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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - One monitor sometimes does not turn back on"
href="https://bugs.freedesktop.org/show_bug.cgi?id=108684">108684</a>
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<th>Summary</th>
<td>One monitor sometimes does not turn back on
</td>
</tr>
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<th>Product</th>
<td>xorg
</td>
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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)
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>normal
</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>
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<th>Reporter</th>
<td>timokau@zoho.com
</td>
</tr>
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<th>QA Contact</th>
<td>xorg-team@lists.x.org
</td>
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<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=142391" name="attach_142391" title="Xorg logfile (through journald)">attachment 142391</a> <a href="attachment.cgi?id=142391&action=edit" title="Xorg logfile (through journald)">[details]</a></span>
Xorg logfile (through journald)
I have Radeon HD 7870 with two monitors connected. One Acer G276HL over HDMI
and one Dell U2415b over DP.
The Acer sometimes does not turn back on when I wake the computer up from
suspend. That always affects only the Acer. I can also reproduce this by
executing `xset dpms force off && xset dpms force on` enough times. Forcing it
off and on also works to "fix" the issue when it occurs. Switching ttys also
helps.
The kernel version is 4.14.79, the XOrg version 1.19.6, the distro NixOS. Xorg
log is attached.</pre>
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