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<body><span class="vcard"><a class="email" href="mailto:james.ausmus@intel.com" title="James Ausmus <james.ausmus@intel.com>"> <span class="fn">James Ausmus</span></a>
</span> changed
<a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - [CI][GDG] igt@drv_selftest@live_coherency igt_gem_coherency failed with error -22"
href="https://bugs.freedesktop.org/show_bug.cgi?id=107164">bug 107164</a>
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<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
</tr>
<tr>
<td style="text-align:right;">Resolution</td>
<td>FIXED
</td>
<td>---
</td>
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<td style="text-align:right;">Status</td>
<td>RESOLVED
</td>
<td>REOPENED
</td>
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<b><a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - [CI][GDG] igt@drv_selftest@live_coherency igt_gem_coherency failed with error -22"
href="https://bugs.freedesktop.org/show_bug.cgi?id=107164#c2">Comment # 2</a>
on <a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - [CI][GDG] igt@drv_selftest@live_coherency igt_gem_coherency failed with error -22"
href="https://bugs.freedesktop.org/show_bug.cgi?id=107164">bug 107164</a>
from <span class="vcard"><a class="email" href="mailto:james.ausmus@intel.com" title="James Ausmus <james.ausmus@intel.com>"> <span class="fn">James Ausmus</span></a>
</span></b>
<pre>It looks like this issue is still happening sporadically on CI - last failure
was on July 16th -
<a href="https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_4499/fi-gdg-551/igt@drv_selftest@live_coherency.html">https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_4499/fi-gdg-551/igt@drv_selftest@live_coherency.html</a>
dmesg:
[ 525.761393] Setting dangerous option live_selftests - tainting kernel
[ 526.007603] Value[14/23] mismatch, (overwrite with gtt) wrote [cpu] 75bc439e
read [gtt] 8a43bc61 (inverse 8a43bc61), at offset 598
[ 526.011501] i915/i915_gem_coherency_live_selftests: igt_gem_coherency failed
with error -22
[ 526.058075] i915: probe of 0000:00:02.0 failed with error -22
12 out of the last 60 CI runs had this failure signature, so around a 20%
failure rate currently</pre>
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