Okay, the following workaround works for me: install gnome-alsamixer uncheck the mute box on the second "speaker" I don't know why it would have been muted in the first place.
-- no sound from headphones in macbook core 2 duo (2nd gen) https://bugs.launchpad.net/bugs/201957 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
