So I run qjackctl and click start. It shows no errors, but there is no sound at all from any application. When I stop qjackctl it all starts working.

I have no idea how to debug this :(

Specs: HP Compaq 6715s, Lubuntu 14.04.1 LTS

1 Answer 1


Due to your connections first need to be configured look alike:

and other screenshots is here

qjackctl Patchbay

about configuration

QjackCtl holds its settings and configuration state per user, in a file located as


Normally, there's no need to edit this file, as it is recreated and rewritten every time qjackctl is run.

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