Hi,

This is OT, because not Fedora, but Kernel specific. It might however ring some bells...

I am using an X1 Carbon 9th generation with Fedora 44. It is a known problem, that the embedded controller and the kernel acpi modules of kernel 7.* have a conflict which results in false rpms on fan 1 (65535) and ultimately lets both fans to work with max. rpm, even if the cpu deep freezes.

My solution was (after days of tinkering with acpi fan control, watchdog, thinkfan, etc., to pull the 6.17.1 Kernel of f43, set it default and prevent dnf to do anything with it. Sensors is now delivering correct values.

Did anyone else have this problem? Did anyone else succeed to solve it by staying with kernel 7.1? An official patch should come in August and make it into kernel 7.2 or so, but till than my fans would be twice around the world...

Thanks and regards
Tibor


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