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      <base href="https://bugs.freedesktop.org/" />
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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 - [g965] intermittent gpu hang on piglit.spec.ext_framebuffer_object.fbo-maxsize"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=92108">92108</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>[g965] intermittent gpu hang on piglit.spec.ext_framebuffer_object.fbo-maxsize
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>Mesa
          </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>Drivers/DRI/i965
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>idr@freedesktop.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>mark.a.janes@intel.com
          </td>
        </tr>

        <tr>
          <th>QA Contact</th>
          <td>intel-3d-bugs@lists.freedesktop.org
          </td>
        </tr></table>
      <p>
        <div>
        <pre>one of Mesa's g965 continuous integration systems encounters occasional GPU
hang on this piglit test.

 [drm] stuck on render ring
 [drm] GPU HANG: ecode 4:0:0xfde5fafd, in fbo-maxsize [8834], reason: Ring
hung, action: reset

Running the test suite with i915.reset=0, this test was found to be running in
several of the hang cases.

Strangely, otc-gfxtest-g965-02 encounters the hang, but otc-gfxtest-g965-01
does not.  The failing system is a mobile:

jenkins@otc-gfxtest-g965-02:/$ lspci | grep VGA
00:02.0 VGA compatible controller: Intel Corporation Mobile GM965/GL960
Integrated Graphics Controller (primary) (rev 0c)


in contrast, the working system is a desktop:
jenkins@otc-gfxtest-g965-01:/$ lspci | grep VGA
00:02.0 VGA compatible controller: Intel Corporation 82Q963/Q965 Integrated
Graphics Controller (rev 02)</pre>
        </div>
      </p>
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