[ardour-users] Ardour, Jack won't start

ulrich steffens ulrich at barfuss-jerusalem.org
Tue Apr 5 07:04:20 PDT 2005

hi, im also running ubuntu (hoary) and jack/ardour... though i found
some problems lately in ubuntu it mainly works well.
have you enabled the 'universe' repos in kubuntu?
if not, either open the file /etc/apt/sources.list and enable

deb http://archive.ubuntu.com/ubuntu/ hoary main restricted universe
deb-src http://archive.ubuntu.com/ubuntu/ hoary main restricted universe

by deleting the # in front of the lines.
or in 'synaptic' go: settings > repositories. hit the reload button and
then search for jack, it will show up there as 'jackd'. the presence of
jack-audio-ripper confused me as well, cause i've never heard of this :)
you may also find 'qjackctl' VERY useful cause its a nice GUI to
configure and start jackd. 
also the ubuntu-kernel comes 'realtime' ready (means to be able to run
jack/ardour in realtime without beeing root). search for realtime in
synaptic. i am not sure if this thing works out of the box, cause i
started fiddling with realtime when i was on warty and upgraded
meanwhile to hoary. (a quick look at the repos shows that realtime-lsm
is in the 'unuverse' repos)
if realtime is compiled and ready, open /etc/modules and put
	realtime gid=29
in the last line. this enables realtime for the audio-group.

hope this helps

- ulrich
rule 3: It is OK to put all bad people in a giant meat grinder.

On Mo, 2005-04-04 at 14:50 -0700, Loren Dias wrote:
> (I think this is where you email to get replies in the mailing list)
> Hi, i try to run "Ardour" under the run console, i get this message
> --------------------
> Ardour could not connect to JACK.
> There are several possible reasons :
> 1) Jack is not running
> 2) Jack is running as another user, perhaps root
> 3) There is already another client called "ardour"
> Please consider these possabilities, and perhaps (re)start Jack
> --------------------
> Jack gives me
> --------------------
> owner at ubuntu:~$ jack
> This is jack 3.1.1 (C)2004 Arne Zellentin <zarne at users.sf.net>
>  *warning* config file /etc/jackrc is of unknown version None.
> Traceback (most recent call last):
>   File "/usr/lib/python2.4/site-packages/jack_functions.py", line 134, in gettoc
>     exec(jack_helpers.helpers[toc_prog]['toc_fkt'])
>   File "<string>", line 4, in ?
> error: (5, 'Input/output error')
> Trouble reading the disk's TOC. If you already ripped the CD, you'll have to
> cd into the created directory which is either named after the CD's title
> or still called jack-xxxxxxxx (xxxxxxxx is a hex number).
> --------------------
> I'm not sure if i need to run "jackstart", or other jack commands
> since i've tried all i  saw in the /usr/bin folder, I'm currently on
> Kubuntu and im not really sure what to do next, thanks for your help
>     ~ Loren
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