Public bug report changed: https://launchpad.net/malone/bugs/30571 Comment: 1) Here is lsmod output on my powerbook G4 (last G4 model) : snd_powermac snd_pcm_oss snd_mixer_oss snd_pcm snd_timer snd soundcore snd_page_alloc 2) /dev/snd and /dev/dsp both exist 3) I toggles differents volume control in ALSAmixer without success.