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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 --- - [IVB/HSW bisected] 3DMMES v2.0 render error ”Green Screen” with gnome-session enabling SNA"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=67241">67241</a>
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>chris@chris-wilson.co.uk
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>[IVB/HSW bisected] 3DMMES v2.0 render error ”Green Screen” with gnome-session enabling SNA
          </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>mengmeng.meng@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>Driver/intel
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>xorg
          </td>
        </tr></table>
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        <pre>System Environment:       
----------------------------------------------
Platform:  IVB/HSW
Mesa:             (master)5a7bdd4b4173958c53109517b7c95f1039623e7e
Xf86_video_intel:(master)74dd10d252df2d826b6db5da7e53bd7c5d76dec0    
Kernel:    (drm-intel-nightly) 1a7fc2d3e919e151a2e87dd6c98f20eccf95e041

Bug detailed description:
----------------------------------------------
3DMMES v2.0 render error ”Green Screen” with gnome-session enabling SNA on
IVB/HSW. It would be Ok on Raw X(xinit) or disable SNA. 
BTW, the render error make 3DMMES v2.0 performance “improved” such as:
3DMMES v2.0 taiji 147 -> 178 fps.
Please see Xorg.0.log and dmesg.

It’s xf86_video_intel regression, bisecting show the first bad commit is that:
commit e5036fb15983a1d3547eaab381c18b3edf4310b4
Author: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
Date:   Fri Jul 19 11:51:40 2013 +0100

    sna/dri: Reject invalid DRI2Drawables if STRICT_BLIT is defined


Reproduce steps:
---------------------------------------------
1. enable SNA
2. xinit&
3. gnome-session
4. run 3DMMES v2.0</pre>
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