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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Kernel 3.17.3: drm/radeon: fix speaker allocation setup --> cannot $startx"
href="https://bugs.freedesktop.org/show_bug.cgi?id=86571">86571</a>
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<th>Summary</th>
<td>Kernel 3.17.3: drm/radeon: fix speaker allocation setup --> cannot $startx
</td>
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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>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
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<th>Severity</th>
<td>major
</td>
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<th>Priority</th>
<td>medium
</td>
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<th>Component</th>
<td>Driver/Radeon
</td>
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<th>Assignee</th>
<td>xorg-driver-ati@lists.x.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>initzero@gmail.com
</td>
</tr>
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<th>QA Contact</th>
<td>xorg-team@lists.x.org
</td>
</tr></table>
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<pre>Since Linux 3.17.3 calling $startx will freeze or reboot my system.
I have isolated the following commit as the cause of my problem:
commit ffe0245532b98efc4bc0e06f29c51d3f0e471152
Author: Alex Deucher <<a href="mailto:alexander.deucher@amd.com">alexander.deucher@amd.com</a>>
Date: Mon Oct 13 11:51:50 2014 -0400
drm/radeon: fix speaker allocation setup
commit 4910403836ded89803fab201d4b5caaa85de3a89 upstream.
If the sad_count is 0, set the hw to stereo and change
the error message to a warn. A lot of monitors don't
set the speaker allocation block.
Signed-off-by: Alex Deucher <<a href="mailto:alexander.deucher@amd.com">alexander.deucher@amd.com</a>>
Signed-off-by: Greg Kroah-Hartman <<a href="mailto:gregkh@linuxfoundation.org">gregkh@linuxfoundation.org</a>>
Reverting this brings things back to normal.
My card:
01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Oland
XT [Radeon HD 8670 / R7 250]
01:00.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] Cape
Verde/Pitcairn HDMI Audio [Radeon HD 7700/7800 Series]
Screen:
Samsung S22D300HY (via HDMI)
OS:
Archlinux up-2-date... Mesa 10.3.3 + patch from <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - Random radeonsi crashes with mesa 10.3.x"
href="show_bug.cgi?id=85647">bug 85647</a>, xorg-server 1.16.2,
xf86-video-ati 7.5.0
Can provide additional infos if needed.
Thanks!</pre>
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