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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [APL] igt / gem_exec_flush / uc-r* fail"
href="https://bugs.freedesktop.org/show_bug.cgi?id=95488#c3">Comment # 3</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [APL] igt / gem_exec_flush / uc-r* fail"
href="https://bugs.freedesktop.org/show_bug.cgi?id=95488">bug 95488</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>commit a1b0ed1dc48ea209b2a3a07a2d24245ad2cd1948
Author: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
Date: Thu May 19 11:35:14 2016 +0100
igt/gem_exec_flush: Exclude -before- subtests from BAT
The *-before-* tests were designed to detect a potential issue with long
speculative prefetches that would load the map[] before we have even
called execbuf(). As CPUs get smarter and able to look ahead further we
are starting to see failures and as we know the code is deliberately
buggy exclude the tests from BAT. (I want to keep the tests in the full
suite so that we can record which processors are affected, and look for
related issues.)
Bugzilla: <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED NOTABUG - [APL] [IGT Basic] igt / gem_exec_flush / basic-uc-r* fail"
href="show_bug.cgi?id=95378">https://bugs.freedesktop.org/show_bug.cgi?id=95378</a>
References: <a class="bz_bug_link
bz_status_NEW "
title="NEW - [APL] igt / gem_exec_flush / uc-r* fail"
href="show_bug.cgi?id=95488">https://bugs.freedesktop.org/show_bug.cgi?id=95488</a>
Signed-off-by: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>></pre>
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