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<body><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> changed
<a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO --- - Intel driver crash in brw_update_renderbuffer_surface"
href="https://bugs.freedesktop.org/show_bug.cgi?id=79675">bug 79675</a>
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<th>What</th>
<th>Removed</th>
<th>Added</th>
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<td style="text-align:right;">Status</td>
<td>NEW
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<td>NEEDINFO
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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO --- - Intel driver crash in brw_update_renderbuffer_surface"
href="https://bugs.freedesktop.org/show_bug.cgi?id=79675#c1">Comment # 1</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO --- - Intel driver crash in brw_update_renderbuffer_surface"
href="https://bugs.freedesktop.org/show_bug.cgi?id=79675">bug 79675</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>The first GPU hang is fairly innocuous, it is <a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED --- - [snb 3.5] stale semaphore sync seqno (typically as seen on bcs->rcs)"
href="show_bug.cgi?id=54226">bug 54226</a>.
There is however a second GPU hang that kills the box.
Then the crash is in mesa when UXA refuses to give it any more buffers. If it
did it would only crash again anyway when the kernel refused to do anything
with the buffer.
To differentiate this bug from #54226, can you please capture a few more error
states so that we can see if there is a second factor here.</pre>
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