I'm not sure if this helps, but I see pulseaudio logging an "Operation Not Authorized" message when things do not work:
Apr 26 01:46:52 zenbook pulseaudio[3346]: [pulseaudio] module-bluez5-device.c: Acquiring transport /org/bluez/hci0/dev_20_74_CF_02_DB_F2/fd0 Apr 26 01:46:52 zenbook pulseaudio[3346]: [pulseaudio] bluez5-util.c: Transport TryAcquire() failed for transport /org/bluez/hci0/dev_20_74_CF_02_DB_F2/fd0 (Operation Not Authorized) Whereas after doing the switch-to-HSP, disconnect, reconnect, switch-to- A2DP dance to make it work, the equivalent logging is: Apr 26 01:52:40 zenbook pulseaudio[3346]: [pulseaudio] module-bluez5-device.c: Acquiring transport /org/bluez/hci0/dev_20_74_CF_02_DB_F2/fd2 Apr 26 01:52:40 zenbook bluetoothd[808]: /org/bluez/hci0/dev_20_74_CF_02_DB_F2/fd2: fd(23) ready Apr 26 01:52:40 zenbook pulseaudio[3346]: [pulseaudio] module-bluez5-device.c: Transport /org/bluez/hci0/dev_20_74_CF_02_DB_F2/fd2 acquired: fd 46 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1438510 Title: [REGRESSION] bluetooth headset no longer supports a2dp To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bluez/+bug/1438510/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
