I had the same problem on my thinkpad. I was able to solve this just by killing the pulse audio process using the System Monitor. I also unchecked PulseAudio in the Preferences-->Sessions dialog box to make sure it didn't come back on reboot.
-- Intrepid Ibex - Lost sound after dist-upgrade https://bugs.launchpad.net/bugs/245946 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