私はLinuxカーネルv4.4.0-148とbluez v5.36を使用しています。
BluetoothヘッドセットMuse "M-260 BT"とペアリングまたは接続できませんbluetoothctl。
$ bluetoothctl
[NEW] Controller 34:E6:AD:A1:9B:8A seb-C70D-B-311 [default]
[bluetooth]# power on
[CHG] Controller 34:E6:AD:A1:9B:8A Class: 0x00010c
Changing power on succeeded
[CHG] Controller 34:E6:AD:A1:9B:8A Powered: yes
[bluetooth]# scan on
Discovery started
[CHG] Controller 34:E6:AD:A1:9B:8A Discovering: yes
[NEW] Device 00:13:09:01:19:61 M-260 BT
[bluetooth]# scan off
[CHG] Device 00:13:09:01:19:61 RSSI is nil
[CHG] Controller 34:E6:AD:A1:9B:8A Discovering: no
Discovery stopped
[bluetooth]# pair 00:13:09:01:19:61
Attempting to pair with 00:13:09:01:19:61
[CHG] Device 00:13:09:01:19:61 Connected: yes
[CHG] Device 00:13:09:01:19:61 Connected: no
[CHG] Device 00:13:09:01:19:61 UUIDs: 00001108-0000-1000-8000-00805f9b34fb
[CHG] Device 00:13:09:01:19:61 UUIDs: 0000110b-0000-1000-8000-00805f9b34fb
[CHG] Device 00:13:09:01:19:61 UUIDs: 0000110c-0000-1000-8000-00805f9b34fb
[CHG] Device 00:13:09:01:19:61 UUIDs: 0000110e-0000-1000-8000-00805f9b34fb
[CHG] Device 00:13:09:01:19:61 UUIDs: 0000111e-0000-1000-8000-00805f9b34fb
[CHG] Device 00:13:09:01:19:61 Paired: yes
Pairing successful
[CHG] Device 00:13:09:01:19:61 Connected: no
[bluetooth]# paired-devices
Device 00:13:09:01:19:61 M-260 BT
[bluetooth]# connect 00:13:09:01:19:61
Attempting to connect to 00:13:09:01:19:61
Failed to connect: org.bluez.Error.Failed
[bluetooth]# quit
[DEL] Controller 34:E6:AD:A1:9B:8A seb-C70D-B-311 [default]
Bluetoothサービスが実行されています：
$ sudo initctl status bluetooth
bluetooth start/spawned, process 1628
ただし、システムログにはパッケージがインストールされているbluetoothd[1628]: a2dp-sink profile connect failed for 00:13:09:01:19:61: Protocol not availableにもかかわらず、次のものが表示されます。pulseaudio-module-bluetooth
$ grep bluetoothd /var/log/syslog | tail -5
Jun 30 17:25:31 seb-C70D-B-311 bluetoothd[1628]: Failed to obtain handles for "Service Changed" characteristic
Jun 30 17:53:44 seb-C70D-B-311 bluetoothd[1628]: a2dp-sink profile connect failed for 00:13:09:01:19:61: Protocol not available
Jun 30 17:53:52 seb-C70D-B-311 bluetoothd[1628]: a2dp-sink profile connect failed for 00:13:09:01:19:61: Protocol not available
Jun 30 18:01:57 seb-C70D-B-311 bluetoothd[1628]: Failed to confirm name for hci0: Failed (0x03)
Jun 30 18:08:20 seb-C70D-B-311 bluetoothd[1628]: a2dp-sink profile connect failed for 00:13:09:01:19:61: Protocol not available
$ dpkg -l pulseaudio-module-bluetooth
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name Version Architecture Description
+++-===============================-====================-====================-===================================================================
ii pulseaudio-module-bluetooth 1:4.0-0ubuntu11 amd64 Bluetooth module for PulseAudio sound server
EDIT0：module-bluetooth-discoverロードされていないと判断され、ロードしようとしましたが失敗しました。
$ pactl list modules short | grep module-bluetooth-discover
$ pactl load-module module-bluetooth-discover
Failure: Module initialization failed
助けてください？
ベストアンサー1
私は私のpbを解決しました。アップデートpulseaudio-module-bluetoothパッケージを通じてランチパッドPPA: Tigerite/bluez5 PPA:
$ wget -nv https://launchpad.net/~tigerite/+archive/ubuntu/bluez5/+files/pulseaudio-module-bluetooth_6.0-0ubuntu6ppa4_amd64.deb
2020-08-30 00:23:20 URL:https://launchpad.net/~tigerite/+archive/ubuntu/bluez5/+files/pulseaudio-module-bluetooth_6.0-0ubuntu6ppa4_amd64.deb [112370/112370] -> "pulseaudio-module-bluetooth_6.0-0ubuntu6ppa4_amd64.deb" [1]
$ sudo gdebi -n pulseaudio-module-bluetooth_6.0-0ubuntu6ppa4_amd64.deb
Reading package lists... Done
Building dependency tree
Reading state information... Done
Building data structures... Done
Building data structures... Done
(Reading database ... 588813 files and directories currently installed.)
Preparing to unpack pulseaudio-module-bluetooth_6.0-0ubuntu6ppa4_amd64.deb ...
Unpacking pulseaudio-module-bluetooth (1:6.0-0ubuntu6ppa4) over (1:4.0-0ubuntu11) ...
Setting up pulseaudio-module-bluetooth (1:6.0-0ubuntu6ppa4) ...
$ pactl load-module module-bluetooth-discover
39
$ pactl list modules short | grep module-bluetooth
38 module-bluetooth-policy
39 module-bluetooth-discover
これでうまくいきます。
$ bluetoothctl
[NEW] Controller 34:E6:AD:A1:9B:8A seb-C70D-B-311 [default]
[NEW] Device 00:13:09:01:19:61 M-260 BT
[bluetooth]# connect 00:13:09:01:19:61
Attempting to connect to 00:13:09:01:19:61
[CHG] Device 00:13:09:01:19:61 Connected: yes
Connection successful
[M-260 BT]#