5 Dec
2007
5 Dec
'07
1:44 a.m.
I just had a similar experience.
I had installed the ubuntustudio-audio and audio-plugins metapackages
and linux-rt kernel on Fluxbuntu 7.10 RC. I got the same QJACKCtl
error. I had already made myself part of the audio group. I searched
the forums,found the tip about /etc/security/limits.conf and made
those changes, but still no success. Some further investigation showed
that QJACKCtlcould not access /dev/shm if I ran it as myself. If I ran
QJACKCtl using sudo, no problem.
Unfortunately that is where my investigation ended. I installed
Xubuntu and the ubuntustudio stuff and all is well.
I should probably post to the Fluxbuntu forum as well...
Best,
ernie
--
"Both Rob and I see sound as shapes.
I only have to do this (makes a fist)
and he knows what sound I mean". - Autechre
:::::::::::::::::::::::::::::::::::::::::::
Ernie Dulanowsky
www.pulsewidth.ca
So my question
is: how can I run jack as a normal user in Ubuntu?
The easy way is to install the ubuntustudio packages that are part of
the normal ubuntu repository. apt-get install ubuntustudio-audio should
do the trick.
The thing to ensure is that your /etc/security/limits.conf contains
these lines:
@audio - rtprio 99
@audio - memlock 512000
@audio - nice -19
and that your user is part of the 'audio' group (it normally is by
default).
Normally the ubuntustudio packages take care of both these conditions.
Note that should you have to add the lines or make your user member of
the audio group, you have to logout and relogin in order for the changes
to take effect.
Greets,
Pieter
PS: While you're at it you can also install the realtime patched kernel
for ubuntu (linux-rt).