[Bug 79050] [PNV/BDW Regression]igt/kms_flip some subcases fail

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=79050

Guo Jinxian <jinxianx.guo at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|NEEDINFO                    |

--- Comment #2 from Guo Jinxian <jinxianx.guo at intel.com> ---
This bug still able to reproduce on latest
-nightly(a7665faa31dbbbae25e376508a9b3781e25d09e2)

Output:
[root at x-pnv2 tests]# ./kms_flip --run-subtest
modeset-vs-vblank-race-interruptible
IGT-Version: 1.7-g67e29a3 (i686) (Linux:
3.16.0-rc2_drm-intel-nightly_a7665f_20140701+ i686)
Using monotonic timestamps
Beginning modeset-vs-vblank-race-interruptible on crtc 9, connector 10
  1024x600 60 1024 1072 1104 1200 600 603 609 625 0xa 0x48 45000
..Test assertion failure function run_test_step, file kms_flip.c:886:
Last errno: 4, Interrupted system call
Failed assertion: end - start > 1 * frame_time(o) / 2 && end - start < 3 *
frame_time(o) / 2
Subtest modeset-vs-vblank-race-interruptible: FAIL

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