I have never used Bluetooth device in Linux, until today.
Device ( a speaker ) paired, but would not connect.
( Disclaimer: I have a 6 year old ASUS motherboard )
Here are some terminal displays:
[me@localhost ~]$ systemctl status bluetooth
● bluetooth.service - Bluetooth service
Loaded: loaded (/usr/lib/systemd/system/bluetooth.service; enabled; vendor>
Active: active (running) since Wed 2020-07-08 08:53:29 CDT; 4h 28min ago
Docs: man:bluetoothd(8)
Main PID: 756 (bluetoothd)
Status: "Running"
Tasks: 1 (limit: 18759)
Memory: 2.7M
CPU: 192ms
CGroup: /system.slice/bluetooth.service
└─756 /usr/libexec/bluetooth/bluetoothd
Jul 08 08:53:28 localhost.localdomain systemd[1]: Starting Bluetooth service...
Jul 08 08:53:29 localhost.localdomain bluetoothd[756]: Bluetooth daemon 5.54
Jul 08 08:53:29 localhost.localdomain systemd[1]: Started Bluetooth service.
Jul 08 08:53:29 localhost.localdomain bluetoothd[756]: Starting SDP server
Jul 08 08:53:29 localhost.localdomain bluetoothd[756]: Bluetooth management int>
Jul 08 08:53:29 localhost.localdomain bluetoothd[756]: Failed to set mode: Bloc>
Jul 08 08:53:39 localhost.localdomain bluetoothd[756]: Failed to set mode: Bloc>
Jul 08 13:06:01 localhost.localdomain bluetoothd[756]: Endpoint registered: sen>
Jul 08 13:06:01 localhost.localdomain bluetoothd[756]: Endpoint registered: sen>
● bluetooth.service - Bluetooth service
Loaded: loaded (/usr/lib/systemd/system/bluetooth.service; enabled; vendor>
Active: active (running) since Wed 2020-07-08 08:53:29 CDT; 4h 28min ago
Docs: man:bluetoothd(8)
Main PID: 756 (bluetoothd)
Status: "Running"
Tasks: 1 (limit: 18759)
Memory: 2.7M
CPU: 192ms
CGroup: /system.slice/bluetooth.service
└─756 /usr/libexec/bluetooth/bluetoothd
Jul 08 08:53:28 localhost.localdomain systemd[1]: Starting Bluetooth service...
Jul 08 08:53:29 localhost.localdomain bluetoothd[756]: Bluetooth daemon 5.54
Jul 08 08:53:29 localhost.localdomain systemd[1]: Started Bluetooth service.
Jul 08 08:53:29 localhost.localdomain bluetoothd[756]: Starting SDP server
Jul 08 08:53:29 localhost.localdomain bluetoothd[756]: Bluetooth management int>
Jul 08 08:53:29 localhost.localdomain bluetoothd[756]: Failed to set mode: Bloc>
Jul 08 08:53:39 localhost.localdomain bluetoothd[756]: Failed to set mode: Bloc>
Jul 08 13:06:01 localhost.localdomain bluetoothd[756]: Endpoint registered: sen>
Jul 08 13:06:01 localhost.localdomain bluetoothd[756]: Endpoint registered: sen>
[me@localhost ~]$ bluetoothctl
Agent registered
Agent registered
[bluetooth]# show
Controller E0:B9:A5:F3:04:9C (public)
Name: localhost.localdomain
Alias: localhost.localdomain
Class: 0x001c0104
Powered: yes
Discoverable: yes
DiscoverableTimeout: 0x00000000
Pairable: yes
UUID: A/V Remote Control (0000110e-0000-1000-8000-00805f9b34fb)
UUID: Audio Source (0000110a-0000-1000-8000-00805f9b34fb)
UUID: PnP Information (00001200-0000-1000-8000-00805f9b34fb)
UUID: Headset AG (00001112-0000-1000-8000-00805f9b34fb)
UUID: Audio Sink (0000110b-0000-1000-8000-00805f9b34fb)
UUID: A/V Remote Control Target (0000110c-0000-1000-8000-00805f9b34fb)
UUID: Generic Access Profile (00001800-0000-1000-8000-00805f9b34fb)
UUID: Headset (00001108-0000-1000-8000-00805f9b34fb)
UUID: Generic Attribute Profile (00001801-0000-1000-8000-00805f9b34fb)
UUID: OBEX File Transfer (00001106-0000-1000-8000-00805f9b34fb)
UUID: Message Notification Se.. (00001133-0000-1000-8000-00805f9b34fb)
UUID: IrMC Sync (00001104-0000-1000-8000-00805f9b34fb)
UUID: Message Access Server (00001132-0000-1000-8000-00805f9b34fb)
UUID: OBEX Object Push (00001105-0000-1000-8000-00805f9b34fb)
UUID: Phonebook Access Server (0000112f-0000-1000-8000-00805f9b34fb)
Modalias: usb:v1D6Bp0246d0536
Discovering: yes
Advertising Features:
ActiveInstances: 0x00
SupportedInstances: 0x05
SupportedIncludes: tx-power
SupportedIncludes: appearance
SupportedIncludes: local-name
[CHG] Device 7C:B4:7F:21:F0:D1 RSSI: -61
[CHG] Device 7C:B4:7F:21:F0:D1 RSSI: -63
[CHG] Device 7C:B4:7F:21:F0:D1 RSSI: -70
Controller E0:B9:A5:F3:04:9C (public)
Name: localhost.localdomain
Alias: localhost.localdomain
Class: 0x001c0104
Powered: yes
Discoverable: yes
DiscoverableTimeout: 0x00000000
Pairable: yes
UUID: A/V Remote Control (0000110e-0000-1000-8000-00805f9b34fb)
UUID: Audio Source (0000110a-0000-1000-8000-00805f9b34fb)
UUID: PnP Information (00001200-0000-1000-8000-00805f9b34fb)
UUID: Headset AG (00001112-0000-1000-8000-00805f9b34fb)
UUID: Audio Sink (0000110b-0000-1000-8000-00805f9b34fb)
UUID: A/V Remote Control Target (0000110c-0000-1000-8000-00805f9b34fb)
UUID: Generic Access Profile (00001800-0000-1000-8000-00805f9b34fb)
UUID: Headset (00001108-0000-1000-8000-00805f9b34fb)
UUID: Generic Attribute Profile (00001801-0000-1000-8000-00805f9b34fb)
UUID: OBEX File Transfer (00001106-0000-1000-8000-00805f9b34fb)
UUID: Message Notification Se.. (00001133-0000-1000-8000-00805f9b34fb)
UUID: IrMC Sync (00001104-0000-1000-8000-00805f9b34fb)
UUID: Message Access Server (00001132-0000-1000-8000-00805f9b34fb)
UUID: OBEX Object Push (00001105-0000-1000-8000-00805f9b34fb)
UUID: Phonebook Access Server (0000112f-0000-1000-8000-00805f9b34fb)
Modalias: usb:v1D6Bp0246d0536
Discovering: yes
Advertising Features:
ActiveInstances: 0x00
SupportedInstances: 0x05
SupportedIncludes: tx-power
SupportedIncludes: appearance
SupportedIncludes: local-name
[CHG] Device 7C:B4:7F:21:F0:D1 RSSI: -61
[CHG] Device 7C:B4:7F:21:F0:D1 RSSI: -63
[CHG] Device 7C:B4:7F:21:F0:D1 RSSI: -70
David Locklear
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