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<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Mesa selects wrong DRI driver"
href="https://bugs.freedesktop.org/show_bug.cgi?id=75212">75212</a>
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<th>CC</th>
<td>eric@anholt.net, lemody@gmail.com
</td>
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<th>Assignee</th>
<td>mesa-dev@lists.freedesktop.org
</td>
</tr>
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<th>Summary</th>
<td>Mesa selects wrong DRI driver
</td>
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<th>Severity</th>
<td>normal
</td>
</tr>
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<th>Classification</th>
<td>Unclassified
</td>
</tr>
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<th>OS</th>
<td>Linux (All)
</td>
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<th>Reporter</th>
<td>eero.t.tamminen@intel.com
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<th>Hardware</th>
<td>x86 (IA32)
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<th>Status</th>
<td>NEW
</td>
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<th>Version</th>
<td>git
</td>
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<th>Component</th>
<td>GLX
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<th>Product</th>
<td>Mesa
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<p>
<div>
<pre>Test environment:
- HSW GT3e
- Up to date Ubuntu 13.10
- Latest versions of libdrm and mesa built (from today's git master),
with only i965 driver enabled
Steps to reproduce:
1. Run glxgears with latest mesa
Expected output:
- i965 driver loaded & HW acceleration used
Actual output:
- Mesa complains that it doesn't find i915 nor swrast
- glxgears runs really slowly
Bisecting Mesa identified this commit as culprit:
----------------------------------
commit 7bd95ec437a5b1052fa17780a9d66677ec1fdc35
Author: Eric Anholt <<a href="mailto:eric@anholt.net">eric@anholt.net</a>>
Date: Thu Jan 23 10:21:09 2014 -0800
dri2: Trust our own driver name lookup over the server's.
This allows Mesa to choose to rename driver .sos (or split drivers),
without needing a flag day with the corresponding 2D driver.
v2: Undo the loader-only-for-dri3 change.
----------------------------------
If Mesa needs some new dependency or specific version of that to identify on
which HW it's running, it should check for that in configure.</pre>
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