[Bug 76307] New: [BDW Regression]igt/kms_fbc_crc/page_flip fails

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=76307

          Priority: high
            Bug ID: 76307
                CC: intel-gfx-bugs at lists.freedesktop.org
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: [BDW Regression]igt/kms_fbc_crc/page_flip fails
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: major
    Classification: Unclassified
                OS: Linux (All)
          Reporter: huax.lu at intel.com
          Hardware: All
            Status: NEW
           Version: unspecified
         Component: DRM/Intel
           Product: DRI

Created attachment 95989
  --> https://bugs.freedesktop.org/attachment.cgi?id=95989&action=edit
dmesg

System Environment:
--------------------------
Platform: Broadwell
kernel: (drm-intel-nightly)b1859622badb7509586987af5269aa525a0c112f

Bug detailed description:
-------------------------
It fails on Broadwell with -nightly and -queued kernel. It doesn't skip
successfully.
igt/kms_fbc_crc/page_flip_and_blt also fails.

The latest known good commit: 4c0e552882114d1edb588242d45035246ab078a0
The latest known bad commit: b2040f6fed736ccd2319768bc59833abe74148b8

output:
IGT-Version: 1.6-g10571b8 (x86_64) (Linux:
3.14.0-rc6_drm-intel-nightly_b18596_20140314+ x86_64)
Beginning page_flip on crtc 3, connector 10
Test assertion failure function test_crc, file kms_fbc_crc.c:314:
Last errno: 0, Success
Failed assertion: igt_crc_equal(&crcs[0], &data->ref_crc[1])
Subtest page_flip: FAIL

Reproduce steps:
---------------------------- 
1. ./kms_fbc_crc --run-subtest page_flip

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