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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_persistent_relocs@forked-faulting-reloc-thrashing - fail - Failed assertion: test == 0xdeadbeef"
href="https://bugs.freedesktop.org/show_bug.cgi?id=107769">bug 107769</a>
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<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
</tr>
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<td style="text-align:right;">Resolution</td>
<td>---
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<td>FIXED
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<td style="text-align:right;">Status</td>
<td>NEW
</td>
<td>RESOLVED
</td>
</tr></table>
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<div>
<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [CI][DRMTIP] igt@gem_persistent_relocs@forked-faulting-reloc-thrashing - fail - Failed assertion: test == 0xdeadbeef"
href="https://bugs.freedesktop.org/show_bug.cgi?id=107769#c9">Comment # 9</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [CI][DRMTIP] igt@gem_persistent_relocs@forked-faulting-reloc-thrashing - fail - Failed assertion: test == 0xdeadbeef"
href="https://bugs.freedesktop.org/show_bug.cgi?id=107769">bug 107769</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>More fingers crossed, worksforme at least,
commit 06348d3086a3b34f2db6c7692b4327fb7fc0b6c7 (HEAD -> drm-intel-next-queued,
drm-intel/drm-intel-next-queued)
Author: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
Date: Tue Sep 4 07:38:02 2018 +0100
drm/i915/ringbuffer: Move double invalidate to after pd flush
Continuing the fun of trying to find exactly the delay that is
sufficient to ensure that the page directory is fully loaded between
context switches, move the extra flush added in commit 70b73f9ac113
("drm/i915/ringbuffer: Delay after invalidating gen6+ xcs") to just
after we flush the pd. Entirely based on the empirical data of running
failing tests in a loop until we survive a day (before the mtbf is 10-30
minutes).
Bugzilla: <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [CI][DRMTIP] igt@gem_persistent_relocs@forked-faulting-reloc-thrashing - fail - Failed assertion: test == 0xdeadbeef"
href="show_bug.cgi?id=107769">https://bugs.freedesktop.org/show_bug.cgi?id=107769</a>
References: 70b73f9ac113 ("drm/i915/ringbuffer: Delay after invalidating
gen6+ xcs")
Signed-off-by: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
Acked-by: Mika Kuoppala <<a href="mailto:mika.kuoppala@linux.intel.com">mika.kuoppala@linux.intel.com</a>>
Link:
<a href="https://patchwork.freedesktop.org/patch/msgid/20180904063802.13880-1-chris@chris-wilson.co.uk">https://patchwork.freedesktop.org/patch/msgid/20180904063802.13880-1-chris@chris-wilson.co.uk</a>
Let's see what test case remains troublesome after that!</pre>
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