最近 Bluetooth ドングルを購入したのですが、Ubuntu では有効化されないようです。このフォーラムのスレッドをいくつか試してみましたが、うまくいきませんでした。いくつかの便利なコマンドの出力を以下に示します。
~$ blueman-manager
(blueman-manager:11660): Gtk-WARNING **: 23:19:20.240: Theme parsing error: gtk.css:6342:10: 'height' is not a valid property name
blueman-manager version 2.1.2 starting
blueman-manager 23.19.20 ERROR Manager:118 on_dbus_name_appeared: Default adapter not found, trying first available.
blueman-manager 23.19.20 ERROR Manager:122 on_dbus_name_appeared: No adapter(s) found, exiting
~$ rfkill list
2: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
~$ bluetoothctl
Agent registered
[bluetooth]# scan on
No default controller available
[bluetooth]# power on
No default controller available
[bluetooth]#
● bluetooth.service - Bluetooth service
Loaded: loaded (/lib/systemd/system/bluetooth.service; enabled; vendor preset: enabled)
Active: active (running) since Tue 2021-03-16 19:23:58 -03; 3h 59min ago
Docs: man:bluetoothd(8)
Main PID: 6926 (bluetoothd)
Status: "Running"
Tasks: 1 (limit: 9415)
Memory: 1.1M
CGroup: /system.slice/bluetooth.service
└─6926 /usr/lib/bluetooth/bluetoothd
mar 16 19:23:58 user systemd[1]: Starting Bluetooth service...
mar 16 19:23:58 user bluetoothd[6926]: Bluetooth daemon 5.53
mar 16 19:23:58 user bluetoothd[6926]: Starting SDP server
mar 16 19:23:58 user systemd[1]: Started Bluetooth service.
mar 16 19:23:58 user bluetoothd[6926]: Bluetooth management interface 1.17 initialized
何か案は？