[Bug 111500] [CFL] Latitude 7400 2-in-1: intermittent screen freezes (i915)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=111500

--- Comment #26 from Leho Kraav (:macmaN :lkraav) <leho at kraav.com> ---
I just got the same freeze on drm-tip (* d45d78ff950b - drm-tip:
2019y-09m-08d-15h-18m-05s UTC integration manifest (21 hours ago) <Chris
Wilson>) by just moving the mouse around in a Firefox window.

Since I rebooted after my last message here, this freeze only took 2h 45min
into the session.

Similar process freeze as earlier:

$ [-] cat ps-aux-grep-D.txt 
root        40  0.0  0.0      0     0 ?        D    11:46   0:01 [kcompactd0]
root     18220  0.0  0.0      0     0 ?        D    13:45   0:00
[kworker/u8:9+i915]

I'm going to boot 4.19.71 next.

Lakshmi, any next step ideas from your end? Should I enabled CONFIG_EXPERT and
CONFIG_I915_DEBUG family perhaps?

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