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<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - GPU hang "stuck on render ring" after resume on broadwell"
href="https://bugs.freedesktop.org/show_bug.cgi?id=90342#c4">Comment # 4</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - GPU hang "stuck on render ring" after resume on broadwell"
href="https://bugs.freedesktop.org/show_bug.cgi?id=90342">bug 90342</a>
from <span class="vcard"><a class="email" href="mailto:an.inbox@free.fr" title="Jerome <an.inbox@free.fr>"> <span class="fn">Jerome</span></a>
</span></b>
<pre>In reply to <a href="show_bug.cgi?id=90342#c3">comment #3</a>, check <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - [bdw execlists 4.0.6] GPU hang after S3"
href="show_bug.cgi?id=89915#c7">bug #89915 comment #7</a> indicating a fix in 4.0.7
and pointing to a patch.
In my case, just like the initial reporter I'm running Debian Jessie (stable)
with a backported Intel driver 2.99.917. Same hang issue with the stock kernel,
but installing kernel 4.0.8 from Debian unstable fixed the issue.
Before updating the kernel I also tried the "i915.enable_execlists=0"
work-around and it worked ok: either no hang, or a hang but quickly and
automatically recovered.</pre>
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