New comment by mvf on void-packages repository https://github.com/void-linux/void-packages/issues/34596#issuecomment-997213388 Comment: Works for me on `firefox-95.0.1_1` (glibc). You could try something like this: ``` $ strace -f -e open,openat firefox 2>&1 | grep /dev/snd ``` Might tell you what goes wrong when trying to open the ALSA device(s).