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

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Wed Feb 6 10:55:03 UTC 2019


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

           What    |Removed                     |Added
             Blocks|                            |109535

--- Comment #33 from Eero Tamminen <eero.t.tamminen at intel.com> ---
(In reply to Jakub Okoński from comment #25)
> I spoke a bit too soon. For this minimal shader, the local_size_x seems
> irrelevant and decreasing it doesn't prevent the hang. I wonder if this is
> the same issue or if I uncovered some other issue by reducing the test case.

(In reply to Jakub Okoński from comment #32)
> Created attachment 143305 [details]
> /sys/class/drm/card0/error Jakub
> Here you go.

If there are still two different ways of reliably triggering the hang, could
you attach error output also for the other and name them so that they can be

(E.g. "minimal conditional return + barrier case hang" and "large /
local_size_x case hang".)

Referenced Bugs:

[Bug 109535] [Tracker] Mesa 19.0 release tracker
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