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      <base href="https://bugs.freedesktop.org/" />
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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <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>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>G98: GL(X) compositing - XRandR DPMS trouble
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>xorg
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>unspecified
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>Other
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>All
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>medium
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>Driver/nouveau
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>nouveau@lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>pomidorabelisima@gmail.com
          </td>
        </tr>

        <tr>
          <th>QA Contact</th>
          <td>xorg-team@lists.x.org
          </td>
        </tr></table>
      <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>
        </div>
      </p>
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