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<base href="https://bugs.freedesktop.org/" />
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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 --- - regression in vt-switching between x servers with ums radeon driver"
href="https://bugs.freedesktop.org/show_bug.cgi?id=66812">66812</a>
</td>
</tr>
<tr>
<th>Assignee</th>
<td>xorg-driver-ati@lists.x.org
</td>
</tr>
<tr>
<th>Summary</th>
<td>regression in vt-switching between x servers with ums radeon driver
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>xorg-team@lists.x.org
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>OS</th>
<td>FreeBSD
</td>
</tr>
<tr>
<th>Reporter</th>
<td>avg@icyb.net.ua
</td>
</tr>
<tr>
<th>Hardware</th>
<td>x86-64 (AMD64)
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Version</th>
<td>7.7 (2011)
</td>
</tr>
<tr>
<th>Component</th>
<td>Driver/Radeon
</td>
</tr>
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<th>Product</th>
<td>xorg
</td>
</tr></table>
<p>
<div>
<pre>Software:
xorg-server-1.12.4
xf86-video-ati-6.14.6
One peculiarity of my setup is that I run two X servers. And the regression is
exactly about that.
Until a recent upgrade (from driver version 6.14.3) everything worked just
fine. But now if I do a direct VT-switch from one X-owned terminal to the
other, then I get a significant chance of my system hanging.
I see the following things when that happens.
In Xorg.log I sometimes get (repeated many times):
(EE) RADEON(0): Timeout trying to update memory controller settings !
(EE) RADEON(0): You will probably crash now ...
In system log I sometimes see (repeated many times):
info: [drm] wait idle failed status : 0xA0003030 0x00000003
Sometimes the system just resets without leaving any clues.
Here is another interesting point. If first I do a VT-switch to a non-graphic
(console) terminal and then to the other X terminal, then the problem never
happens.
Downgrading xf86-video-ati to 6.14.4 seems to fix the problem.
I haven't tried 6.14.5 yet.
I can do more bisecting / testing, but perhaps you would have some pointers on
things that I should try first.</pre>
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