14082/fi-byt-j1900/igt@i915_selftest@live_gem_contexts.html
>     - fi-ivb-3770:        [PASS][3] -> [DMESG-WARN][4]
>    [3]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6737/fi-ivb-3770/igt@i915_selftest@live_gem_contexts.html
>    [4]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_14082/fi-ivb-3770/igt@i915_selftest@live_gem_contexts.html
>     - fi-hsw-4770:        [PASS][5] -> [DMESG-WARN][6]
>    [5]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6737/fi-hsw-4770/igt@i915_selftest@live_gem_contexts.html
>    [6]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_14082/fi-hsw-4770/igt@i915_selftest@live_gem_contexts.html
>     - fi-hsw-peppy:       [PASS][7] -> [DMESG-WARN][8]
>    [7]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6737/fi-hsw-peppy/igt@i915_selftest@live_gem_contexts.html
>    [8]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_14082/fi-hsw-peppy/igt@i915_selftest@live_gem_contexts.html
>     - fi-hsw-4770r:       [PASS][9] -> [DMESG-WARN][10]
>    [9]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6737/fi-hsw-4770r/igt@i915_selftest@live_gem_contexts.html
>    [10]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_14082/fi-hsw-4770r/igt@i915_selftest@live_gem_contexts.html
>     - fi-byt-n2820:       [PASS][11] -> [DMESG-WARN][12]
>    [11]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6737/fi-byt-n2820/igt@i915_selftest@live_gem_contexts.html
>    [12]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_14082/fi-byt-n2820/igt@i915_selftest@live_gem_contexts.html

Hmm. We haven't removed the struct_mutex around i915_vma_destroy() yet,
so it can't be that. Consider it's only gen7, that suggests it's the
pd_vma. But that's in gen6_ppgtt_cleanup() not the free_objects callers.

Weird. Time for a bisection.
-Chris