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<base href="https://bugs.freedesktop.org/">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - glXWaitVideoSyncSGI blocks forever"
href="https://bugs.freedesktop.org/show_bug.cgi?id=106536">106536</a>
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<th>Summary</th>
<td>glXWaitVideoSyncSGI blocks forever
</td>
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<th>Product</th>
<td>Mesa
</td>
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<th>Version</th>
<td>18.0
</td>
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<th>Hardware</th>
<td>Other
</td>
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<th>OS</th>
<td>All
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<th>Status</th>
<td>NEW
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<th>Severity</th>
<td>normal
</td>
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<th>Priority</th>
<td>medium
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<th>Component</th>
<td>GLX
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<th>Assignee</th>
<td>mesa-dev@lists.freedesktop.org
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<th>Reporter</th>
<td>geoff@hostfission.com
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<th>QA Contact</th>
<td>mesa-dev@lists.freedesktop.org
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<pre>Before mesa 18.0 glXWaitVideoSyncSGI worked perfectly, but after updating to
mesa 18 it blocks forever, see the following for the code exhibiting this
behavior.
<a href="https://github.com/gnif/LookingGlass/blob/da2bcfdf9a3d559928a450cfc4642e8635c8f71f/client/renderers/opengl.c#L433">https://github.com/gnif/LookingGlass/blob/da2bcfdf9a3d559928a450cfc4642e8635c8f71f/client/renderers/opengl.c#L433</a>
We have seen this occur on AMD hardware, I personally can reproduce it on a
Vega 56. It may affect other platforms but I can not confirm.</pre>
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