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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [BSW]OpenCL/utests hang sporadically"
href="https://bugs.freedesktop.org/show_bug.cgi?id=91078#c6">Comment # 6</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [BSW]OpenCL/utests hang sporadically"
href="https://bugs.freedesktop.org/show_bug.cgi?id=91078">bug 91078</a>
from <span class="vcard"><a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> <span class="fn">Chris Wilson</span></a>
</span></b>
<pre>(In reply to meng from <a href="show_bug.cgi?id=91078#c4">comment #4</a>)
<span class="quote">> (In reply to Ville Syrjala from <a href="show_bug.cgi?id=91078#c3">comment #3</a>)
> > So no GPU hang?
> >
> > Does the problem happen with i915.enable_execlists=0 too?
>
> With i915.execlist=0, the issue still exists.
> For OpenCL testing, we need to disable i915 hang check because OCL kernel
> may cost 6 seconds or even more.</span >
6 seconds of monopolizing the GPU sounds like a DoS worthy of being banned ;-)
So not even the grace period given to looping kernels is enough to prevent
hangcheck firing? I would strongly suggest you fired a bug with the bare
minimum required to reproduce (that is an igt).</pre>
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