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<th>Priority</th>
<td>medium
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<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [sna] Occasional artifacts on window borders (theme dependent)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=80033">80033</a>
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<th>Assignee</th>
<td>chris@chris-wilson.co.uk
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<th>Summary</th>
<td>[sna] Occasional artifacts on window borders (theme dependent)
</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>normal
</td>
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<th>Classification</th>
<td>Unclassified
</td>
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<th>OS</th>
<td>All
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<th>Reporter</th>
<td>b3nmore@googlemail.com
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<th>Hardware</th>
<td>Other
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Version</th>
<td>unspecified
</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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<div>
<pre>Using kernel 3.15 and the xorg intel driver 2.99.912 from a git build on
2014/06/11, I still get sometimes artifacts on window borders (they show
stripes) when using xfwm4 and sna enabled (Originally reported on launchpad
with screenshots:
<a href="https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1171411">https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1171411</a>).
Recently I found out, that it only happens with one specific theme
(greybird-compact of recent xubuntu versions) and not with a quite similar one
(greybird). xfwm4 decorates window borders by repeatedly drawing little xpms
(left-*.xpm, right-*.xpm, bottom-*.xpm). The problematic theme uses 2x2 or 2x1
pixel xpms whereas the other uses 1x1 pixel xpms for those decorations.
For now I just copied the corresponding 1x1 xpms to the greybird-compact theme,
which works around the issue, but I guess there should be a real fix.</pre>
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