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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 - [CI][DRMTIP] igt@gem_fence_thrash@bo-write-verify-threaded-[x|y|none] - fail - Failed assertion: tmp[j] == ~(i+ j), tiling y: write failed at 32752 (b7576eaf)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=107850">bug 107850</a>
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<tr>
<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>RESOLVED
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<td style="text-align:right;">Resolution</td>
<td>---
</td>
<td>FIXED
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<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [CI][DRMTIP] igt@gem_fence_thrash@bo-write-verify-threaded-[x|y|none] - fail - Failed assertion: tmp[j] == ~(i+ j), tiling y: write failed at 32752 (b7576eaf)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=107850#c5">Comment # 5</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [CI][DRMTIP] igt@gem_fence_thrash@bo-write-verify-threaded-[x|y|none] - fail - Failed assertion: tmp[j] == ~(i+ j), tiling y: write failed at 32752 (b7576eaf)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=107850">bug 107850</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 8cd999181f8c744c87fb64e7b3600876ec3428b2
Author: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
Date: Mon Jan 14 21:17:27 2019 +0000
drm/i915: Prevent concurrent GGTT update and use on Braswell (again)
On Braswell, under heavy stress, if we update the GGTT while
simultaneously accessing another region inside the GTT, we are returned
the wrong values. To prevent this we stop the machine to update the GGTT
entries so that no memory traffic can occur at the same time.</pre>
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