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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 - 2nd GPU / screen not detected after driver / xorg update"
href="https://bugs.freedesktop.org/show_bug.cgi?id=106592">106592</a>
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<th>Summary</th>
<td>2nd GPU / screen not detected after driver / xorg update
</td>
</tr>
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<th>Product</th>
<td>xorg
</td>
</tr>
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<th>Version</th>
<td>unspecified
</td>
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<th>Hardware</th>
<td>x86-64 (AMD64)
</td>
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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>blocker
</td>
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<th>Priority</th>
<td>medium
</td>
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<th>Component</th>
<td>Driver/nouveau
</td>
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<th>Assignee</th>
<td>nouveau@lists.freedesktop.org
</td>
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<th>Reporter</th>
<td>atila.neves@gmail.com
</td>
</tr>
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<th>QA Contact</th>
<td>xorg-team@lists.x.org
</td>
</tr></table>
<p>
<div>
<pre>This is on Arch Linux. After an update, my 2nd monitor was no longer detected.
I downgraded nouveau to the Arch package version 1.0.15-2 (from 1.0.15-3) and
the problem went away. I also had to downgrade xorg-server due to dependency
issues, so it's possible the problem could be there and not in nouveau itself.
My xorg-server package is now xorg-server-1.19.6+13+gd0d1a694f-2, down from
xorg-server-1.20.0-2.
Both monitors work fine in the downgraded configuration, but only one works
with the latest updates.
When things weren't working, /var/log/Xorg.0.log showed the message "failed to
find screen to remove" for one of the GPUs. This is no longer the case after
the downgrade.</pre>
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