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        <tr>
          <th>Priority</th>
          <td>high
          </td>
        </tr>

        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW --- - [ILK Bisected]igt/gem_concurrent_blit/gttX-rcs-gpu-read-after-write-forked skips"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=83641">83641</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>[ILK Bisected]igt/gem_concurrent_blit/gttX-rcs-gpu-read-after-write-forked skips
          </td>
        </tr>

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

        <tr>
          <th>Severity</th>
          <td>normal
          </td>
        </tr>

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

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

        <tr>
          <th>Reporter</th>
          <td>jinxianx.guo@intel.com
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>Other
          </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=105942" name="attach_105942" title="dmesg">attachment 105942</a> <a href="attachment.cgi?id=105942&action=edit" title="dmesg">[details]</a></span>
dmesg

==System Environment==
--------------------------
Regression: Yes.
It's a igt regression issue.

Non-working platforms: ILK

==kernel==
--------------------------
origin/drm-intel-nightly: 4a3d32734bdcef6813b31f06a58430436e98711e(skips)
    drm-intel-nightly: 2014y-09m-08d-18h-33m-01s integration manifest
origin/drm-intel-next-queued: 9c787942907face82da505c2c5493998b56cfc5a(skips)
    drm/i915: Decouple the stuck pageflip on modeset
origin/drm-intel-fixes: 25fc92b99f65bec7d7c747c0305f048d7b19cc44(skips)
    drm/i915: Fix EIO/wedged handling in gem fault handler

==Bug detailed description==
-----------------------------
igt/gem_concurrent_blit/gttX-rcs-gpu-read-after-write-forked skips


Output:
[root@x-pk5 tests]# ./gem_concurrent_blit --run-subtest
gttX-rcs-gpu-read-after-write-forked
IGT-Version: 1.7-gac3d060 (x86_64) (Linux:
3.17.0-rc2_drm-intel-nightly_51c49e_20140908+ x86_64)
using 2x512 buffers, each 1MiB
Test requirement not met in function rcs_require, file
gem_concurrent_blit.c:467:
Test requirement: rendercopy
Subtest gttX-rcs-gpu-read-after-write-forked: SKIP (0.000s)

==Reproduce steps==
---------------------------- 
1. ./gem_concurrent_blit --run-subtest gttX-rcs-gpu-read-after-write-forked

==Bisect results==
----------------------------
Bisect shows: 081887504a72878fc5f54778af68ebd9404b4e04 is the first bad commit
commit 081887504a72878fc5f54778af68ebd9404b4e04
Author:     Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
AuthorDate: Wed Sep 3 13:38:30 2014 +0100
Commit:     Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
CommitDate: Wed Sep 3 13:38:30 2014 +0100

    igt/gem_concurrent_blit: Move igt_require() out of children

    Otherwise the test infrastructure throws a fit.

    Bugzilla: <a class="bz_bug_link 
          bz_status_VERIFIED  bz_closed"
   title="VERIFIED FIXED - [ILK]igt/gem_concurrent_blit some subcases fail"
   href="show_bug.cgi?id=83420">https://bugs.freedesktop.org/show_bug.cgi?id=83420</a>
    Signed-off-by: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>></pre>
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