[Bug 85684] [BYT/BSW]igt/drv_hangman/kms_flip/gem_reset_stats sporadically causes *ERROR* Timed out: waiting for Render to ack

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=85684

lu hua <huax.lu at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[BYT]igt/drv_hangman/kms_fl |[BYT/BSW]igt/drv_hangman/km
                   |ip/gem_reset_stats          |s_flip/gem_reset_stats
                   |sporadically causes *ERROR* |sporadically causes *ERROR*
                   |Timed out: waiting for      |Timed out: waiting for
                   |Render to ack               |Render to ack

--- Comment #3 from lu hua <huax.lu at intel.com> ---
It also impacts BSW.
[root at x-bsw01 tests]# ./drv_hangman --run-subtest error-state-basic
IGT-Version: 1.8-gab5f7ea (x86_64) (Linux:
3.18.0-rc2_drm-intel-nightly_203b34_20141103+ x86_64)
Subtest error-state-basic: SUCCESS (15.659s)
[root at x-bsw01 tests]# dmesg -r|egrep "<[1-4]>"|grep drm
<3>[  235.778310] [drm:__vlv_force_wake_get [i915]] *ERROR* Timed out: waiting
for Render to ack.

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