Arch linux multimedia keys not working on framework keyboard

[MJ1]

Did everything work before you made changes to the keymap?

You could save your current keymap, then load the default keymap to see if that fixes it. You’ll find Save Current Layout in the SAVE + LOAD section, floppy disk icon on the lower left.

Here are the Via save files for the default keymaps https://litter.catbox.moe/ytsyw1.zip

Also see here for issues that could be affecting you, and fixes

Fn Key / Media Keys Broken in Arch

This is known old issue which has been resolved in recent kernels. Could be regression that only trigger in certain odd circumstances? Regardless, workaround should still be the same as before. Create the following file in arch and reboot. /etc/modprobe.d/framework-als-deactivate.conf blacklist hid_sensor_hub