On Tuesday, June 30, 2015 11:44:55 AM Pavel Machek wrote:

Hi!

quoted

quoted

And this all reminded me of https://lkml.org/lkml/2015/3/18/133 . So I
think that's another system not covered by commit ab3be73fa7b4
("drm/i915: gen4: work around hang during hibernation").

Yes, another system broken by

commit da2bc1b9db3351addd293e5b82757efe1f77ed1d
Author: Imre Deak [off-list ref]
Date:   Thu Oct 23 19:23:26 2014 +0300

Imre, your patch already broken 3 machines, and now we discovered it
breakes another. Can you please revert it before it causes more
damage?

It looks like Imre has just sent a fix for that.  Can you please test that one?

Rafael