[Bug 222177] New: Bluetooth AX201 device does not work on Debian 13 on Kernel 6.12.114, works on 6.12.113

[Bug 222177] New: Bluetooth AX201 device does not work on Debian 13 on Kernel 6.12.114, works on 6.12.113

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=222177

            Bug ID: 222177
           Summary: Bluetooth AX201 device does not work on Debian 13 on
                    Kernel 6.12.114, works on 6.12.113
           Product: Drivers
           Version: 2.5
          Hardware: Intel
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P3
         Component: Bluetooth
          Assignee: linux-bluetooth@vger.kernel.org
          Reporter: kalamlacki@gmail.com
        Regression: No

After compiling Kernel 6.12.114 bluetooth device is not working in blueman app
on Debian 13, it works correctly on Kernel 6.12.113.

My adapter is:

00:14.3 Network controller: Intel Corporation Wi-Fi 6 AX201 (rev 20)
Bus 001 Device 004: ID 8087:0026 Intel Corp. AX201 Bluetooth

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[Bug 222177] Bluetooth AX201 device does not work on Debian 13 on Kernel 6.12.114, works on 6.12.113

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=222177

Lukasz Kalamlacki (kalamlacki@gmail.com) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Kernel Version|                            |6.12.114

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Re: [Bug 222177] New: Bluetooth AX201 device does not work on Debian 13 on Kernel 6.12.114, works on 6.12.113

[Emanuele Ghidoli]

On 10/21/26 17:34, bugzilla-daemon@kernel.org wrote:
> https://bugzilla.kernel.org/show_bug.cgi?id=222177
> 
>             Bug ID: 222177
>            Summary: Bluetooth AX201 device does not work on Debian 13 on
>                     Kernel 6.12.114, works on 6.12.113
>            Product: Drivers
>            Version: 2.5
>           Hardware: Intel
>                 OS: Linux
>             Status: NEW
>           Severity: normal
>           Priority: P3
>          Component: Bluetooth
>           Assignee: linux-bluetooth@vger.kernel.org
>           Reporter: kalamlacki@gmail.com
>         Regression: No
> 
> After compiling Kernel 6.12.114 bluetooth device is not working in blueman app
> on Debian 13, it works correctly on Kernel 6.12.113.
> 
> My adapter is:
> 
> 00:14.3 Network controller: Intel Corporation Wi-Fi 6 AX201 (rev 20)
> Bus 001 Device 004: ID 8087:0026 Intel Corp. AX201 Bluetooth
> 

The regression is caused by a missing backport: 6.12.114 picked up "Bluetooth:
L2CAP: convert to getsockopt_iter" but not its prerequisite "net: call
getsockopt_iter if available" (upstream 5bd0dec150f5), so getsockopt() on
L2CAP sockets fails with EOPNOTSUPP and bluetoothd cannot register the adapter.
See
https://lore.kernel.org/stable/20261022111535.528099-1-ghidoliemanuele@gmail.com/.

If someone can test it, a Tested-by in reply to the patch would help.

Emanuele

[Bug 222177] Bluetooth AX201 device does not work on Debian 13 on Kernel 6.12.114, works on 6.12.113

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=222177

--- Comment #1 from ghidoliemanuele@gmail.com ---
On 10/21/26 17:34, bugzilla-daemon@kernel.org wrote:
> https://bugzilla.kernel.org/show_bug.cgi?id=222177
> 
>             Bug ID: 222177
>            Summary: Bluetooth AX201 device does not work on Debian 13 on
>                     Kernel 6.12.114, works on 6.12.113
>            Product: Drivers
>            Version: 2.5
>           Hardware: Intel
>                 OS: Linux
>             Status: NEW
>           Severity: normal
>           Priority: P3
>          Component: Bluetooth
>           Assignee: linux-bluetooth@vger.kernel.org
>           Reporter: kalamlacki@gmail.com
>         Regression: No
> 
> After compiling Kernel 6.12.114 bluetooth device is not working in blueman
> app
> on Debian 13, it works correctly on Kernel 6.12.113.
> 
> My adapter is:
> 
> 00:14.3 Network controller: Intel Corporation Wi-Fi 6 AX201 (rev 20)
> Bus 001 Device 004: ID 8087:0026 Intel Corp. AX201 Bluetooth
> 

The regression is caused by a missing backport: 6.12.114 picked up "Bluetooth:
L2CAP: convert to getsockopt_iter" but not its prerequisite "net: call
getsockopt_iter if available" (upstream 5bd0dec150f5), so getsockopt() on
L2CAP sockets fails with EOPNOTSUPP and bluetoothd cannot register the adapter.
See
https://lore.kernel.org/stable/20261022111535.528099-1-ghidoliemanuele@gmail.com/.

If someone can test it, a Tested-by in reply to the patch would help.

Emanuele

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