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<base href="https://bugs.freedesktop.org/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [IVB]openarena power regression"
href="https://bugs.freedesktop.org/show_bug.cgi?id=60344">60344</a>
</td>
</tr>
<tr>
<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Summary</th>
<td>[IVB]openarena power regression
</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>All
</td>
</tr>
<tr>
<th>Reporter</th>
<td>ouping.zhang@intel.com
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Other
</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>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr></table>
<p>
<div>
<pre>1.Environment
Kernel: (drm-intel-next-queued)de67cba65944f26c0f147035bd62e30c5f456b9
enable RC6 disable RC6
IVB Average watt Watt-hour Average watt Watt-hour
openarena 15.3 1.3 22.2 1.9
2.Environment
Kernel: 3.8-rc5 (master)949db153b6466c6f7cad5a427ecea94985927311
Libdrm:
(master)libdrm-2.4.41-4-g9dc0072e8d5a47fb0b2ada50fb897cb2c740bb40
Mesa: (9.0)1e8de8437a8a11f95eb745b92ed3db749b8c763c
Xserver: (server-1.13-branch)xorg-server-1.13.2
Xf86_video_intel: (master)2.20.19-59-gc2d06c407e1c2cbbf3f7f6c4989710a799cd43d0
Cairo: (master)2560c0b6577a6380ef175cf18bb804913784632c
Libva: (staging)21649988d6b532cc96f633db017d1e4369f640e9
Libva_intel_driver: (staging)b7cb38772e6f73d3c1b3465e0bc6c0009c2f5634
enable RC6 disable RC6
IVB Average watt Watt-hour Average watt Watt-hour
50.5 17.8 50.3 17.7
with the latest kernel(2), RC6 didn't save power on IVB and HSW, but with the
older kernel(1), RC6 saved power.</pre>
</div>
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