20 Nov
2009
20 Nov
'09
12:55 a.m.
Der Mickster wrote:
Hey,
Can't seem to start jackd in realtime as user on ubuntu studio. It
does start as root, but that's hardly a consolation (unless I run all
audio software as root, which would be kinda daft IMO)
@audio - rtprio 99
@audio - nice -10
@audio - memlock unlimited
have been added to /etc/security/limits.conf
Hi Mick,
I've noticed on recent releases of Ubuntu (not sure about Studio, but
definitely standard Ubuntu) that the default user account created at
installation isn't actually in the "audio" group by default. Not being
in the "audio" group would definitely cause these sorts of problems.
If that's the case, just add your user account to the "audio" group, log
out, and log back in, and with any luck JACK will run in realtime mode
just fine.
Thanks
Leigh
Nevertheless, starting it as user just doesn't seem to work, and I
just can't figure out why. I've googled the issue, and everybody seems
to agree that modifying limits.conf in the above manner should solve
the problem - yet this is what I get:
mick@kaizoku:~$ jackd -R -P89 -dalsa -dhw:0 -r48000 -p256 -n3 -S &
[1] 3092
mick@kaizoku:~$ no message buffer overruns
jackd 0.116.1
Copyright 2001-2005 Paul Davis and others.
jackd 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
JACK compiled with System V SHM support.
cannot use real-time scheduling (FIFO at priority 10) [for thread
-1217255744, from thread -1217255744] (1: Operation not permitted)
cannot create engine
Any ideas?
Mick.
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