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<body><span class="vcard"><a class="email" href="mailto:currojerez@riseup.net" title="Francisco Jerez <currojerez@riseup.net>"> <span class="fn">Francisco Jerez</span></a>
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<a class="bz_bug_link
bz_status_NEW "
title="NEW - [BDW] piglit@spec@arb_shader_atomic_counters@unused-result intermittent failures"
href="https://bugs.freedesktop.org/show_bug.cgi?id=91298">bug 91298</a>
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<td>currojerez@riseup.net
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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [BDW] piglit@spec@arb_shader_atomic_counters@unused-result intermittent failures"
href="https://bugs.freedesktop.org/show_bug.cgi?id=91298#c9">Comment # 9</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [BDW] piglit@spec@arb_shader_atomic_counters@unused-result intermittent failures"
href="https://bugs.freedesktop.org/show_bug.cgi?id=91298">bug 91298</a>
from <span class="vcard"><a class="email" href="mailto:currojerez@riseup.net" title="Francisco Jerez <currojerez@riseup.net>"> <span class="fn">Francisco Jerez</span></a>
</span></b>
<pre>I've been trying to reproduce this failure on BDW today without success. It
doesn't seem to make a difference for me whether I use X or GBM to run the test
case.
I noticed though that the DRM render ring code is missing a DC flush on
batchbuffer submission, what could lead to a non-deterministic failure in this
test case. Can anyone try out the attached kernel patch and see if it helps?
If it does this should be considered a DRM bug.</pre>
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