[Bug 72384] New: [HSW]igt/kms_fbc_crc/mmap_cpu fails

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=72384

          Priority: medium
            Bug ID: 72384
                CC: intel-gfx-bugs at lists.freedesktop.org
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: [HSW]igt/kms_fbc_crc/mmap_cpu fails
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: huax.lu at intel.com
          Hardware: All
            Status: NEW
           Version: unspecified
         Component: DRM/Intel
           Product: DRI

Created attachment 90339
  --> https://bugs.freedesktop.org/attachment.cgi?id=90339&action=edit
dmesg

System Environment:
--------------------------
Platform: Haswell
Kernel (drm-intel-nightly)ddd0a9e2da6087c7aac74aca34fcdc90645cbdb4

Bug detailed description:
-------------------------
It fails on haswell with -nightly and -queued kernel. It is not support on
-fixes kernel.
It's a new case.
igt/kms_fbc_crc/page_flip_and_mmap_cpu also fails.

Beginning mmap_cpu on crtc 3, connector 9
Test assertion failure function test_crc, file kms_fbc_crc.c:313:
Failed assertion: !igt_crc_equal(&crcs[0], &data->ref_crc[0])
Subtest mmap_cpu: FAIL

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

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