[Bug 78934] [BDW]igt/kms_flip subcases rcs-flip-vs-panning and rcs-flip-vs-panning-interruptible cost long time to execute

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=78934

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEEDINFO                    |ASSIGNED

--- Comment #3 from Guo Jinxian <jinxianx.guo at intel.com> ---
(In reply to comment #2)
> Please retest with latest -nightly, smells like the pageflip stall we've
> started to see all over. Recent kernels have mitigation and checks for this.

The result is failed on latest -nightly

[root at x-bdw01 tests]# time ./kms_flip --run-subtest rcs-flip-vs-panning
IGT-Version: 1.7-g1b1f4b1 (x86_64) (Linux:
3.16.0-rc1_drm-intel-nightly_00aac3_20140619+ x86_64)
Using monotonic timestamps
Beginning rcs-flip-vs-panning on crtc 6, connector 17
  1920x1080 60 1920 1966 1996 2080 1080 1082 1086 1112 0xa 0x48 138780
..
rcs-flip-vs-panning on crtc 6, connector 17: PASSED

Beginning rcs-flip-vs-panning on crtc 10, connector 17
  1920x1080 60 1920 1966 1996 2080 1080 1082 1086 1112 0xa 0x48 138780
Test assertion failure function wait_for_events, file kms_flip.c:1174:
Last errno: 0, Success
Failed assertion: ret > 0
select timed out or error (ret 0)
Subtest rcs-flip-vs-panning: FAIL

real    5m15.882s
user    0m0.204s
sys     0m0.439s


please refer to bug 79285

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