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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [BAT SNB BSW] basic-flip-vs-wf_vblank timestamp vs. seq counter difference"
href="https://bugs.freedesktop.org/show_bug.cgi?id=94294">94294</a>
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<th>Summary</th>
<td>[BAT SNB BSW] basic-flip-vs-wf_vblank timestamp vs. seq counter difference
</td>
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<th>Product</th>
<td>DRI
</td>
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<th>Version</th>
<td>DRI git
</td>
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<th>Hardware</th>
<td>x86-64 (AMD64)
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<th>OS</th>
<td>Linux (All)
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>normal
</td>
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<th>Priority</th>
<td>medium
</td>
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<th>Component</th>
<td>DRM/Intel
</td>
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<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
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<th>Reporter</th>
<td>ville.syrjala@linux.intel.com
</td>
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<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
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<tr>
<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
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<p>
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<pre>We appear to sometimes inconsistent vblank timestamps vs. seq numbers. This
could be due to the race in the vblank code I tried to fix [1] long time ago,
but the patch got held hostage due to Daniel's desire to use seqlocks. But
since no one volunteered to do the work, here we are.
[1] <a href="https://lists.freedesktop.org/archives/dri-devel/2015-September/090288.html">https://lists.freedesktop.org/archives/dri-devel/2015-September/090288.html</a>
/archive/results/CI_IGT_test/CI_DRM_1072/bsw-nuc-2/html/bsw-nuc-2@CI_DRM_1072@1/igt@<a href="mailto:kms_flip@basic-flip-vs-wf_vblank.html">kms_flip@basic-flip-vs-wf_vblank.html</a>
/archive/results/CI_IGT_test/CI_DRM_1084/snb-x220t/html/snb-x220t@CI_DRM_1084@1/igt@<a href="mailto:kms_flip@basic-flip-vs-wf_vblank.html">kms_flip@basic-flip-vs-wf_vblank.html</a></pre>
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</p>
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