[Bug 79713] New: [ILK Regression]igt/kms_fbc_crc some subcases fail

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=79713

          Priority: high
            Bug ID: 79713
                CC: intel-gfx-bugs at lists.freedesktop.org
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: [ILK Regression]igt/kms_fbc_crc some subcases fail
        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 100508
  --> https://bugs.freedesktop.org/attachment.cgi?id=100508&action=edit
dmesg

==System Environment==
--------------------------
Regression: Yes. 
I didn't find good commit, I will further investigate it.

Non-working platforms: ILK

==kernel==
--------------------------
origin/drm-intel-nightly: 222ccbcb9a8913cc29f83d277f5c105e2851293b(fails)
    drm-intel-nightly: 2014y-06m-05d-16h-11m-11s integration manifest
origin/drm-intel-next-queued: 9783dd21bc2143f410a6e86ed165d4c92a9298b7(fails)
    drm/i915: Add #defines for short/long pulse on gmch platforms
origin/drm-intel-fixes: 15d24aa5602fb87c7b1358cfabcfeb9b26db290f(fails)
    drm/i915: BDW: Adding missing cursor offsets.

==Bug detailed description==
-----------------------------
igt/kms_fbc_crc some subcases fail

Failed case list:
igt/kms_fbc_crc/blt
igt/kms_fbc_crc/context
igt/kms_fbc_crc/mmap_cpu
igt/kms_fbc_crc/mmap_gtt
igt/kms_fbc_crc/page_flip

igt/kms_cursor_crc/cursor-64-random
igt/kms_cursor_crc/cursor-64-sliding


Output:
./kms_fbc_crc --run-subtest blt
IGT-Version: 1.6-g9a70e29 (x86_64) (Linux:
3.15.0-rc3_drm-intel-next-queued_9783dd_20140606+ x86_64)
Test assertion failure function igt_output_commit, file igt_kms.c:886:
Last errno: 13, Permission denied
Failed assertion: ret == 0
Subtest blt: FAIL

==Reproduce steps==
---------------------------- 
1. ./kms_fbc_crc --run-subtest blt

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