[golo@localhost ~]$ jackd -d alsa
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.
loading driver ..
creating alsa driver ... hw:0|hw:0|1024|2|48000|0|0|nomon|swmeter|-|32bit
control device hw:0
the playback device "hw:0" is already in use. Please stop the application using it and run JACK again
cannot load driver module alsa





Any ideas or suggestions?

Try doing and see what you get. And if you are using a gui, might I suggest qjackctl.

Thanks for your quick response,

I used qjackctl as root and Jack started, however it gave an error,

"Could not open ALSA sequencer as a client. ALSA MIDI patchbay will be not available."