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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 --- - [NVA8] The DisplayPort screen does not light up at first try on Linux 3.16"
href="https://bugs.freedesktop.org/show_bug.cgi?id=82247">82247</a>
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</tr>
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<th>Assignee</th>
<td>nouveau@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Summary</th>
<td>[NVA8] The DisplayPort screen does not light up at first try on Linux 3.16
</td>
</tr>
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<th>QA Contact</th>
<td>xorg-team@lists.x.org
</td>
</tr>
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<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux (All)
</td>
</tr>
<tr>
<th>Reporter</th>
<td>martin.peres@ensi-bourges.fr
</td>
</tr>
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<th>Hardware</th>
<td>x86-64 (AMD64)
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
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<th>Component</th>
<td>Driver/nouveau
</td>
</tr>
<tr>
<th>Product</th>
<td>xorg
</td>
</tr></table>
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<div>
<pre>Created <span class=""><a href="attachment.cgi?id=104148" name="attach_104148" title="When the DP screen doesn't light up">attachment 104148</a> <a href="attachment.cgi?id=104148&action=edit" title="When the DP screen doesn't light up">[details]</a></span>
When the DP screen doesn't light up
Hey Ben,
Oddly-enough, my DP screen at work does not want to light up after a cold boot
but works if I reboot right away.
As I told you before, this screen is weird when it comes to coming back from
sleep mode.
The DVI screen lights up correctly but I doubt this issue is related to dual
screen because I tried unplugging the DVI screen a while ago to investigate the
resume issue and it didn't help.
I attached to the bug the kernel logs with
nouveau.debug="PDISP=trace,I2C=trace,VBIOS=trace" for both the case when the
screen doesn't light up and when it does.</pre>
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