Re: [LAU] Behringer UMC1820 suddenly stopped working with JACK2 (after re-install)

On Mon, May 6, 2019 3:24 pm, nik@parkellipsen.de wrote:
> i recently re-installed Arch Linux on my laptop after a disk swap and
> suddenly JACK2 (non-dbus) doesn't run with my Behringer UMC1820
> anymore.
...
> I usually start jack2 like this (works with the other device):
>
> jackd -P98 -dalsa -dhw:2 -p512 -n3 -o2 -r44100

Have you verified the device number? The device number can change between
reboots even, so definitely could change when reinstalling your OS.
Easiest to check using aplay -l to list all ALSA devices, perhaps hw:2 is
no longer your UMC interface.

-- 
Chris Caudle
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