[Bug 112169] [regression] (recoverable) GPU resets in slower 3D benchmarks

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=112169

--- Comment #5 from Chris Wilson <chris at chris-wilson.co.uk> ---
(In reply to Eero Tamminen from comment #4)
> (In reply to Chris Wilson from comment #3)
> > So far with a bump to 250ms, gputest fails to cause iris to loop
> > unpreemptibly. The only other question is whether or not iris itself can
> > avoid such long denial of service.
> 
> Why that would be a problem for Iris, when it AFAIK has never been a problem
> for i965?

It's a problem in both (unbounded execution latency affecting higher priority
clients); I was just using iris as an example as being more convenient to play
with.

./scripts/config --set-val CONFIG_DRM_I915_PREEMPT_TIMEOUT 250

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