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

David Runge dave at sleepmap.de
Mon May 6 23:20:02 CEST 2019

Hi Niklas,

On 2019-05-06 22:24:33 (+0200), nik at parkellipsen.de wrote:
> jackd -P98 -dalsa -dhw:2 -p512 -n3 -o2 -r44100
Add some more verbosity with `-v`

> ALSA: use 3 periods for capture
> ALSA: final selected sample format for playback: 24bit little-endian in 3bytes format
> ALSA: cannot set channel count to 2 for playback
> ALSA: cannot configure playback channel
> Released audio card Audio2
> audio_reservation_finish
> Cannot initialize driver
> JackServer::Open failed with -1
> Failed to open server
And you're sure it is not already running and/or being used by something
else (e.g. pulseaudio)?


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