[Bug 97985] [BDW] System hang while running Qt QML application, with unclaimed registers

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=97985

--- Comment #13 from yann <yann.argotti at intel.com> ---
(In reply to Anssi Hannula from comment #12)
> Created attachment 126976 [details]
> intel-drm-nightly 20160927 unclaimed read of 0x44404 with i915.enable_psr=0
> 
> No kernel messages at hang time, same as before.
> 
> Attached is also an unclaimed read of 0x44404 with "i915.enable_psr=0", it
> contains the same vblank-related backtrace as before without that parameter.

Please try with applying Chris' patch set
https://patchwork.freedesktop.org/series/13230/

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