A verbose pulseaudio log may help: https://wiki.ubuntu.com/PulseAudio/Log
I've also seen sound stop working after distro upgrade because of issues with the user's pulse configuration files. Perhaps these commands will fix you: cd ~/; rm -r .pulse* pulseaudio -k -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1106334 Title: no sound after 12.10 upgrade, only "dummy output" appears To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1106334/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
