[Bug 199139] System freezes (kernel, amdgpu NULL pointer dereference) when video enters powersafe state

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=199139

--- Comment #22 from mistarzy at gmail.com ---
I got rid of the issue by clean installation of Xubuntu 18.04.1 with 4.15. Same
kernel on old installation (xubuntu being upgraded over the years from 15.04 to
18.04.1) that I mentioned on 2018-09-14 still has issues. I was trying to find
source of the issue but I do not believe that was kernel related. Since on
fresh installation everything works fine. Also when switched to mainline
https://kernel.ubuntu.com/~kernel-ppa/mainline/v4.20/ no issues found. My
skills are limited but would guess is how system is handling amdgpu driver. If
you would like me to test something I have both installations available - with
and without drm issue.

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