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<base href="https://bugs.freedesktop.org/" />
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<th>Priority</th>
<td>medium
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - SNA in zaphod mode (multiple screens) has rendering issues with Xnest"
href="https://bugs.freedesktop.org/show_bug.cgi?id=71260">71260</a>
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<th>Assignee</th>
<td>chris@chris-wilson.co.uk
</td>
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<th>Summary</th>
<td>SNA in zaphod mode (multiple screens) has rendering issues with Xnest
</td>
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<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
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<th>Severity</th>
<td>major
</td>
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<th>Classification</th>
<td>Unclassified
</td>
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<th>OS</th>
<td>Linux (All)
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<th>Reporter</th>
<td>intelgraphics7@gmx-topmail.de
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<th>Hardware</th>
<td>x86 (IA32)
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<th>Status</th>
<td>NEW
</td>
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<th>Version</th>
<td>git
</td>
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<th>Component</th>
<td>Driver/intel
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<th>Product</th>
<td>xorg
</td>
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<p>
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<pre>In zaphod mode (i.e. two screens) when running Xnest I get rendering
corruptions when I i.e. move a xfce-terminal window over another xfce-terminal
window.
The problem becomes even more obvious when having the Xnest window spanning
across the two screens and then moving windows within the Xnest session across
screen borders. The contents of the moving window is rarely rendered at all.
Since this issue mainly happens within Xnest, I guess it has to do with area
copying of child of child of child windows or so.
Xnest works fine when not having the zaphod mode active meaning only one
physical X screen configured even if it spans two outputs.</pre>
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