I put Ubuntu 18.04-2 on a USB driver and booted up. I got slightly different behavior:
1. When I first paired the headphones with my laptop the audio profile was High Fidelity Playback (A2DP Sink) and everything sounded good. 2. When I turned off the headphones, waited for the Bluetooth devices window to say the headphones had been disconnected and then powered the headphones back on and waited for them to auto-connect the audio profile was Headset Head Unit (HSP/HFP) and all sound was in mono. 3. If I disconnected the headphones using the Bluetooth devices window and then reconnected the headphones using the Bluetooth devices window the audio profile was High Fidelity Playback (A2DP Sink) and the sound was in stereo. I removed blueman from my Mint system and still experience the original issue. Here's what I have installed on my Mint system: $ apt list --installed | grep blue WARNING: apt does not have a stable CLI interface. Use with caution in scripts. blueberry/tara,tara,now 1.2.3 all [installed] bluetooth/bionic-updates,bionic-updates,now 5.48-0ubuntu3.1 all [installed] bluez/bionic-updates,now 5.48-0ubuntu3.1 amd64 [installed] bluez-cups/bionic-updates,now 5.48-0ubuntu3.1 amd64 [installed] bluez-obexd/bionic-updates,now 5.48-0ubuntu3.1 amd64 [installed] bluez-tools/bionic,now 0.2.0~20140808-5build1 amd64 [installed] gir1.2-gnomebluetooth-1.0/bionic-updates,bionic-security,now 3.28.0-2ubuntu0.1 amd64 [installed] gnome-bluetooth/bionic-updates,bionic-security,now 3.28.0-2ubuntu0.1 amd64 [installed] libbluetooth3/bionic-updates,now 5.48-0ubuntu3.1 amd64 [installed] libgnome-bluetooth13/bionic-updates,bionic-security,now 3.28.0-2ubuntu0.1 amd64 [installed] pulseaudio-module-bluetooth/bionic-updates,now 1:11.1-1ubuntu7.1 amd64 [installed] -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to pulseaudio in Ubuntu. https://bugs.launchpad.net/bugs/1814801 Title: Sony bluetooth headphones don't connect with correct audio profile Status in pulseaudio package in Ubuntu: Incomplete Bug description: I have connected my Sony bluetooth headphones (WH-H900N (h.ear)) to my Linux Mint 19 Tara system. After the initial connection when I disconnect the headphones and reconnect them later on when I view the headphones with the blueman-applet and look at the Audio Profile it shows Off. If I try to play audio I get no sound in the headphones. If I select High Fidelity Playback (A2DP Sink) most of the time audio will play through the headphones. (Occasionally, the first time I select High Fidelity Playback it doesn't stick and I have to pick it again.) $ lsb_release -rd Description: Linux Mint 19 Tara Release: 19 $ apt-cache policy bluez bluez: Installed: 5.48-0ubuntu3.1 Candidate: 5.48-0ubuntu3.1 Version table: *** 5.48-0ubuntu3.1 500 500 http://pubmirrors.dal.corespace.com/ubuntu bionic-updates/main amd64 Packages 100 /var/lib/dpkg/status 5.48-0ubuntu3 500 500 http://pubmirrors.dal.corespace.com/ubuntu bionic/main amd64 Packages $ apt-cache policy blueman blueman: Installed: 2.0.5-1ubuntu1 Candidate: 2.0.5-1ubuntu1 Version table: *** 2.0.5-1ubuntu1 500 500 http://pubmirrors.dal.corespace.com/ubuntu bionic/universe amd64 Packages 100 /var/lib/dpkg/status Feb 5 11:26:52 jbodnar pulseaudio[2226]: [pulseaudio] module-bluez5-device.c: Profile a2dp_sink has no transport Feb 5 11:27:14 jbodnar pulseaudio[2226]: [pulseaudio] module-bluez5-device.c: Refused to switch profile to a2dp_sink: Not connected Feb 5 11:27:22 jbodnar pulseaudio[2226]: [pulseaudio] module-bluez5-device.c: Refused to switch profile to a2dp_sink: Not connected Feb 5 11:27:25 jbodnar org.blueman.Applet[2086]: blueman-manager version 2.0.5 starting Feb 5 11:27:25 jbodnar org.blueman.Applet[2086]: card Feb 5 11:27:25 jbodnar org.blueman.Applet[2086]: change Feb 5 11:27:25 jbodnar org.blueman.Applet[2086]: card Feb 5 11:27:25 jbodnar org.blueman.Applet[2086]: change Feb 5 11:27:25 jbodnar org.blueman.Applet[2086]: card Feb 5 11:27:25 jbodnar org.blueman.Applet[2086]: remove Feb 5 11:27:25 jbodnar org.blueman.Applet[2086]: card Feb 5 11:27:25 jbodnar org.blueman.Applet[2086]: add Feb 5 11:27:31 jbodnar blueman-applet[25681]: gdk_window_get_origin: assertion 'GDK_IS_WINDOW (window)' failed Feb 5 11:27:31 jbodnar kernel: [1121873.865918] input: 70:26:05:87:D1:64 as /devices/virtual/input/input44 Feb 5 11:27:44 jbodnar bluetoothd[889]: /org/bluez/hci0/dev_70_26_05_87_D1_64/fd15: fd(37) ready Feb 5 11:27:44 jbodnar rtkit-daemon[2229]: Supervising 3 threads of 1 processes of 1 users. Feb 5 11:27:44 jbodnar rtkit-daemon[2229]: Successfully made thread 1443 of process 2226 (n/a) owned by '1000' RT at priority 5. Feb 5 11:27:44 jbodnar rtkit-daemon[2229]: Supervising 4 threads of 1 processes of 1 users. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1814801/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
