[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 #11 from Anssi Hannula <anssi.hannula at bitwise.fi> ---
Created attachment 126971
  --> https://bugs.freedesktop.org/attachment.cgi?id=126971&action=edit
intel-drm-nightly 20160927 unclaimed write of 0x44324 with i915.enable_psr=0

First run with i915.enable_psr=0 resulted in the attached unclaimed write of
0x44324, very similar to before, and a hang shortly afterwards.

I did not have serial logging enabled on that run so I'm not 100% sure there
was no extra output at the time of the hang, but I'm running it a second time
now with logging again (and now I've already got the unclaimed write to 0x44324
again, and now waiting for the hang).

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