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
