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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 --- - (SUMO2) Black screen on X Launch, corrupted VTs when using KMS"
href="https://bugs.freedesktop.org/show_bug.cgi?id=56081">56081</a>
</td>
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<th>Assignee</th>
<td>dri-devel@lists.freedesktop.org
</td>
</tr>
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<th>Summary</th>
<td>(SUMO2) Black screen on X Launch, corrupted VTs when using KMS
</td>
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<th>Severity</th>
<td>major
</td>
</tr>
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<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux (All)
</td>
</tr>
<tr>
<th>Reporter</th>
<td>autonymous@gmail.com
</td>
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<th>Hardware</th>
<td>x86-64 (AMD64)
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<th>Status</th>
<td>NEW
</td>
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<th>Version</th>
<td>git
</td>
</tr>
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<th>Component</th>
<td>Drivers/DRI/R600
</td>
</tr>
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<th>Product</th>
<td>Mesa
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=68683" name="attach_68683" title="Xorg.0.log">attachment 68683</a> <a href="attachment.cgi?id=68683&action=edit" title="Xorg.0.log">[details]</a></span>
Xorg.0.log
Using AMD A4-3420M APU, have NOT been able to use the R600 driver on either
Suse (12.x, factory), Arch Linux (latest built, or git xorg/mesa/dri build), or
Ubuntu (12.04, 12.10b2). ALL various combinations of xorg 1.12/1.13,
xorg-video-ati, mesa, and kernel 3.5-3.6 give the same black screen after
startup, transition to Xorg corrupts all VT's.
KMS for Single user or non-X sessions works fine. Grub boot with
"radeon.audio=0" does alleviate some corruption on VT7 (but not enough to be
usable). Changing accel options or even disabling accel has no effect.
Appears there is something specific to the A4-3420M(6410D, chipID 0x9644,
identified by system as a Sumo2) that is affected by this.</pre>
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