This may be of help. http://askubuntu.com/questions/118675/mute-key- mutes-alsa-and-pulseaudio-but-unmutes-only-alsa
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/878986 Title: amixer -q sset Master toggle does mute, but does not unmute! To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/878986/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs