[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 #27 from Lakshmi <lakshminarayana.vudum at intel.com> ---
(In reply to Leho Kraav (:macmaN :lkraav) from comment #26)
> 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?
Thanks for the feedback from drmtip. Can you please attach the dmseg log from
boot with debug parameters? 
What is the impact of this issue as a user? How do you recover this situation?

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