jack not starting...error output

What do I need to do? I can’t get Jack to start…

00:15:30.591 Patchbay deactivated.
00:15:30.671 Statistics reset.
00:15:30.687 ALSA connection graph change.
00:15:30.910 ALSA connection change.
00:15:35.800 Startup script…
00:15:35.800 artsshell -q terminate
sh: artsshell: not found
00:15:36.202 Startup script terminated with exit status=32512.
00:15:36.202 JACK is starting…
00:15:36.203 /usr/bin/jackd -dalsa -dhw:0 -r44100 -p1024 -n2 -i1
jackd 0.118.0
Copyright 2001-2009 Paul Davis, Stephane Letz, Jack O’Quinn, Torben Hohn 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
00:15:36.213 JACK was started with PID=2882.
no message buffer overruns
JACK compiled with System V SHM support.
cannot lock down memory for jackd (Cannot allocate memory)
loading driver …
apparent rate = 44100
creating alsa driver … hw:0|hw:0|1024|2|44100|1|0|nomon|swmeter|-|32bit
control device hw:0
configuring for 44100Hz, period = 1024 frames (23.2 ms), buffer = 2 periods
ALSA: final selected sample format for capture: 32bit integer little-endian
ALSA: cannot set channel count to 1 for capture
ALSA: cannot configure capture channel
cannot load driver module alsa
00:15:36.223 JACK was stopped successfully.
00:15:36.223 Post-shutdown script…
00:15:36.224 killall jackd
jackd: no process found
00:15:36.631 Post-shutdown script terminated with exit status=256.
00:15:38.279 Could not connect to JACK server as client. - Overall operation failed. - Unable to connect to server. Please check the messages window for more info.

What hardware are you using? Are you sure it runs at 44.1Khz?

why are you specifying 1 channel for capture (input)? please stop using that option.