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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - G98: GL(X) compositing - XRandR DPMS trouble"
href="https://bugs.freedesktop.org/show_bug.cgi?id=93795">93795</a>
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<th>Summary</th>
<td>G98: GL(X) compositing - XRandR DPMS trouble
</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>Other
</td>
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<th>OS</th>
<td>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
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<th>Component</th>
<td>Driver/nouveau
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<th>Assignee</th>
<td>nouveau@lists.freedesktop.org
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<th>Reporter</th>
<td>pomidorabelisima@gmail.com
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<th>QA Contact</th>
<td>xorg-team@lists.x.org
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<p>
<div>
<pre>The case with the Xfce GLX compositing is,
output disablement/enablement via xrandr:
$ xrandr --output <output> --off ; xrandr --auto
produces unusable session screen - the mouse cursor is visible and motile, but
the rest of the screen is as blanked,
and the only thing left is to zap the xserver and re-log.
Both, Xfce(Xfwm) XRender compositing and DRI3, are NOT problematic in this
sense.
The case with the GNOME GL compositing is not essentially different,
output disablement/enablement via xrandr produces clutter/mutter/scooter
breakage,
thus gnome-shell terminates with signal SIGSEGV thereby reappears display
manager greeter screen.
<a href="https://bugzilla.redhat.com/attachment.cgi?id=1106815">https://bugzilla.redhat.com/attachment.cgi?id=1106815</a>
The case with the KDE GL compositing is comparable with the Xfce one.</pre>
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