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wracker

Member

Registered: 2022-07-30

Posts: 1

Bluetooth not working

I have cheap China Bluetooth 5.0 dongle. LED is working, but there is errors in the log.

usb 2-1.7: New USB device found, idVendor=0a12, idProduct=0001, bcdDevice=88.91
usb 2-1.7: New USB device strings: Mfr=0, Product=2, SerialNumber=0
usb 2-1.7: Product: USB2.0-BT
Bluetooth: hci0: CSR: Unbranded CSR clone detected; adding workarounds and force-suspending once...
Bluetooth: hci0: CSR: Couldn't suspend the device for our Barrot 8041a02 receive-issue workaround
Bluetooth: hci0: Opcode 0x c01 failed: -110
Bluetooth: hci0: command 0x0c01 tx timeout

Output of lsusb | grep Bluetooth -i

Bus 002 Device 010: ID 0a12:0001 Cambridge Silicon Radio, Ltd Bluetooth Dongle (HCI mode)

Output of hciconfig:

hci0:   Type: Primary  Bus: USB
        BD Address: 04:7F:0E:1A:2B:3C  ACL MTU: 1021:9  SCO MTU: 255:4
        DOWN
        RX bytes:516 acl:0 sco:0 events:20 errors:0
        TX bytes:316 acl:0 sco:0 commands:21 errors:0

Output of sudo hciconfig hci0 up:

Can't init device hci0: Connection timed out (110)

Output of rfkill list:

3: hci0: Bluetooth
        Soft blocked: no
        Hard blocked: no

Bluetoothctl:

Agent registered
[bluetooth]# list
[bluetooth]# power on
No default controller available
[bluetooth]#

What can I do? Can I fix it?

jonno2002

Member

Registered: 2016-11-21

Posts: 797

Re: Bluetooth not working

see this thread