<html>
<head>
<base href="https://bugs.freedesktop.org/" />
</head>
<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/HSW/BYT-M/BDW Bisected]Warsow1.0/Xonotic 0.7/GpuTest_v0.5_triangle_fullscreen performance reduced by 20%~60%"
href="https://bugs.freedesktop.org/show_bug.cgi?id=79715">79715</a>
</td>
</tr>
<tr>
<th>Assignee</th>
<td>chris@chris-wilson.co.uk
</td>
</tr>
<tr>
<th>Summary</th>
<td>[IVB/HSW/BYT-M/BDW Bisected]Warsow1.0/Xonotic 0.7/GpuTest_v0.5_triangle_fullscreen performance reduced by 20%~60%
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Severity</th>
<td>major
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux (All)
</td>
</tr>
<tr>
<th>Reporter</th>
<td>jianx.zhou@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>git
</td>
</tr>
<tr>
<th>Component</th>
<td>Driver/intel
</td>
</tr>
<tr>
<th>Product</th>
<td>xorg
</td>
</tr></table>
<p>
<div>
<pre>Platform: IVB/HSW/BYT-M/BDW
Libdrm: (master)libdrm-2.4.54-9-g8fc62ca8ac010659023bb63c4759eb683de4f9af
Mesa: (master)cf29913aa156accbe60cb35f9a0bd2c21726cfa3
Xserver: (master)xorg-server-1.15.99.903
Xf86_video_intel:
(master)2.99.911-256-g08148896196443a8582c30b47ff546acca78d69c
Cairo: (master)ead5c7909f3db1d0d81121fc2775c458871891b2
Libva: (staging)35e70cb9b9c77dfb99fb370e319ed501f0c31b17
Libva_intel_driver: (staging)fbbe401aa28a0b3859d587ef08f0df15a2f7c8f2
Kernel:(drm-intel-nightly)git-0a37b5
Bug detailed description:
----------------------------------------------
Warsow1.0,Xonotic 0.7,GpuTest_v0.5_triangle_fullscreen,Counter-Strike
Source,Half-Life 2 performance reduced by 20%~60% on IVB/HSW/BYT-M/BDW. The
problem exists on gnome-session and Raw X. It’s Xserver regression.
By bisected show the first bad commit is :
e6f5d9d7b7efdacea0f22f1808efca849bcede4c
Author: Keith Packard <<a href="mailto:keithp@keithp.com">keithp@keithp.com</a>>
AuthorDate: Mon Jan 27 11:23:58 2014 -0800
Commit: Keith Packard <<a href="mailto:keithp@keithp.com">keithp@keithp.com</a>>
CommitDate: Wed Jun 4 22:03:35 2014 -0700
present: Queue flips for later execution
Reproduce steps:
---------------------------------------------
1. xinit&
vblank_mode=0 ./warsow.x86_64 +set vid_fullscreen 1 +logconsole pts-log exec
rofiles/high+.cfg +timedemo 1 +cg_showFPS 1 +cl_maxfps 999 +cl_checkForUpdate 0
+demo pts-demo10 +next quit +r_mode -1 +vid_customwidth 1920 +vid_customheight
1080 +vid_restart</pre>
</div>
</p>
<hr>
<span>You are receiving this mail because:</span>
<ul>
<li>You are the QA Contact for the bug.</li>
</ul>
</body>
</html>