I just hit this problem after upgrading to Ubuntu 10.10. Volume slider wasn't working at all, even though sound output worked.
Turned out the 10.10 upgrade had installed pulseaudio. Purging it and rebooting fixed the problem.
I just hit this problem after upgrading to Ubuntu 10.10. Volume slider wasn't working at all, even though sound output worked.
Turned out the 10.10 upgrade had installed pulseaudio. Purging it and rebooting fixed the problem.