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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [BSW Bisected]GFXBench3_gl_driver/GFXBench3_gl_driver_offscreen performance reduced by 11%"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=90134">90134</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>[BSW Bisected]GFXBench3_gl_driver/GFXBench3_gl_driver_offscreen performance reduced by 11%
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>DRI
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>unspecified
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>Other
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>All
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>medium
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>DRM/Intel
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>intel-gfx-bugs@lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>wendy.wang@intel.com
          </td>
        </tr>

        <tr>
          <th>QA Contact</th>
          <td>intel-gfx-bugs@lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>intel-gfx-bugs@lists.freedesktop.org
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Created <span class=""><a href="attachment.cgi?id=115257" name="attach_115257" title="dmesg file">attachment 115257</a> <a href="attachment.cgi?id=115257&action=edit" title="dmesg file">[details]</a></span>
dmesg file

System Environment: 
Failed platform: BSW

GFX SW stack:
 Libdrm:       
(master)libdrm-2.4.60-34-g0d78b37b1cac304ce5e84d1207f0a43abd29c000
 Mesa:        (master)1eac3ae1a6ebecf353054d937dd603a11ea33fb3
 Xserver:       
(master)xorg-server-1.17.0-76-gb1029716e41e252f149b82124a149da180607c96
 Xf86_video_intel:       
(master)2.99.917-274-g75d87762471e195dddd73056fc6a06e17db1c8b0
 Cairo:        (master)2cf2d8e340a325adb205baf8e4bd64e1d1858008
 Libva:        (master)062a63932c0f1439aa587aa986bbcfb758ff38f2
 Libva_intel_driver:        (master)890f538f62707ec07a6accdb65bafcaffc941bb1
 Kernel:   (drm-intel-nightly)d600654ab94b325f253e267422dcf60302120ea0


Regression: Yes, it's kernel regression
Bisect from drm-intel-next-queued branch, the first bad commit shows as below:

commit f4f71c7dfc5c989f53a1861f3ac42e24018fad4c
Author: Deepak S <<a href="mailto:deepak.s@linux.intel.com">deepak.s@linux.intel.com</a>>
AuthorDate: Sat Mar 28 15:23:35 2015 +0530
Commit: Daniel Vetter <<a href="mailto:daniel.vetter@ffwll.ch">daniel.vetter@ffwll.ch</a>>
CommitDate: Thu Apr 16 16:05:24 2015 +0200

    drm/i915: Re-adjusting rc6 promotional timer for chv


Bug description:
GFXBench3_gl_driver/GFXBench3_gl_driver_offscreen performance reduced by 11% 

Reproduce Steps:
1. cd /gfxbench3_desktop/build/linux/gfxbench_Release/mainapp
2. export
LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/games/OpenGL/gfxbench3_desktop/install/linux/lib
3. ./mainapp vblank_mode=0 -t gl_alu -fullscreen 1 -w 1920 -h 1080

Dmesg file has been attached.</pre>
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