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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 --- - stuck on render ring ( GMBUS [i915 gmbus vga] timed out)"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=84561">84561</a>
          </td>
        </tr>

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

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

        <tr>
          <th>Summary</th>
          <td>stuck on render ring ( GMBUS [i915 gmbus vga] timed out)
          </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>thomas.langewouters@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>XOrg CVS
          </td>
        </tr>

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

        <tr>
          <th>Product</th>
          <td>DRI
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Created <span class=""><a href="attachment.cgi?id=107202" name="attach_107202" title="output of /sys/class/drm/card0/error">attachment 107202</a> <a href="attachment.cgi?id=107202&action=edit" title="output of /sys/class/drm/card0/error">[details]</a></span>
output of /sys/class/drm/card0/error

My X session freezes.  After a minute the screen turns black, with the mouse
pointer still painted however.  I have the same issue with the intel graphics
installer, versions:
Setting up intel-gpu-tools (1.7-1) ...
Setting up va-driver-all:amd64 (1.3.1-3) ...
Setting up vainfo (1.3.1-3) ...
Setting up xserver-xorg-video-intel (2:2.99.911-0intel1) ...
Setting up libva-intel-vaapi-driver (1.3.0-1ubuntu1) ...</pre>
        </div>
      </p>
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