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Old 10-27-2009, 03:44 PM   #1
perso
LQ Newbie
 
Registered: Oct 2009
Distribution: Ubuntu 9.04
Posts: 14

Rep: Reputation: 0
Question Jack server won't connect


I have googled some on this matter and realized that I'm not the only one with the problem, but so far I haven't been able to find the solution.

I would like to record some own music, and I try programs like Ardour or Rosegarden, but I can't get Jack Control to work. When I try to connect to the Jack server I only get an error (the last part of this message):

PHP Code:
20:24:05.592 Patchbay deactivated.
20:24:05.616 Statistics reset.
20:24:05.739 ALSA connection graph change.
20:24:05.935 ALSA connection change.
20:24:09.334 Startup script...
20:24:09.335 artsshell -q terminate
sh
artsshellnot found
20
:24:09.738 Startup script terminated with exit status=32512.
20
:24:09.738 JACK is starting...
20:24:09.738 /usr/bin/jackd -dalsa -dhw:-r44100 -p1024 -n2
20
:24:09.741 JACK was started with PID=14338.
no message buffer overruns
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 ..
SSE2 detected
apparent rate 
44100
creating alsa driver 
... hw:0|hw:0|1024|2|44100|0|0|nomon|swmeter|-|32bit
control device hw
:0
ALSA
Cannot open PCM device alsa_pcm for playbackFalling back to capture-only mode
cannot load driver module alsa
20
:24:09.958 JACK was stopped successfully.
20:24:09.959 Post-shutdown script...
20:24:09.959 killall jackd
jackd
ingen process avslutad
20
:24:10.389 Post-shutdown script terminated with exit status=256.
20
:24:11.813 Could not connect to JACK server as client. - Overall operation failed. - Unable to connect to serverPlease check the messages window for more info
The main problems as I understand it is: “Cannot open PCM device alsa_pcm for playback. Falling back to capture-only modecannot load driver module alsa”

and: “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 should I do?

I can play and record via Audacity (that also use ALSA), so why should it be any harder to use something that needs Jack?

I am new to this part of Linux (and not a very experienced Linux user in any area), so if you could give me any hint it would be much appreciated.
 
Old 11-17-2009, 07:02 AM   #2
Rasmus
LQ Newbie
 
Registered: Jul 2007
Posts: 19

Rep: Reputation: 1
JACK needs a special configuration to run. There is some info available via Google. Or Pm/email me if you want.
 
  


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