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<base href="https://bugs.freedesktop.org/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Optimus with nouveau no longer works with xorg-server 1.16.1"
href="https://bugs.freedesktop.org/show_bug.cgi?id=84932">84932</a>
</td>
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<tr>
<th>Summary</th>
<td>Optimus with nouveau no longer works with xorg-server 1.16.1
</td>
</tr>
<tr>
<th>Product</th>
<td>Mesa
</td>
</tr>
<tr>
<th>Version</th>
<td>10.2
</td>
</tr>
<tr>
<th>Hardware</th>
<td>x86-64 (AMD64)
</td>
</tr>
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<th>OS</th>
<td>Linux (All)
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>medium
</td>
</tr>
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<th>Component</th>
<td>Drivers/DRI/nouveau
</td>
</tr>
<tr>
<th>Assignee</th>
<td>nouveau@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>dura@duradsl.duckdns.org
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=107736" name="attach_107736" title="dmesg">attachment 107736</a> <a href="attachment.cgi?id=107736&action=edit" title="dmesg">[details]</a></span>
dmesg
I have an optimus laptop with intel HD4000 and nvidia GTX 660M.
With xorg-server 1.16.1 the GPU cannot be used. Replacing xorg-server with
1.15.1 version (and same version drivers) make it works again without making
any other changes (even rebooting).
xrandr --listproviders
xrandr --setprovideroffloadsink nouveau Intel
DRI_PRIME=1 glxinfo | grep "OpenGL vendor string"
With 1.16 version:
Providers: number : 2
Provider 0: id: 0x88 cap: 0xb, Source Output, Sink Output, Sink Offload crtcs:
4 outputs: 5 associated providers: 1 name:Intel
Provider 1: id: 0x5f cap: 0x5, Source Output, Source Offload crtcs: 0 outputs:
0 associated providers: 1 name:nouveau
OpenGL vendor string: Intel Open Source Technology Center
With 1.15 version:
Providers: number : 2
Provider 0: id: 0x88 cap: 0xb, Source Output, Sink Output, Sink Offload crtcs:
4 outputs: 5 associated providers: 1 name:Intel
Provider 1: id: 0x5f cap: 0x5, Source Output, Source Offload crtcs: 0 outputs:
0 associated providers: 1 name:nouveau
OpenGL vendor string: nouveau
Software versions:
MesaLib-10.3.0
xf86-video-nouveau-1.0.11
libdrm-2.4.58
Linux version 3.16.5</pre>
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