[Bug 108820] [SKL] (recoverable) GPU hangs in benchmarks using compute shaders with drm-tip v4.20-rc kernels

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=108820

--- Comment #31 from Eero Tamminen <eero.t.tamminen at intel.com> ---
Created attachment 143303
  --> https://bugs.freedesktop.org/attachment.cgi?id=143303&action=edit
SKL GT3e CarChase GPU hang

Gah. Every time I comment that this seems to have gone, the very next day I get
a new (recoverable) hang.  I.e. this happens nowadays *very* rarely.

This time there was one recoverable hang in GfxBench CarChase on SKL GT3e, no
hangs on the other machines.  Like earlier, it doesn't have significant impact
on performance.


(In reply to Jakub Okoński from comment #30)
> I tried on mesa 19.1.0 git revision 64d3b148fe7 and it also hangs, do you
> want me to create another issue?

Lionel, any comments?


Jakub, you could attach i915 error state from:
  /sys/class/drm/card0/error

So that Mesa developers can check whether your hangs happen in the same place
as mine.

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