[LAU] jconvolver does not find a running Jack2 server

Olivier Humbert trebmuh at tuxfamily.org
Tue Aug 6 20:26:54 CEST 2019


Le 2019-08-06 19:10, Moshe Werner a écrit :
> Hey Chris,
> 
> thanks for chiming in.
> 
>> I would suggest starting jackd from the command line, and posting
>> the
>> entire set of messages starting with the command line you typed to
>> the end
>> of the startup messages.
>> 
>> Perhaps there is a permission problem with your user account which
>> is not
>> allowing shared memory setup.
> 
>  [moshew at moshe-laptop ~]$ jackd --realtime --realtime-priority 89
> -dalsa -dhw:D1248 -r48000 --period 128 -n2

--period 128 -> this is very low. Not all system/hardware are able to 
handle it.

Suggestion is to try with a higher value such as 1024 for a starting.
Then, if it works, go down to 512, then 256.

Hope that helps,
Olivier

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