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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_RESOLVED bz_closed"
title="RESOLVED FIXED - [sna] *ERROR* Hangcheck timer elapsed... GPU hung"
href="https://bugs.freedesktop.org/show_bug.cgi?id=58762">bug 58762</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
</td>
<td>RESOLVED
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<td style="text-align:right;">Resolution</td>
<td>---
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<td>FIXED
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<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [sna] *ERROR* Hangcheck timer elapsed... GPU hung"
href="https://bugs.freedesktop.org/show_bug.cgi?id=58762#c2">Comment # 2</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [sna] *ERROR* Hangcheck timer elapsed... GPU hung"
href="https://bugs.freedesktop.org/show_bug.cgi?id=58762">bug 58762</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>Note the BLT ring is executing stale data, so presumably:
commit 9a28977181724ebbd9bdc45291cf29da55a729ee
Author: Jesse Barnes <<a href="mailto:jbarnes@virtuousgeek.org">jbarnes@virtuousgeek.org</a>>
Date: Fri Oct 26 09:42:42 2012 -0700
drm/i915: TLB invalidation with MI_FLUSH_DW requires a post-sync op v3
So store into the scratch space of the HWS to make sure the invalidate
occurs.</pre>
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