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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 --- - [IVB] backlight stops working on screen off/VT-switch"
href="https://bugs.freedesktop.org/show_bug.cgi?id=84013">84013</a>
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<th>Assignee</th>
<td>chris@chris-wilson.co.uk
</td>
</tr>
<tr>
<th>Summary</th>
<td>[IVB] backlight stops working on screen off/VT-switch
</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>
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<th>OS</th>
<td>Linux (All)
</td>
</tr>
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<th>Reporter</th>
<td>adee.edu@gmail.com
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<th>Hardware</th>
<td>x86-64 (AMD64)
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
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<th>Version</th>
<td>git
</td>
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<th>Component</th>
<td>Driver/intel
</td>
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<th>Product</th>
<td>xorg
</td>
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<p>
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<pre>Hi
Commits
08921e4bda0114c66270e500090e4cfd29f74d39
and
fda1ffb07e17469771bba7a8d53fd44c43ee3333
causing the backlight control to cease working after the screen turns off or
after a VT switch. Restrating the xserver makes it working again.
Reverting those two fixes the problem.
Ubuntu 14.10 3.16.0-14-generic
xserver 1.16
Intel(R) HD Graphics 4000</pre>
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