ROCK 5B+: Fan not working

[incognito]

Please read this:

Guide on how to customize you pwm fan curve

Now the new kernel has used pwm-fan kernel driver to deal with the fan control, so the old pwm fan scripts won’t work. Here is a guide on how to customize your onw pwm fan curve since different cases/environment/fans need different fan curve. I will take armbian’s kernel as example because I use armbian as my daily use os. But it will be similar if you’re using official radxa’s kernel, radxa’s kernel uses different cooling levels. If you take a look at the devicetree of rock5b, there is a node…

Or also this:

[Guide] How to make the Rock 5b fan work properly - Joshua Riek's Ubuntu 24.04

It seems something changed again and we are even more limited in the speeds that don’t cause coil whine. Only 123, 158 and 230 and above are usable. Here is my current overlay: /dts-v1/; /plugin/; / { fragment@0 { target = <&fan0>; __overlay__ { cooling-levels = <158 158 158 158 158 158 158 158 230>; }; }; }; If you want to find the speeds that work for you, use these commands: echo user_space | sudo tee …