[Bug 82446] [IVB/HSW Regression]igt/kms_flip subcases flip-vs-expired-vblank and flip-vs-expired-vblank-interruptible fail

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=82446

--- Comment #2 from Guo Jinxian <jinxianx.guo at intel.com> ---
Created attachment 104789
  --> https://bugs.freedesktop.org/attachment.cgi?id=104789&action=edit
dmesg

(In reply to comment #1)
> It looks like this has been fixed in the latest -nightly, could you retest?

Test still failed on latest -nightly(186631131a9289dad22f51315d78b9b6ac5b425f)
on HSW

[root at x-hsw24 tests]# ./kms_flip --run-subtest
flip-vs-expired-vblank-interruptible
IGT-Version: 1.7-g5c7bcb1 (x86_64) (Linux:
3.16.0_drm-intel-nightly_186631_20140818+ x86_64)
Using monotonic timestamps
Beginning flip-vs-expired-vblank-interruptible on crtc 7, connector 18
  1920x1080 60 1920 2008 2052 2200 1080 1084 1089 1125 0x5 0x48 148500
.Test assertion failure function run_test_step, file kms_flip.c:840:
Failed assertion: timercmp(&reply.ts, &o->flip_state.last_ts, ==)
Last errno: 4, Interrupted system call
Subtest flip-vs-expired-vblank-interruptible: FAIL

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