HOWTO
- https://unix.stackexchange.com/questions/736933/what-is-the-bluetooth-controllermode-in-etc-bluetooth-main-conf-what-is-bredr
[dave@fedora ~]$ grep ControllerMode /etc/bluetooth/main.conf
ControllerMode = bredr
sudo systemctl status bluetooth
[sudo] password for dave:
● bluetooth.service - Bluetooth service
Loaded: loaded (/usr/lib/systemd/system/bluetooth.service; enabled; preset: enabled)
Active: active (running) since Thu 2023-09-07 17:17:56 CEST; 5h 46min ago
Docs: man:bluetoothd(8)
Main PID: 886 (bluetoothd)
Status: "Running"
Tasks: 1 (limit: 18758)
Memory: 2.6M
CPU: 108ms
CGroup: /system.slice/bluetooth.service
└─886 /usr/libexec/bluetooth/bluetoothd
Sep 07 22:11:14 fedora bluetoothd[886]: Endpoint registered: sender=:1.430 path=/MediaEndpoint/A2DPSink/sbc_xq
Sep 07 22:11:14 fedora bluetoothd[886]: Endpoint registered: sender=:1.430 path=/MediaEndpoint/A2DPSource/sbc_xq
Sep 07 22:11:14 fedora bluetoothd[886]: Endpoint registered: sender=:1.430 path=/MediaEndpoint/A2DPSource/faststream
Sep 07 22:11:14 fedora bluetoothd[886]: Endpoint registered: sender=:1.430 path=/MediaEndpoint/A2DPSource/faststream_duplex
Sep 07 22:11:14 fedora bluetoothd[886]: Endpoint registered: sender=:1.430 path=/MediaEndpoint/A2DPSink/opus_05
Sep 07 22:11:14 fedora bluetoothd[886]: Endpoint registered: sender=:1.430 path=/MediaEndpoint/A2DPSource/opus_05
Sep 07 22:11:14 fedora bluetoothd[886]: Endpoint registered: sender=:1.430 path=/MediaEndpoint/A2DPSink/opus_05_duplex
Sep 07 22:11:14 fedora bluetoothd[886]: Endpoint registered: sender=:1.430 path=/MediaEndpoint/A2DPSource/opus_05_duplex
Sep 07 22:11:35 fedora bluetoothd[886]: /org/bluez/hci0/dev_C4_30_18_9C_D4_49/sep3/fd1: fd(31) ready
Sep 07 22:11:57 fedora bluetoothd[886]: profiles/audio/avctp.c:avctp_connect_cb() connect to C4:30:18:9C:D4:49: Connection refused