[Bug 59999] New: [ILK,IVB]kms_flip error: inter-flip ts jitter

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=59999

          Priority: medium
            Bug ID: 59999
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: [ILK,IVB]kms_flip error: inter-flip ts jitter
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: bingx.a.yan at intel.com
          Hardware: Other
            Status: NEW
           Version: XOrg CVS
         Component: DRM/Intel
           Product: DRI

Created attachment 73801
  --> https://bugs.freedesktop.org/attachment.cgi?id=73801&action=edit
inter-flip-ILK.dmesg

ILK Environment(32 bit):
--------------------

Kernel: (drm-intel-nightly)2d039f65e28be0be6ef765f6da45df6b3c4efef2
Some additional commit info:
Merge: ef13e7f 735dc0d
Author: Daniel Vetter <daniel.vetter at ffwll.ch>
Date:   Fri Jan 25 00:00:02 2013 +0100

Description:
--------------------
Using the latest -nightly

1.Running some kms_flip subcases fail and there are same std out.

2.std out:

Using monotonic timestamps
running testcase: flip-vs-blocking-wf-vblank
Beginning flip-vs-blocking-wf-vblank on crtc 3, connector 10
  1366x768 60 1366 1398 1422 1426 768 771 775 806 0x9 0x48 69000
...................................................................................................................inter-flip
ts jitter: 0s, 49992us

3.Fail like this ,subcase list on ILK & IVB:
  (1)flip-vs-absolute-wf_vblank
  (2)flip-vs-blocking-wf-vblank
  (3)flip-vs-wf_vblank
  (4)plain-flip-fb-recreate
  (5)plain-flip-ts-check


4.And this fail also exist in IVB.


IVB Environment(64 bit):
--------------------

Kernel: (drm-intel-nightly)5e94786cd18121acb51cf75478b3bf9eec56c26c
Some additional commit info:
Merge: b286e36 735dc0d
Author: Daniel Vetter <daniel.vetter at ffwll.ch>
Date:   Mon Jan 28 00:29:10 2013 +0100


5.I attached both the dmesg.

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