[Linux] Enabling ALSA line-in device almost never works on my machine ["Solved" by switching to JACK]

Help, Support & Bugs
1

So, I have my audio set up like this:

  • Device type: ALSA
  • In device: hw:UR22C,0 (USB audio)

And this set up can lean to any kind of glitches

  • all audio cuts off
  • the DAW slows down to a halt
  • the line-in plugin begins to re-boot constantly (as I see it in the pulseaudio’s control panel) causing an annoying clicking sound

When I set “In device” to “none”, everything works fine.

Have anyone ran into these problems? What could be done here? Thanks!

2

Please give some more details about distro and its version you are running.

Also, from my experience, jack works without a problem, plain alsa can be problematic :wink:

3

Ubuntu 22.04, Renoise 3.4.2

I tried jack, but for some reason I/O of my sound card don’t appear there - I can only route midi there.

4

Are you using plain ALSA, Pulseaudio and Jack, or are you using Pipewire, Pipewire-Jack and Pipewire-ALSA? (Not sure it would change much but it’s still an interesting piece of information to have)

5

Plain ALSA, Pulseaudio and Jack.

7

What can I do? I can’t route the line input from my sound card with jack. Jack’s graph only shows “system: capture 1/2”. None of them output anything.

8

What frontend for configuring jack you are using? qjackctl? You can try cadence or can check if killing pulseaudio (pulseaudio -k) before trying to start jack shows any difference.

9

Ok, I got it working with Cadence somehow (I see 0 difference with qjackctl’s connection graph but whatever, it works).

It would be perfect, if I figured out how to connect the output to the integrated sound card and the stereo system connected to it, but I guess, it easier to just connect the stereo to the external card.

Thanks!