[Bug 68832] New: Bisected]igt/kms_flip/flip-vs-panning-interruptible fails

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=68832

          Priority: high
            Bug ID: 68832
                CC: intel-gfx-bugs at lists.freedesktop.org
          Assignee: chris at chris-wilson.co.uk
           Summary: Bisected]igt/kms_flip/flip-vs-panning-interruptible
                    fails
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: major
    Classification: Unclassified
                OS: Linux (All)
          Reporter: huax.lu at intel.com
          Hardware: All
            Status: NEW
           Version: unspecified
         Component: DRM/Intel
           Product: DRI

Created attachment 85041
  --> https://bugs.freedesktop.org/attachment.cgi?id=85041&action=edit
dmesg

System Environment:
--------------------------
Platform:  PNV/ILK/SNB/IVB/HSW
Kernel:    (drm-intel-nightly)4508e539b642ff40ad57f3ab7721ed2862da2eb5

Bug detailed description:
-----------------------------
It fails on PNV/ILK/SNB/IVB/HSW.It happens on drm-intel-nightly,
drm-intel-next-queued, drm-intel-fixes kernel.
Following cases also fail:
igt/kms_flip/flip-vs-absolute-wf_vblank    
igt/kms_flip/flip-vs-absolute-wf_vblank-interruptible    
igt/kms_flip/flip-vs-panning    

Bisect shows: 919d68901187fa797a9b648fcf87c838fae22fa3 is the first bad commit.
commit 919d68901187fa797a9b648fcf87c838fae22fa3
Author:     Chris Wilson <chris at chris-wilson.co.uk>
AuthorDate: Thu Aug 29 15:33:53 2013 +0100
Commit:     Chris Wilson <chris at chris-wilson.co.uk>
CommitDate: Thu Aug 29 16:19:41 2013 +0100

    kms_flips: Operate on an array of crtc

    This should be no functional change as we operate on an array of
    crtc[1]. Later we shall test clone mode across a number of crtc.

    Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>

output:
Using monotonic timestamps
Beginning flip-vs-panning-interruptible on crtc 3, connector 7
  1280x1024 60 1280 1328 1440 1688 1024 1025 1028 1066 0x5 0x48 108000
..................................................................................................................................failed
to pan (2560x1024 at 60Hz): No space left on device
Subtest flip-vs-panning-interruptible: FAIL
DPMS property not found on 7


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

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