Hi, Adam Bolte <abo...@systemsaviour.com> skribis:
> I have a machine that always overheats running GuixSD, and I would > like the fans to constantly run at maximum until I can find a better > solution. > > The kernel module that enables fan control is thinkpad_acpi (which is > always loaded automatically), howerver manual fan control only works > if I set the module fan_control=1 argument when it loads. So I'm > looking for the equivalent of /etc/modprobe.d/ on Debian. > > The module creates /proc/acpi/ibm/fan, which I can then write to (if > fan_control=1 was set) with the appropriate fan speed. I want to run > the equivalent of the following on boot: > > # echo level full-speed > /proc/acpi/ibm/fan > > In Debian this can be done by dropping the configuration into > /etc/sysctl.d/. > > Is there a way to edit my config.scm file to make the above changes? Not really. Looking at libkmod, it seems that /run/modprobe.d is automatically scanned, like /etc/modprobe.d on Debian. Could you try writing the following in /run/modprobe.d/fan.conf: --8<---------------cut here---------------start------------->8--- options thinkpad_acpi fan_control=1 --8<---------------cut here---------------end--------------->8--- and then rebooting? If everything goes well, this .conf file will be taken into account when udev asks to load ‘thinkpad_acpi’. Eventually we should provide a way to specify /run/modprobe.d entries via the ‘operating-system’ config, though. HTH! Ludo’.
