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

Aaron Trumm aaron at nquit.com
Mon Apr 4 15:11:43 PDT 2005

try something like:

jackd -R -d alsa -d hw:0 -r 48000 -p 1024

uhm - or just try:


and see what happens - all those command line options are adjustable:
-R               is to turn on real time scheduling
-d alsa         is to use the alsa driver (this the only option really)
-d hw:0       is the default you don't need this part
-r 48000     is the sample rate
-p 1024      is buffers

again all those options have defaults

la la - other people will say to use:


I don't do that - anyway definitely just typing:


won't do it, unless I'm mistaken

----- Original Message ----- 
From: "Loren Dias" <lorendias at gmail.com>
To: <ardour-users-ardour.org at lists.ardour.org>
Sent: Monday, April 04, 2005 2:50 PM
Subject: [ardour-users] Ardour, Jack won't start

> (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
>     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
> 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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> ardour-users at lists.ardour.org
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