jack not starting...error output

2 replies [Last post]
User offline. Last seen 5 years 6 weeks ago. Offline
Joined: 2012-03-13

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.
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.

christophski's picture
User offline. Last seen 16 hours 59 min ago. Offline
Joined: 2009-04-22

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

paul's picture
User offline. Last seen 8 hours 20 min ago. Offline
Joined: 2006-03-16

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