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

        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW --- - render errors On SNA/IvyBridge"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=66990">66990</a>
          </td>
        </tr>

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

        <tr>
          <th>Summary</th>
          <td>render errors On SNA/IvyBridge
          </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>vrodic@gmail.com
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>Other
          </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>Created <span class=""><a href="attachment.cgi?id=82530" name="attach_82530" title="SNA-issue-4">attachment 82530</a> <a href="attachment.cgi?id=82530&action=edit" title="SNA-issue-4">[details]</a></span>
SNA-issue-4

I'm seeing various screen corruption issues with latest Intel SNA DDX on my Ivy
Bridge. On the kernel side, I have 3.10.1, and on X server side I have Ubuntu
ppa of xserver-xorg-core 1.13.4~git20130508. 

I'm not sure when exactly it started (could be months ago). Switching to UXA
makes the issue in bug-intel-ddx-4.png go away, and probably in
bug-intel-ddx-3.png, but that one is a bit harder to reproduce. 

I'm using mostly GTK2 clients on LXDE environment, without compositing.</pre>
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