Dear maintainers,
Here are my system details:
I noticed the error when I tried to connect to paired device:
```
...
> HCI Event: Simple Pairing Complete (0x36) plen 7
#101 [hci0] 11.658293
Status: Authentication Failure (0x05)
Address: 00:23:94:23:FB:B1 (Sennheiser Communications A/S)
> HCI Event: Auth Complete (0x06) plen 3
#102 [hci0] 11.659339
Status: Authentication Failure (0x05)
Handle: 256 Address: 00:23:94:23:FB:B1 (Sennheiser
Communications A/S)
@ MGMT Event: Authentication Failed (0x0011) plen 8
{0x0001} [hci0] 11.659387
BR/EDR Address: 00:23:94:23:FB:B1 (Sennheiser Communications
A/S)
Status: Authentication Failed (0x05)
bluetoothd[1222]: = profiles/audio/avdtp.c:avdtp_connect_cb() connect
to 00:23:94:23:FB:B1: Connection refused (111)
11.765028
< HCI Command: Disconnect (0x01|0x0006) plen 3
#103 [hci0] 13.772694
Handle: 256 Address: 00:23:94:23:FB:B1 (Sennheiser
Communications A/S)
Reason: Remote User Terminated Connection (0x13)
...
```
Bluetooth:
```
*-usb:2
description: Bluetooth wireless interface
product: Bluetooth wireless interface
vendor: Intel Corp.
physical id: 7
bus info: usb@1:7
version: 0.10
capabilities: bluetooth usb-2.00
configuration: driver=btusb maxpower=100mA speed=12Mbit/s
```
Chip ID:
```
Bluetooth:
```
Device-1: Intel Bluetooth wireless interface driver: btusb v: 0.8 type:
USB rev: 2.0 speed: 12 Mb/s lanes: 1 mode: 1.1 bus-ID: 1-7:5 chip-ID:
8087:0a2b class-ID: e001
```
The affected kernel version: `Debian 6.10.11-1 (2024-09-22) x86_64
GNU/Linux`.
I have also opend issu on Unix StackExchange:
https://unix.stackexchange.com/questions/784717/having-an-issue-connecting-sennheiser-pxc550-to-intels-8265-bluetooth
Best regards,
Patrik
