(In reply to JerryD from comment #426)
> I am on Ryzen 2500U Laptop, HP. I am using kernel 4.18.9-200.fc28.x86_64.
>
> The zenstates.py script fails when I try to disable C6. Oh well.
Did you load msr kernel module before (modprobe msr)?
Do you have the possibility to slightly overclock? Isn't there a Bios switch like "Typical Current Idle"? Is there a possibility to switch of C-states completely in the Bios (just for testing to be sure your hangs are the same reason as here)?
(In reply to JerryD from comment #426) 200.fc28. x86_64.
> I am on Ryzen 2500U Laptop, HP. I am using kernel 4.18.9-
>
> The zenstates.py script fails when I try to disable C6. Oh well.
Did you load msr kernel module before (modprobe msr)?
Do you have the possibility to slightly overclock? Isn't there a Bios switch like "Typical Current Idle"? Is there a possibility to switch of C-states completely in the Bios (just for testing to be sure your hangs are the same reason as here)?