[Bug 111936] [GEN9+] Non-recoverable GPU hangs in SynMark2 OglTerrainFly* with Iris

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=111936

--- Comment #14 from Eero Tamminen <eero.t.tamminen at intel.com> ---
(In reply to Chris Wilson from comment #13)
> Device: Mesa DRI Intel(R) Iris(R) Plus Graphics (Ice Lake 8x8 GT2)  (0x8a52)
> OpenGL renderer string: Mesa DRI Intel(R) Iris(R) Plus Graphics (Ice Lake
> 8x8 GT2) 
> $ ./synmark2 OglTerrainFlyTess
> is proving unproblematic.

It's not 100% reproducible, you need to run it several times, try e.g. 10-20
times.

(Test is run 3x every night for latest 3D stack.  I don't see it every night,
but it does happen several times a week.)


> I don't have a skl gt4e; but I do have a kbl gt4e. Close enough?

Yes, the issue does happen more often with higher GT versions (faster ->
triggers some race-condition more easily?).

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