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        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - GPU hang (ring hung) with chromium and OpenGL composite manager on Intel 965GM"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=88777">88777</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>GPU hang (ring hung) with chromium and OpenGL composite manager on Intel 965GM
          </td>
        </tr>

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

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

        <tr>
          <th>Hardware</th>
          <td>x86-64 (AMD64)
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Linux (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>barbieri@gmail.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=112778" name="attach_112778" title="dmesg.txt of kernel with drm.debug=0xe">attachment 112778</a> <a href="attachment.cgi?id=112778&action=edit" title="dmesg.txt of kernel with drm.debug=0xe">[details]</a></span>
dmesg.txt of kernel with drm.debug=0xe

I've noticed this bug to be reproducible on my system even after recent updates
to xorg and mesa.

My system:
 - MacBook 4,1 (Intel(R) Core(TM)2 Duo T8300, video card is 965GM)
 - ArchLinux (kernel 3.18.2-2-ARCH x86_64 SMP PREEMPT)
 - Package versions:
    * xorg-server: 1.16.3-2
    * xf86-video-intel: 2.99.917-1
    * libva-intel-driver: 1.5.0-1
    * libva-mesa-driver: 10.4.2-1 
    * mesa: 10.4.2-1
    * libdrm: 2.4.59-1
    * enlightenment: 0.19.2-1 
    * slim: 1.3.6-5
 - Window Manager: Enlightenment 0.19.2 running OpenGL compositor (also happens
with GNOME3, but that often crashes earlier)
 - Login Manager: slim (shouldn't matter but...)

Steps to reproduce:
 1. Login to enlightenment using its OpenGL composite manager;
 2. Visit Chrome Themes page
<a href="https://chrome.google.com/webstore/category/themes?hl=en">https://chrome.google.com/webstore/category/themes?hl=en</a>
 3. GPU hungs

See attached logs:
 * dmesg.txt: kernel booted with drm.debug=0xe
 * drm_card0_error.txt: /sys/class/drm/card0/error, same as
/sys/kernel/debug/dri/0/i915_error_state</pre>
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