Ubuntu 14.04, muitos problemas com 'JACK' e 'qjackctl'

Question

Eu tentei tudo que eu poderia procurar na net para chegar a nada que consertasse

aqui estão as coisas que eu estou vendo e o que eu estou tentando fazer é usar minha guitarra via usb para um programa de guitarra e eu consigo NÃO PODE FAZER UM JACK CLIENTE É JACKD RUNNING!

então eu olhei para cima e me disse para usar qjackctl fez agora é isso que eu vejo D-BUS:

JACK server could not be started. and Could not connect to JACK server as client.

Overall operation failed.
- Unable to connect to server. from the messages window i get   20:46:28.114 Patchbay deactivated.
20:46:28.116 Statistics reset.
20:46:28.121 ALSA connection change.
20:46:28.133 D-BUS: Service is available (org.jackaudio.service aka jackdbus).
20:46:28.210 D-BUS: JACK server could not be started. Sorry
Cannot connect to server socket err = No such file or directory
Cannot connect to server request channel
jack server is not running or cannot be started
Cannot connect to server socket err = No such file or directory
Cannot connect to server request channel
jack server is not running or cannot be started
20:46:28.231 ALSA connection graph change.
Fri Jan 16 20:46:28 2015: Starting jack server...
Fri Jan 16 20:46:28 2015: JACK server starting in realtime mode with priority 10
Fri Jan 16 20:46:28 2015: ERROR: Cannot lock down 82274202 byte memory area (Cannot allocate memory)
Fri Jan 16 20:46:28 2015: ERROR: cannot register object path "/org/freedesktop/ReserveDevice1/Audio0": A handler is already registered for /org/freedesktop/ReserveDevice1/Audio0
Fri Jan 16 20:46:28 2015: ERROR: Failed to acquire device name : Audio0 error : A handler is already registered for /org/freedesktop/ReserveDevice1/Audio0
Fri Jan 16 20:46:28 2015: ERROR: Audio device plughw:0 cannot be acquired...
Fri Jan 16 20:46:28 2015: ERROR: Cannot initialize driver
Fri Jan 16 20:46:28 2015: ERROR: JackServer::Open failed with -1
Fri Jan 16 20:46:28 2015: ERROR: Failed to open server
Fri Jan 16 20:46:29 2015: Saving settings to "/home/april-tyler/.config/jack/conf.xml" ...
20:47:26.302 Could not connect to JACK server as client. - Overall operation failed. - Unable to connect to server. Please check the messages window for more info.
Cannot connect to server socket err = No such file or directory
Cannot connect to server request channel
jack server is not running or cannot be started

Eu tentei tudo como 2s nele o sudo este o jack qualquer início não vai começar é como se estivesse trabalhando

ajuda plz e se você puder assistência remota seria ainda melhor

    

Answer 1

Seu usuário precisa estar no grupo de áudio.

sudo usermod -a -G audio $USER

Faça o logout e volte para a alteração entrar em vigor.