[Bug 75593] New: [PNV]igt/kms_flip/dpms-vs-vblank-race fails

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=75593

          Priority: medium
            Bug ID: 75593
                CC: intel-gfx-bugs at lists.freedesktop.org
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: [PNV]igt/kms_flip/dpms-vs-vblank-race 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 94859
  --> https://bugs.freedesktop.org/attachment.cgi?id=94859&action=edit
dmesg

System Environment:
--------------------------
Platform: Pineview
Kernel:    (drm-intel-nightly) 1be8f2b4dd6d3db00af24d4891c82d2650bd282d

Bug detailed description:
---------------------------
New case fails on Pineview with -fixes,-queued and -nightly kernel.
Following new cases also fail:
igt/kms_flip/dpms-vs-vblank-race-interruptible    
igt/kms_flip/modeset-vs-vblank-race    
igt/kms_flip/modeset-vs-vblank-race-interruptible    

output:
IGT-Version: 1.5-gfa6b151 (i686) (Linux:
3.14.0-rc3_drm-intel-nightly_513e58_20140228+ i686)
Using monotonic timestamps
Beginning dpms-vs-vblank-race on crtc 4, connector 5
  1024x600 60 1024 1072 1104 1200 600 603 609 625 0xa 0x48 45000
Test assertion failure function run_test_step, file kms_flip.c:922:
Last errno: 22, Invalid argument
Failed assertion: __wait_for_vblank(TEST_VBLANK_BLOCK, o->pipe, 1, 0, &reply)
== 0
Subtest dpms-vs-vblank-race: FAIL

Reproduce steps:
-------------------------
1. ./kms_flip --run-subtest dpms-vs-vblank-race

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