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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 --- - [sna] Output at last pipe stays black"
href="https://bugs.freedesktop.org/show_bug.cgi?id=66494">66494</a>
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<th>Assignee</th>
<td>chris@chris-wilson.co.uk
</td>
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<th>Summary</th>
<td>[sna] Output at last pipe stays black
</td>
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<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
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<th>Severity</th>
<td>normal
</td>
</tr>
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<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
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<th>Reporter</th>
<td>consume.noise@gmail.com
</td>
</tr>
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<th>Hardware</th>
<td>Other
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
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<th>Version</th>
<td>unspecified
</td>
</tr>
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<th>Component</th>
<td>Driver/intel
</td>
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<th>Product</th>
<td>xorg
</td>
</tr></table>
<p>
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<pre>Since 2.21.11 the output at the last pipe stays black. The monitor gets a
signal, but it doesn't show anything.
Within the X server log I see messages that the driver sets up the pipes
correctly.
The driver has been build with --disable-uxa.
Reproduced with:
- Lenovo T400 (GM45)
o LVDS is okay @ pipe 0
o external monitor at DVI docking station port stays black @ pipe 1
- Lenovo X230 (IvyBridge)
o LVDS is okay @ pipe 0
o external monitor at VGA docking station port is okay @ pipe 1
o external monitor at DP docking station port stays black @ pipe 2
Bisecting atm.</pre>
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</p>
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