[Bug 110848] [BXT] Everything using GPU gets stuck after running+killing parallel Media loads

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=110848

Eero Tamminen <eero.t.tamminen at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|Everything using GPU gets   |[BXT] Everything using GPU
                   |stuck after running+killing |gets stuck after
                   |parallel Media loads (after |running+killing parallel
                   |running 3D benchmarks)      |Media loads

--- Comment #49 from Eero Tamminen <eero.t.tamminen at intel.com> ---
(In reply to Eero Tamminen from comment #48)
> I've never seen this happen with FFmpeg that uses media-driver directly
> through libva, only when media-driver is used in (FFmpeg ->) MediaSDK ->
> libva -> media-driver -> kernel/i915 pipeline (I've running much less tests
> with FFmpeg / VA-API though).

And few days afterwards I got test machine disconnect with FFmpeg VA-API after
50x test-case.  This was followed by automated reboot, but I'm pretty sure the
cause for the issue was same as with MSDK using media applications.

I haven't seen this with KBL anymore, so I'm removing that from list platforms
(I assume it's fast enough not to trigger the deadlock).

In case it matters, all of these machines have 8GB of RAM.

Updating also title, as David found out that triggering the issue doesn't need
3D test-cases.

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