[Bug 89100] New: [SKL]kms_universal_plane causes system hang

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=89100

            Bug ID: 89100
           Summary: [SKL]kms_universal_plane causes system hang
           Product: DRI
           Version: unspecified
          Hardware: All
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: high
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: huax.lu at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

System Environment:
--------------------------
Regression: not sure

no-working platforms: SKL

==kernel==
--------------------------
drm-intel-nightly/2a579576e4c01799ec67264c9169e5adeadcc3ff
commit 2a579576e4c01799ec67264c9169e5adeadcc3ff
Author: Daniel Vetter <daniel.vetter at ffwll.ch>
Date:   Wed Feb 11 17:16:34 2015 +0100

    drm-intel-nightly: 2015y-02m-11d-16h-11m-28s UTC integration manifest

==Bug detailed description==
-----------------------------
It causes system hang with drm-intel-nightly kernel.Plug serial, boot fail, so
I don't catch any dmesg.

output:
IGT-Version: 1.9-g9846e7f (x86_64) (Linux:
3.19.0_drm-intel-nightly_2a5795_20150212+ x86_64)
Testing connector eDP-1 using pipe A
(kms_universal_plane:5230) CRITICAL: Test assertion failure function
functional_test_pipe, file kms_universal_plane.c:270:
(kms_universal_plane:5230) CRITICAL: Failed assertion:
igt_crc_equal(&test.crc_1, &test.crc_5)
Subtest universal-plane-pipe-A-functional: FAIL (2.228s)

==Reproduce steps==
---------------------------- 
1. ./kms_universal_plane

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