Working, 6.0.16-lqx1 https://hastebin.com/omoqasiqek.apache Not working, 6.1.1-arch1-1.1 https://hastebin.com/itasefinaz.apache I built the working kernel myself with patched sources. Let me know if you'd like me to run a test with any particular kernel build or version. -- Michael On Tue, 3 Jan 2023 at 20:33, Takashi Iwai <tiwai@xxxxxxx> wrote: > > On Tue, 03 Jan 2023 10:07:42 +0100, > Thorsten Leemhuis wrote: > > > > [TLDR: I'm adding this report to the list of tracked Linux kernel > > regressions; all text you find below is based on a few templates > > paragraphs you might have encountered already already in similar form. > > See link in footer if these mails annoy you.] > > > > [CCing alsa maintainers] > > > > On 02.01.23 18:29, Michael Ralston 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. > > Please boot with snd_usb_audio.dyndbg=+p option, and get the kernel > logs in both working and non-working cases. > > I guess it's a regression due to the hw_params/prepare split, but need > to check more details. > > > thanks, > > Takashi
