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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [SKL] (recoverable) GPU hangs in benchmarks using compute shaders"
href="https://bugs.freedesktop.org/show_bug.cgi?id=108820#c49">Comment # 49</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [SKL] (recoverable) GPU hangs in benchmarks using compute shaders"
href="https://bugs.freedesktop.org/show_bug.cgi?id=108820">bug 108820</a>
from <span class="vcard"><a class="email" href="mailto:jakub@okonski.org" title="Jakub Okoński <jakub@okonski.org>"> <span class="fn">Jakub Okoński</span></a>
</span></b>
<pre>I double checked the SPIR-V specification, and I think this shader is invalid.
<span class="quote">> 3.32.20 OpControlBarrier
> This instruction is only guaranteed to work correctly if placed strictly
> within uniform control flow within Execution. This ensures that if any
> invocation executes it, all invocations will execute it.
> If placed elsewhere, an invocation may stall indefinitely.</span >
I guess RADV and/or AMD hardware can handle this case? Or maybe it's compiled
differently?</pre>
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