Mike,
Several of the Jack2 packages are compiled with dbus enabled.  This
shouldn't be a problem, but on some systems dbus doesn't get started
unless you are running X.  I've run into this on Ubuntu/Debian systems
quite a bit.  Jack doesn't actually need X to run, it is possible to
compile it without dbus.
Sometimes work around this and run jackd2 by doing a dbus-launch to get
the dbus daemon started.  An alternate is to try Jack1 as you've
indicated.
Admittedly for a few reasons I often prefer Jack2, but for what you're
doing it really doesn't matter which you use.
Lorne Tyndale 
 
> 
> G'day along,
> 
> I have installed jackd, but I am getting...
> 
> root@tantive:~# jackd -d alsa -d hw:0
> jackdmp 1.9.11
> Copyright 2001-2005 Paul Davis and others.
> Copyright 2004-2014 Grame.
> jackdmp 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
> no message buffer overruns
> no message buffer overruns
> no message buffer overruns
> JACK server starting in realtime mode with priority 10
> self-connect-mode is "Don't restrict self connect requests"
> Failed to connect to session bus for device reservation Unable to 
> autolaunch a dbus-daemon without a $DISPLAY for X11
> 
> Audio device hw:0 cannot be acquired...
> Cannot initialize driver
> JackServer::Open failed with -1
> Failed to open server
> 
> THere is no X on this box and very little running, I can;t see what or 
> why it can't get hw:0.
> 
> Any pointers?
> 
> -- 
> Mike Phillips
> Coast FM.
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