[Bug 110394] Skylake GPU HANG while gstreamer H264 vaapi encoding from MJPEG vaapi decode on drm-tip

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=110394

--- Comment #5 from Andy Nicholas <andy.nicholas at shield.ai> ---
Created attachment 143921
  --> https://bugs.freedesktop.org/attachment.cgi?id=143921&action=edit
3rd GPU hang on same hardware using same test loop. Within 2 iterations.

This time my transcoder script seemed to have terminated... but actually didn't
-- it was just asleep, waiting. The transcoder script RESUMED RUNNING after 14
minutes and completed the transcoding task. No further information was emitted
into the dmesg log.

This is bad because our usage case can't tolerate a "hang" where the transcoder
does not emit anything for 14 minutes... or even a few milliseconds.

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