aditya@aditya-HP-15-Notebook-PC:~$ systemctl status bluetooth
● bluetooth.service - Bluetooth service
Loaded: loaded (/lib/systemd/system/bluetooth.service; enabled; vendor preset
Active: active (running) since Sun 2020-03-01 06:04:13 EST; 15min ago
Docs: man:bluetoothd(8)
Main PID: 4456 (bluetoothd)
Status: "Running"
Tasks: 1 (limit: 4915)
CGroup: /system.slice/bluetooth.service
└─4456 /usr/lib/bluetooth/bluetoothd
Mar 01 06:04:13 aditya-HP-15-Notebook-PC systemd[1]: Stopping Bluetooth service.
Mar 01 06:04:13 aditya-HP-15-Notebook-PC systemd[1]: Stopped Bluetooth service.
Mar 01 06:04:13 aditya-HP-15-Notebook-PC systemd[1]: Starting Bluetooth service.
Mar 01 06:04:13 aditya-HP-15-Notebook-PC systemd[1]: Started Bluetooth service.
Mar 01 06:04:13 aditya-HP-15-Notebook-PC bluetoothd[4456]: Bluetooth daemon 5.48
Mar 01 06:04:13 aditya-HP-15-Notebook-PC bluetoothd[4456]: Starting SDP server
Mar 01 06:04:13 aditya-HP-15-Notebook-PC bluetoothd[4456]: Bluetooth management
我的蓝牙处于活动状态，但我在 rfkill 列表中找不到蓝牙 >>
aditya@aditya-HP-15-Notebook-PC:~$ rfkill list
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
aditya@aditya-HP-15-Notebook-PC:~$ ^C
aditya@aditya-HP-15-Notebook-PC:~$ sudo bluetoothctl
Agent registered
[bluetooth]# power on
No default controller available
[bluetooth]#
为什么没有可用的默认控制器