Comment 15 for bug 557421

Switching to a new user solves the problem on my system. With the PPA or straight from the live beta2.

--Output from "apt-cache policy pulseaudio"
pulseaudio:
  Installed: 1:0.9.22~0.9.21+stable-queue-32-g8478-0ubuntu15~~lucid~ubuntuaudiodev2
  Candidate: 1:0.9.22~0.9.21+stable-queue-32-g8478-0ubuntu15~~lucid~ubuntuaudiodev2
  Version table:
 *** 1:0.9.22~0.9.21+stable-queue-32-g8478-0ubuntu15~~lucid~ubuntuaudiodev2 0
        500 http://ppa.launchpad.net/ubuntu-audio-dev/ppa/ubuntu/ lucid/main Packages
        100 /var/lib/dpkg/status
     1:0.9.22~0.9.21+stable-queue-32-g8478-0ubuntu14 0
        500 http://archive.ubuntu.com/ubuntu/ lucid/main Packages