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

[bugzilla-daemon@kernel.org]

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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