USB-Audio regression on behringer UMC404HD

[Michael Ralston]

For comparison, on a working kernel version, my audio devices are
listed in a different order:
http://alsa-project.org/db/?f=eff15e3b674b313f12121c95d4cf330f9d48897c

--
Michael

On Tue, 3 Jan 2023 at 04:29, Michael Ralston <michael at ralston.id.au> wrote:
>
> I'm currently experiencing a regression with the audio on my Behringer
> U-Phoria UMC404HD.
>
> Alsa info is at:
> http://alsa-project.org/db/?f=f453b8cd0248fb5fdfa38e1b770e774102f66135
>
> I get no audio in or out for this device with kernel versions 6.1.1 and 6.1.2.
>
> The versions I have tried that work correctly include 5.15.86 LTS,
> 5.19.12, and 6.0.13–16.
>
> When I run this on 6.1.1, it will just hang until I ctrl+c:
> aplay -D plughw:1,0 /usr/share/sounds/alsa/Front_Center.wav
>
> I've run strace on that command, and its output is at:
> https://pastebin.com/WaxJpTMe
>
> Nothing out of the ordinary occurs when aplay is run, according to the
> kernel logs.
>
> Please let me know how I can provide additional debugging information
> if necessary.
>
> Thanks
> Michael