[Bug 110674] Crashes / Resets From AMDGPU / Radeon VII

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=110674

--- Comment #64 from Tom B <tom at r.je> ---
Scratch that, I just rebooted with HDMI+DP and it froze as soon as SDDM
started. I was eventually able to switch TTY and the voltages looked correct
(it was boosted down) but I was never able to log in to KDE as SDDM was frozen.
Restarting sddm allowed me to enter my password but it froze as soon as I
logged in. Not that HDMI is an optimal solution anyway as I get the flickering,
and I've tried 3 different cables. 

Back to 5.0.13 which works mostly fine. I do get a crash very occasionally, the
machine will appear to wake up from sleep with a black screen and a cursor.
Very rare, once a week or so and only when sleep/resume cycle has been run
multiple times.

Peter Hercek mentioned virtual machines, as such I tried with iommu enabled and
disabled in the bios, it didn't make any difference but thought it was worth
reporting to save others time trying it.

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