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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Priority</th>
          <td>medium
          </td>
        </tr>

        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW --- - oopses in i915_gem_free_request()"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=70874">70874</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>oopses in i915_gem_free_request()
          </td>
        </tr>

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

        <tr>
          <th>Severity</th>
          <td>major
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>All
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>eric@anholt.net
          </td>
        </tr>

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

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>unspecified
          </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=88124" name="attach_88124" title="oops output from dmesg">attachment 88124</a> <a href="attachment.cgi?id=88124&action=edit" title="oops output from dmesg">[details]</a></span>
oops output from dmesg

Ever since switching to drm-intel-nightly to test some patches a while back, my
IVB MBA has been oopsing on a regular basis when running piglit quick.tests in
a gnome-shell session.

Oops will be attached, but an excerpt:

[111184.767285] RIP: 0010:[<ffffffffa0014c30>]  [<ffffffffa0014c30>]
i915_gem_free_request+0x50/0xc0 [i915]
...
[111184.767616] Call Trace:
[111184.767639]  [<ffffffffa0015e75>] i915_gem_retire_requests_ring+0x65/0x130
[i915]
[111184.767681]  [<ffffffffa001c5b7>] i915_gem_set_domain_ioctl+0x197/0x250
[i915]
[111184.767718]  [<ffffffff8151da82>] drm_ioctl+0x502/0x630
[111184.767746]  [<ffffffff811c67a1>] ? fsnotify+0x231/0x310
[111184.767774]  [<ffffffff8119b8fd>] do_vfs_ioctl+0x2cd/0x4a0
[111184.767801]  [<ffffffff8119bb51>] SyS_ioctl+0x81/0xa0
[111184.767829]  [<ffffffff81c36ea2>] system_call_fastpath+0x16/0x1b

Apparently at some point my kernel config rotted and lost debugging symbols;
I've found the knob to reenable and built a new one so next time I'll be able
to get line info.

Kernel commit:
commit 5877608517a5b964433d9e6bba402426ccdc1a41
Author: Kenneth Graunke <<a href="mailto:kenneth@whitecape.org">kenneth@whitecape.org</a>>
Date:   Mon Oct 14 11:38:40 2013 -0700

    use per-context OACONTROL stuff again.

branchpoint from danvet:
commit aabd627ec77463dc9c064ce2735ef71f48a2ec94
Merge: e4e0241 14c8d11
Author: Daniel Vetter <<a href="mailto:daniel.vetter@ffwll.ch">daniel.vetter@ffwll.ch</a>>
Date:   Tue Oct 22 00:28:42 2013 +0200

    Merge remote-tracking branch 'drm-upstream/drm-next' into drm-intel-nightly

Note that I was also experiencing this problem without kwg's stuff -- it
started when I was trying to get a patch tested for Ben.</pre>
        </div>
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