I had the same problem since I upgraded to 13.04. I managed to get Bluetooth A2DP audio working again by _removing_ "Enable=Socket" from /etc/bluetooth/audio.conf. It just reads "Enable=" now.
https://mailman.archlinux.org/pipermail/arch- general/2012-December/032496.html -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1181106 Title: Failed to change profile to A2DP in 13.04 (Raring) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1181106/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs