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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [BYT, HSW, SKL, BXT, KBL] GPU hangs with GfxBench 4.0 CarChase"
href="https://bugs.freedesktop.org/show_bug.cgi?id=96743#c20">Comment # 20</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [BYT, HSW, SKL, BXT, KBL] GPU hangs with GfxBench 4.0 CarChase"
href="https://bugs.freedesktop.org/show_bug.cgi?id=96743">bug 96743</a>
from <span class="vcard"><a class="email" href="mailto:topi.pohjolainen@intel.com" title="Topi Pohjolainen <topi.pohjolainen@intel.com>"> <span class="fn">Topi Pohjolainen</span></a>
</span></b>
<pre>Introduction of loop unrolling in nir (commit:
715f0d06d19e7c33d98f99c764c5c3249d13b1c0) seems to hide/fix this on HSW. With
unrolling I ran 15 times in a row without a hang. Disabling the unrolling came
me hang in the 2nd round. Disabling the unroll in current master doesn't seem
to bring back the hang though.
I inserted a commit disabling the unroll just after the commit introducing it
and trying to bisect again to see which commit fixes/hides it with the loop
unroll.</pre>
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