I had the same problem when upgrading from 14.04 -> 14.10 and then again from 14.10 -> 15.04. My solution -which I found somewhere in the web- was the same both times: Simply delete(!) /etc/bluetooth/audio.conf (or rename it) and restart the bluetooth service. At least this worked for me.
-- 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), 13.10 (saucy), and 14.04 (trusty) To manage notifications about this bug go to: https://bugs.launchpad.net/bluez/+bug/1181106/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs