Bluetooth Dongle

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  • vishnu sure premium
    27. Januar 2023 at 19:49 #52618

    Hi All,

    I have installed a Bluetooth Dongle. Disabled onboard bluetooth, Rebooted the system but see the below error in bluetooth status.

    sudo service bluetooth status
    ● bluetooth.service – Bluetooth service
    Loaded: loaded (/lib/systemd/system/bluetooth.service; disabled; vendor preset: enabled)
    Active: active (running) since Fri 2023-01-27 18:36:10 CET; 8min ago
    Docs: man:bluetoothd(8)
    Main PID: 498 (bluetoothd)
    Status: „Running“
    Tasks: 1 (limit: 1942)
    CGroup: /system.slice/bluetooth.service
    └─498 /usr/lib/bluetooth/bluetoothd

    Jan 27 18:36:10 LivingRoom systemd[1]: Started Bluetooth service.
    Jan 27 18:36:10 LivingRoom bluetoothd[498]: Starting SDP server
    Jan 27 18:36:10 LivingRoom bluetoothd[498]: Bluetooth management interface 1.14 initialized
    Jan 27 18:36:10 LivingRoom bluetoothd[498]: Sap driver initialization failed.
    Jan 27 18:36:10 LivingRoom bluetoothd[498]: sap-server: Operation not permitted (1)
    Jan 27 18:36:11 LivingRoom bluetoothd[498]: Failed to set privacy: Rejected (0x0b)
    Jan 27 18:36:16 LivingRoom bluetoothd[498]: Endpoint registered: sender=:1.17 path=/A2DP/MPEG24/Source/1
    Jan 27 18:36:16 LivingRoom bluetoothd[498]: Endpoint registered: sender=:1.17 path=/A2DP/MPEG24/Sink/1
    Jan 27 18:36:16 LivingRoom bluetoothd[498]: Endpoint registered: sender=:1.17 path=/A2DP/SBC/Source/1
    Jan 27 18:36:16 LivingRoom bluetoothd[498]: Endpoint registered: sender=:1.17 path=/A2DP/SBC/Sink/1

    And yes when scanning it was not able to find any devices.
    This is the device i am using -> https://www.amazon.co.uk/TP-Link-Bluetooth-Multiple-Receiver-UB500/dp/B09C25VRXD

    EDIT – I have checked with TPLINK UB400 which seems to be working. Updated Realtex firmware but UB500 dongle starts sucessfully but no device is able to discover M2P. I am now using External Wifi adapter dongle with powered USB hub and onbaord bluetooth.

    • This topic was modified 1 year, 9 months ago by vishnu sure.
    MarioM Moderator
    31. Januar 2023 at 14:19 #52623

    Hi vishnu,

    Is the dongle compatible with Linux/Raspberry Pi and does it have a corresponding driver? If so, you may have to install the driver manually if it is not included in the Raspberry Pi kernel. The manufacturer of the dongle should help you with this.

    vishnu sure premium
    31. Januar 2023 at 16:13 #52629

    Thank you MarioM,

    Well UB500 dongle lists that it is only compatible with Windows and has a windows driver to download as it’s based on a Realtek chipset !

    However UB400 dingle from same vendor to lists it’s only compatible with windows and based on Cambridge silicon radio chipset ! It worked straight out of the box though on my M2P device !!!

    MarioM Moderator
    2. Februar 2023 at 14:58 #52636

    In this case, a driver that works with the UB400 is probably included in the kernel. It always depends on the dongle and the driver. If the UB500 does not work out-of-the-box, a suitable driver must be installed manually.

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