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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 - Crash report. Just upgraded to ubuntu 15.10 today."
   href="https://bugs.freedesktop.org/show_bug.cgi?id=91122">91122</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Crash report. Just upgraded to ubuntu 15.10 today.
          </td>
        </tr>

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

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

        <tr>
          <th>Hardware</th>
          <td>Other
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>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>415fox@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=116747" name="attach_116747" title="GPU crash dump saved to /sys/class/drm/card0/error">attachment 116747</a> <a href="attachment.cgi?id=116747&action=edit" title="GPU crash dump saved to /sys/class/drm/card0/error">[details]</a></span>
GPU crash dump saved to /sys/class/drm/card0/error

Here is the crash dump attached as requested. dmesg says:


[ 2578.757192] [drm] stuck on render ring
[ 2578.757703] [drm] GPU HANG: ecode 7:0:0x00000000, in kwin_x11 [1560],
reason: Ring hung, action: reset
[ 2578.757704] [drm] GPU hangs can indicate a bug anywhere in the entire gfx
stack, including userspace.
[ 2578.757705] [drm] Please file a _new_ bug report on bugs.freedesktop.org
against DRI -> DRM/Intel
[ 2578.757705] [drm] drm/i915 developers can then reassign to the right
component if it's not a kernel issue.
[ 2578.757706] [drm] The gpu crash dump is required to analyze gpu hangs, so
please always attach it.
[ 2578.757707] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[ 2578.765193] drm/i915: Resetting chip after gpu hang
[16003.381410] kactivitymanage[1684]: segfault at 18 ip 00007f2425e59f00 sp
00007fffedc0d2e8 error 4 in libqxcb.so[7f2425e2b000+b9000]
[16004.541260] krunner[14925]: segfault at 18 ip 00007fb4c9139059 sp
00007ffd8b111e60 error 4 in libqxcb.so[7fb4c90ef000+b9000]
[16004.541420] kwin_x11[14920]: segfault at 18 ip 00007fe79d4b9059 sp
00007ffe99364a20 error 4 in libqxcb.so[7fe79d46f000+b9000]
[16004.751763] plasmashell[14936]: segfault at 18 ip 00007f972b81c059 sp
00007ffe050af120 error 4 in libqxcb.so[7f972b7d2000+b9000]
[16005.511692] klauncher[14947]: segfault at 18 ip 00007f314626a059 sp
00007ffc6a2b85d0 error 4 in libqxcb.so[7f3146220000+b9000]</pre>
        </div>
      </p>
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