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Thread: Ubuntu 22.04 Bluetooth adapter can't find any bluetooth devices.

  1. #1
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    Ubuntu 22.04 Bluetooth adapter can't find any bluetooth devices.

    Hello there! I am using Ubuntu 22.04 LTS on Asus Vivobook15 M1502IA, model of bluetooth adapter is rtl8852be. I have already tried things like downloading and installing drivers for my bluetooth model, but it still doesn't see any devices. If u need additional information I can post it here.

  2. #2
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    Re: Ubuntu 22.04 Bluetooth adapter can't find any bluetooth devices.

    Post results from terminal for
    Code:
    uname -r; lsusb; sudo dmesg | egrep -i 'blue|firm'

  3. #3
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    Re: Ubuntu 22.04 Bluetooth adapter can't find any bluetooth devices.

    Code:
    5.19.0-46-generic
    
    Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
    Bus 003 Device 003: ID 3277:0029 Shine-optics USB2.0 HD UVC WebCam
    Bus 003 Device 002: ID 13d3:3571 IMC Networks Bluetooth Radio
    Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
    Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    
    [    0.114536] Spectre V2 : Enabling Speculation Barrier for firmware calls
    [    0.293475] ACPI: [Firmware Bug]: BIOS _OSI(Linux) query ignored
    [    0.304136] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-7f] only partially covers this bridge
    [    1.500801] usb 3-2: Product: Bluetooth Radio
    [    2.564422] Bluetooth: Core ver 2.22
    [    2.564441] NET: Registered PF_BLUETOOTH protocol family
    [    2.564442] Bluetooth: HCI device and connection manager initialized
    [    2.564445] Bluetooth: HCI socket layer initialized
    [    2.564447] Bluetooth: L2CAP socket layer initialized
    [    2.564450] Bluetooth: SCO socket layer initialized
    [    2.694476] rtw89_8852be 0000:02:00.0: Direct firmware load for rtw89/rtw8852b_fw-1.bin failed with error -2
    [    2.694779] rtw89_8852be 0000:02:00.0: loaded firmware rtw89/rtw8852b_fw.bin
    [    2.697286] rtw89_8852be 0000:02:00.0: Firmware version 0.27.32.1, cmd version 0, type 1
    [    2.697293] rtw89_8852be 0000:02:00.0: Firmware version 0.27.32.1, cmd version 0, type 3
    [    2.827805] Bluetooth: hci0: Failed to read codec capabilities (-22)
    [    3.923434] [drm] Loading DMUB firmware via PSP: version=0x0101001F
    [    3.929548] [drm] Found VCN firmware Version ENC: 1.16 DEC: 5 VEP: 0 Revision: 3
    [    3.929603] amdgpu 0000:04:00.0: amdgpu: Will use PSP to load VCN firmware
    [    3.956715] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
    [    3.956723] Bluetooth: BNEP filters: protocol multicast
    [    3.956730] Bluetooth: BNEP socket layer initialized
    [    4.001860] Bluetooth: RFCOMM TTY layer initialized
    [    4.001881] Bluetooth: RFCOMM socket layer initialized
    [    4.001888] Bluetooth: RFCOMM ver 1.11
    Last edited by jeremy31; July 9th, 2023 at 09:39 PM.

  4. #4
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    Re: Ubuntu 22.04 Bluetooth adapter can't find any bluetooth devices.

    Secure Boot needs to be disabled, check in terminal
    Code:
    mokutil --sb
    Then
    Code:
    sudo apt install git dkms
    git clone https://github.com/jeremyb31/bluetooth-5.19.git
    sudo dkms add ./bluetooth-5.19
    sudo dkms install btusb/4.0
    Reboot

  5. #5
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    Re: Ubuntu 22.04 Bluetooth adapter can't find any bluetooth devices.

    I can not turn on the bluetooth now.

    Code:
    [    0.110572] Spectre V2 : Enabling Speculation Barrier for firmware calls
    [    0.284694] ACPI: [Firmware Bug]: BIOS _OSI(Linux) query ignored
    [    0.293440] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-7f] only partially covers this bridge
    [    1.504157] usb 3-2: Product: Bluetooth Radio
    [    2.370815] Bluetooth: Core ver 2.22
    [    2.370852] NET: Registered PF_BLUETOOTH protocol family
    [    2.370853] Bluetooth: HCI device and connection manager initialized
    [    2.370860] Bluetooth: HCI socket layer initialized
    [    2.370863] Bluetooth: L2CAP socket layer initialized
    [    2.370867] Bluetooth: SCO socket layer initialized
    [    2.669949] rtw89_8852be 0000:02:00.0: Direct firmware load for rtw89/rtw8852b_fw-1.bin failed with error -2
    [    2.673211] rtw89_8852be 0000:02:00.0: loaded firmware rtw89/rtw8852b_fw.bin
    [    2.677866] rtw89_8852be 0000:02:00.0: Firmware version 0.27.32.1, cmd version 0, type 1
    [    2.677878] rtw89_8852be 0000:02:00.0: Firmware version 0.27.32.1, cmd version 0, type 3
    [    3.817353] [drm] Loading DMUB firmware via PSP: version=0x0101001F
    [    3.819567] [drm] Found VCN firmware Version ENC: 1.16 DEC: 5 VEP: 0 Revision: 3
    [    3.819576] amdgpu 0000:04:00.0: amdgpu: Will use PSP to load VCN firmware
    [    5.410610] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
    [    5.410615] Bluetooth: BNEP filters: protocol multicast
    [    5.410619] Bluetooth: BNEP socket layer initialized
    Last edited by jeremy31; July 9th, 2023 at 09:40 PM.

  6. #6
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    Re: Ubuntu 22.04 Bluetooth adapter can't find any bluetooth devices.

    Code:
    sudo dkms uninstall btusb/4.0
    sudo dkms remove btusb/4.0 --all
    Reboot
    I did find some posts on archlinux that claims this device works with the 6.4 kernel

  7. #7
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    Re: Ubuntu 22.04 Bluetooth adapter can't find any bluetooth devices.

    When I was using Ubuntu 23.04 I updated my kernel version to the last and that worked, but my bluetooth connection was discontinuously.

  8. #8
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    Re: Ubuntu 22.04 Bluetooth adapter can't find any bluetooth devices.

    Lets see if this change helps
    Code:
    sudo rm -r /usr/src/btusb-4.0
    cd bluetooth-5.19
    git pull
    sudo dkms add .
    sudo dkms install btusb/4.0
    Reboot

  9. #9
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    Re: Ubuntu 22.04 Bluetooth adapter can't find any bluetooth devices.

    I can turn on it, but it still can't find any devices.

  10. #10
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    Re: Ubuntu 22.04 Bluetooth adapter can't find any bluetooth devices.

    See results for
    Code:
    sudo dmesg | egrep -i 'blue|firm'
    We might need firmware

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