[Bug 86422] New: [SNB]igt/kms_pwrite_crc fails

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=86422

            Bug ID: 86422
           Summary: [SNB]igt/kms_pwrite_crc fails
           Product: DRI
           Version: XOrg git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: jinxianx.guo at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 109653
  --> https://bugs.freedesktop.org/attachment.cgi?id=109653&action=edit
dmesg

--------------------------
Regression: No,
It's a new case

Non-working platforms: BDW

==kernel==
--------------------------
origin/drm-intel-nightly: 2728bc8199164de1a27586f8c94e37d03120f8cd(fails)
    drm-intel-nightly: 2014y-11m-17d-20h-21m-51s UTC integration manifest
origin/drm-intel-next-queued: 6ac0483b35bfc7546398d1198b65ed7be17f3cc5(fails)
    drm/i915: Propagate invalid setcrtc cloning errors back to userspace
origin/drm-intel-fixes: 0485c9dc24ec0939b42ca5104c0373297506b555(fails)
    drm/i915: Kick fbdev before vgacon

==Bug detailed description==
igt/kms_pwrite_crc fails

Output:
[root at x-hnr9 tests]# ./kms_pwrite_crc
IGT-Version: 1.8-gb35b150 (x86_64) (Linux:
3.18.0-rc5_drm-intel-nightly_2728bc_20141118+ x86_64)
Test assertion failure function test, file kms_pwrite_crc.c:103:
Failed assertion: igt_crc_equal(&crc, &data->ref_crc)

==Reproduce steps==
---------------------------- 
1. ./kms_pwrite_crc

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