[Bug 79290] New: [IVB]igt/kms_mmio_vs_cs_flip/setcrtc_vs_cs_flip fails

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=79290

          Priority: medium
            Bug ID: 79290
                CC: intel-gfx-bugs at lists.freedesktop.org
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: [IVB]igt/kms_mmio_vs_cs_flip/setcrtc_vs_cs_flip fails
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: jinxianx.guo at intel.com
          Hardware: Other
            Status: NEW
           Version: unspecified
         Component: DRM/Intel
           Product: DRI

Created attachment 99922
  --> https://bugs.freedesktop.org/attachment.cgi?id=99922&action=edit
dmesg

==System Environment==
--------------------------
Regression: No. 
It's new case

Non-working platforms: IVB

==kernel==
--------------------------
origin/drm-intel-nightly: 3dabfd0ec37a5079f40491f864f706a9aeb9d87b(works)
    drm-intel-nightly: 2014y-05m-26d-15h-56m-36s integration manifest
origin/drm-intel-next-queued: dbf0001f5cf7b72526ae62ac9a57c00176be0411(works)
    drm/i915: Keep vblank interrupts enabled while enabling/disabling planes   
origin/drm-intel-fixes: c1240bd2842f6ec26d7dc1d9c845a197a41d33fe(fails)
    drm/i915: Prevent negative relocation deltas from wrapping

==Bug detailed description==
-----------------------------
igt/kms_mmio_vs_cs_flip/setcrtc_vs_cs_flip fails

Output:
./kms_mmio_vs_cs_flip --run-subtest setcrtc_vs_cs_flip
IGT-Version: 1.6-gff3c122 (x86_64) (Linux:
3.15.0-rc5_drm-intel-fixes_c1240b_20140527_debug+ x86_64)
Test assertion failure function test_crtc, file kms_mmio_vs_cs_flip.c:502:
Last errno: 0, Success
Failed assertion: igt_crc_equal(&ref_crc, &crc)
Subtest setcrtc_vs_cs_flip: FAIL

==Reproduce steps==
---------------------------- 
1. ./kms_mmio_vs_cs_flip --run-subtest setcrtc_vs_cs_flip

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