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#1 2023-05-26 12:38:52

Advait
Member
Registered: 2023-05-26
Posts: 1

Failed to connect: org.bluez.Error.Failed br-connection-unknown

I am using bluetoothctl to connect bluetooth earphone.

Here is the error:

[bluetooth]# connect 11:11:22:33:37:44
Attempting to connect to 11:11:22:33:37:44
[CHG] Device 11:11:22:33:37:44 Connected: yes
Failed to connect: org.bluez.Error.Failed br-connection-unknown
[CHG] Device 11:11:22:33:37:44 Connected: no

Found this on https://github.com/bluez/bluez/blob/bb1 … xt#L26-L30

BR/EDR connection unknown error
===============================
    errno:    ENOSYS

    Failed due to unknown reason.

I am not sure how to proceed.

ADDITIONAL INFORMATION:

[alter@advait ~]$ lsusb #usb-utils
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 002: ID 0bda:0316 Realtek Semiconductor Corp. Card Reader
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 005: ID 06cb:009a Synaptics, Inc. Metallica MIS Touch Fingerprint Reader
Bus 001 Device 004: ID 04f2:b604 Chicony Electronics Co., Ltd Integrated Camera (1280x720@30)
Bus 001 Device 003: ID 8087:0a2b Intel Corp. Bluetooth wireless interface
Bus 001 Device 002: ID 04f2:b613 Chicony Electronics Co., Ltd Integrated IR Camera
Bus 001 Device 006: ID 2386:432f Raydium Corporation Touch System
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

[alter@advait ~]$ rfkill
ID TYPE      DEVICE                   SOFT      HARD
0 bluetooth hci0                unblocked unblocked
1 bluetooth tpacpi_bluetooth_sw unblocked unblocked
2 wlan      phy0                unblocked unblocked

dmesg output:

[    6.187069] Bluetooth: hci0: Waiting for firmware download to complete
[    6.187386] Bluetooth: hci0: Firmware loaded in 1853437 usecs
[    6.187517] Bluetooth: hci0: Waiting for device to boot
[    6.200730] Bluetooth: hci0: Device booted in 13012 usecs
[    6.200733] Bluetooth: hci0: Malformed MSFT vendor event: 0x02
[    6.207840] Bluetooth: hci0: Found Intel DDC parameters: intel/ibt-12-16.ddc
[    6.210416] Bluetooth: hci0: Applying Intel DDC parameters completed
[    6.211498] Bluetooth: hci0: Firmware revision 0.1 build 19 week 44 2021

Last edited by Advait (2023-06-24 13:47:19)

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