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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [SNB Bisected]igt/gem_hangcheck_forcewake cause [drm:i915_hangcheck_elapsed] *ERROR* bsd ring: stuck on addr 0x3b4"
href="https://bugs.freedesktop.org/show_bug.cgi?id=65394#c3">Comment # 3</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [SNB Bisected]igt/gem_hangcheck_forcewake cause [drm:i915_hangcheck_elapsed] *ERROR* bsd ring: stuck on addr 0x3b4"
href="https://bugs.freedesktop.org/show_bug.cgi?id=65394">bug 65394</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>This is a genuine hangcheck failure. The bsd ring is waiting upon the blt ring
which is chock full of busy work.
Mika, we should check to see if we are on a semaphore wait and discount that
stuck ring if its target ring is still busy and not yet past the seqno.</pre>
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