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<base href="https://bugs.freedesktop.org/" />
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<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [bisect IVB] cairo-trace firefox-planet-gnome reduced by 24%"
href="https://bugs.freedesktop.org/show_bug.cgi?id=63825">63825</a>
</td>
</tr>
<tr>
<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Summary</th>
<td>[bisect IVB] cairo-trace firefox-planet-gnome reduced by 24%
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux (All)
</td>
</tr>
<tr>
<th>Reporter</th>
<td>bo.c.li@intel.com
</td>
</tr>
<tr>
<th>Hardware</th>
<td>All
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Component</th>
<td>DRM/Intel
</td>
</tr>
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<th>Product</th>
<td>DRI
</td>
</tr></table>
<p>
<div>
<pre>System Environment:
--------------------------
Platform:IVB
Libdrm:(master)libdrm-2.4.43-8-ge5d8a9c1d6375feb74feb52f419a025f1abf94d1
Mesa: (master)34bec4a25165bf5d3f957e26eda7624d325b161c
Xserver:(master)xorg-server-1.14.0-53-g6ca03b9161d33b1d2b55a3a1a913cf88deb2343
Cairo:(master)498421bec90f68f3d7219b145860a71fd39f0c64
Kernel: (drm-intel-nightly) 46d094678ca1c7b13c44de309b95938744bcea6f
Bug detailed description:
-----------------------------
Cairo-trace firefox-planet-gnome reduced by 24% on IVB. which caused by
kernel.
midori-zoomed, firefox-woodtv and swfdec-fill-rate-4xaa also have some bug.
First bad commit bisected is as following:
commit: (drm-intel-fixes) 25ff1195f8a0b3724541ae7bbe331b4296de9c06
Author: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
Date: Thu Apr 4 21:31:03 2013 +0100
drm/i915: Workaround incoherence between fences and LLC across multiple CPUs
Reproduce steps:
----------------------------
1, xinit&
2, CAIRO_TEST_TARGET=xlib ./cairo-perf-trace firefox-planet-gnome.trace</pre>
</div>
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