[Bug 79052] [PNV/IVB/BSW]igt/kms_flip subcases vblank-vs-suspend and vblank-vs-suspend-interruptible fail

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=79052

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

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

--- Comment #10 from Guo Jinxian <jinxianx.guo at intel.com> ---
(In reply to Jesse Barnes from comment #9)
> Does this still happen on current kernels?  I think some vblank fixes have
> landed since then.

Test still fails on latest -nightly(bfdd01aa1825aa0068f9236b21362b550f6d630f)


root at x-bsw01:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# ./kms_flip
--run-subtest vblank-vs-suspend
IGT-Version: 1.8-g819e68f (x86_64) (Linux:
3.18.0-rc7_drm-intel-nightly_bfdd01_20141208+ x86_64)
Using monotonic timestamps
Beginning vblank-vs-suspend on crtc 8, connector 29
  1920x1080 60 1920 1966 1996 2080 1080 1082 1086 1112 0xa 0x48 138780
.rtcwake: assuming RTC uses UTC ...
rtcwake: wakeup from "mem" using /dev/rtc0 at Thu Jan  4 23:55:17 2001
.rtcwake: assuming RTC uses UTC ...
rtcwake: wakeup from "mem" using /dev/rtc0 at Thu Jan  4 23:55:51 2001
Test assertion failure function check_state, file kms_flip.c:572:
Failed assertion: es->current_seq - es->last_seq <= 100
unexpected vblank seq 269, should be < 249
Subtest vblank-vs-suspend: FAIL (10.066s)

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