Rakarrack não inicia - Ubuntu 19.10

Olá, pessoal.
Instalei o Rakarrack, mas clico e nada acontece. Fiz um chamado pelo terminal e eis o que apareceu:
[email protected]:~$ rakarrack

rakarrack 0.6.1 - Copyright © Josep Andreu - Ryan Billing - Douglas McClendon - Arnout Engelen
Try ‘rakarrack --help’ for command-line options.
Cannot connect to server socket err = Connection refused
Cannot connect to server request channel
jackdmp 1.9.12
Copyright 2001-2005 Paul Davis and others.
Copyright 2004-2016 Grame.
Copyright 2016-2017 Filipe Coelho.
jackdmp comes with ABSOLUTELY NO WARRANTY
This is free software, and you are welcome to redistribute it
under certain conditions; see the file COPYING for details
no message buffer overruns
no message buffer overruns
no message buffer overruns
JACK server starting in realtime mode with priority 10
self-connect-mode is “Don’t restrict self connect requests”
audio_reservation_init
Acquire audio card Audio0
creating alsa driver … hw:0|hw:0|128|2|44100|0|0|nomon|swmeter|-|32bit
configuring for 44100Hz, period = 128 frames (2.9 ms), buffer = 2 periods
ALSA: final selected sample format for capture: 32bit integer little-endian
ALSA: use 2 periods for capture
ALSA: final selected sample format for playback: 32bit integer little-endian
ALSA: use 2 periods for playback
Falha de segmentação (imagem do núcleo gravada)
[email protected]:~$ Unknown error…
terminate called after throwing an instance of ‘Jack::JackTemporaryException’
what():
[email protected]:~$ rakarrack

rakarrack 0.6.1 - Copyright © Josep Andreu - Ryan Billing - Douglas McClendon - Arnout Engelen
Try ‘rakarrack --help’ for command-line options.
Falha de segmentação (imagem do núcleo gravada)

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