[Bug 65558] New: [ILK]igt/kms_flip/flip-vs-panning fail

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=65558

          Priority: medium
            Bug ID: 65558
                CC: xunx.fang at intel.com, yangweix.shui at intel.com
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: [ILK]igt/kms_flip/flip-vs-panning fail
        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 80545
  --> https://bugs.freedesktop.org/attachment.cgi?id=80545&action=edit
dmesg

System Environment:
--------------------------
Platform: Ironlake
Kernel: (linux-3.9.y)5dd2e9869de2d28fc7e5c274ff9c12af4361ba86
Some additional commit info:
Author: Greg Kroah-Hartman <gregkh at linuxfoundation.org>
Date:   Fri Jun 7 12:54:00 2013 -0700

    Linux 3.9.5

Bug detailed description:
-------------------------
It fails on Ironlake with 3.9.5 kernel.It also happens on Kernel:
(linux-3.9.y)4bb08696fab71294c8f1c134a21be9159f82ba08(3.9.3).
It works well on latest drm-intel-next-queued and drm-intel-fixes kernel.

output:
Using monotonic timestamps
running testcase: flip-vs-panning
Beginning flip-vs-panning on crtc 3, connector 7
  1280x1024 60 1280 1328 1440 1688 1024 1025 1028 1066 0x5 0x48 108000
........................................................................................unexpected
flip seq 4699, should be >= 4700

Reproduce steps:
----------------
1. ./kms_flip --run-subtest flip-vs-panning

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