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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - GPU Hang when replaying API trace of lightsmark"
href="https://bugs.freedesktop.org/show_bug.cgi?id=102315">102315</a>
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<th>Summary</th>
<td>GPU Hang when replaying API trace of lightsmark
</td>
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<th>Product</th>
<td>Mesa
</td>
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<th>Version</th>
<td>17.2
</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>Mesa core
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<th>Assignee</th>
<td>mesa-dev@lists.freedesktop.org
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<th>Reporter</th>
<td>jason@jlekstrand.net
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<th>QA Contact</th>
<td>mesa-dev@lists.freedesktop.org
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<p>
<div>
<pre>While trying to debug a perf issue in lightsmark, I took an apitrace and, when
replaying it saw GPU hangs on release builds and assertion failures on debug
builds. The assertion failure was because we tried rendering to render to
something that that clearly isn't renderable (it was DXT3) and it looks like it
was hidden because it was inside of a display list. Trace can be found here:
<a href="https://people.freedesktop.org/~jekstrand/lightsmark-trim.trace">https://people.freedesktop.org/~jekstrand/lightsmark-trim.trace</a></pre>
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