[Bug 59834] [ILK]I-G-T/kms_flip subtest: 'wf_vblank-vs-modeset' fail

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=59834

--- Comment #5 from Imre Deak <imre.deak at gmail.com> ---
(In reply to comment #4)
> (In reply to comment #3)
> > (In reply to comment #2)
> > > One way I can reproduce this on current nightly 100% on IVB if the console
> > > is blanked when I start the test:
> > > 
> > > # echo 1 > /sys/class/graphics/fb0/blank
> > > # kms_flip --run-subtest wf_vblank-vs-modeset
> > > 
> > > Could you yanbing try this too?
> > 
> > Could you also try the patch attached to bug #60002?
> 
> I apply this patch on -nightly top, then loop running this case 20 times,
> all passed, I double checked ILK and IVB platform, Both worked well. But I
> don't know whether it's enough to judge this bug is fixed, because I see
> yanbing describe that this issue is not stable reproduced.

Yes, you are right mine is a separate test case, I can only guess that the root
cause is the same.

The next step would be to do Yanbing's original sequence with the patch
applied..

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