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        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [BYT]igt/drm_import_export causes system hang"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=87024">87024</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>[BYT]igt/drm_import_export causes system hang
          </td>
        </tr>

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

        <tr>
          <th>Version</th>
          <td>DRI git
          </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>jinxianx.guo@intel.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>==System Environment==
--------------------------
Regression: Not sure.
I didn't find good commit on both kernel and igt. I will investigte it later.

Non-working platforms: BYT

==kernel==
--------------------------
origin/drm-intel-nightly: 2014_12_02(fails)
origin/drm-intel-next-queued:6c930688cb04e81ca71092baf585f7ea1c670368(fails)
    drm/i915/skl: Update the DDI translation values for DP/eDP 1.3
origin/drm-intel-fixes: b0616c5306b342ceca07044dbc4f917d95c4f825(fails)
    drm/i915: Unlock panel even when LVDS is disabled

==Bug detailed description==
-----------------------------
igt/drm_import_export causes system hang.

Because system hang, unable to get dmesg. And here nothing output on the screen

Output:
root@x-byt06:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests#
./drm_import_export
IGT-Version: 1.8-ga535cde (x86_64) (Linux:
3.18.0-rc7_drm-intel-nightly_691817_20141202+ x86_64)



==Reproduce steps==
---------------------------- 
1. ./drm_import_export</pre>
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