I made a mistake. Setting a audio device as preferred in Control panel -> Multimedia -> Phonon it preserves the preference.
** Changed in: linux (Ubuntu) Status: Incomplete => Invalid -- Setting USB Audio as primary sound device is a mess https://bugs.launchpad.net/bugs/668643 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