Hi Piotr, On Sun, Jul 7, 2024 at 9:32 PM Piotr Oniszczuk <piotr.oniszczuk@xxxxxxxxx> wrote: > > Heiko, Alexey, > > After some more tests: is varying fan-speeds working stable for you? Yes, in my testing on Rock 5B it's been stable. > In my case - 1 per few reboots results with board enters state with: constant full speed and no any reaction for cpu temp. > In such state - I need multiple hw poweroffs (remove usb-c plug) to get fan-speeds working again. > When board is such state - all seems to work ok (frequency scaling, etc) except fan is constantly full speed… One thought: could you please check which thermal governor gets loaded? I used stepwise in my testing. Best regards, Alexey
