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-   -   Jack won't start with any drivers after installing libffado (http://www.linuxquestions.org/questions/slackware-14/jack-wont-start-with-any-drivers-after-installing-libffado-848467/)

2handband 12-05-2010 10:45 AM

Jack won't start with any drivers after installing libffado
 
I posted this over at the Ardour forum as well, but every time I post over there they just tell me I shouldn't use Ardour/Jack with Slackware...

I installed the libffado from Slackbuilds.org yesterday on my -current box, and followed the instructions in the README for configuration. After I did that jack wouldn't start at all, insisting that there were no recognized drivers, even when I had the alsa driver selected (alsa is working fine, by the way... I have sound). After doing some more research I uninstalled jack and built Jack2 (1.9.6) from source with the following configure options:

Code:

./waf configure --firewire --alsa --dbus --enable-pkg-config-dbus-service-dir
Now when I try to launch jack (regardless of selected driver) I get the following message in qjackctl:

Code:

21:05:32.183 JACK is starting...
21:05:32.183 /usr/local/bin/jackd --no-realtime -r -dalsa -dhw:0 -r48000 -p1024 -n3
21:05:32.185 JACK was started with PID=30359.
Unknown driver "alsa"
jackdmp 1.9.6
Copyright 2001-2005 Paul Davis and others.
Copyright 2004-2010 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
21:05:32.191 JACK was stopped with exit status=255.


ppr:kut 12-06-2010 04:42 AM

Are you sure this is related to installing ffado? Ie, does removing ffado and recompiling jack without it fix the issue?

2handband 12-06-2010 08:51 AM

Removed Jack2 and libffado, reinstalled Jack1. Still won't start, but new error message:

Code:

08:54:04.690 Patchbay deactivated.
08:54:04.717 Statistics reset.
08:54:04.775 Startup script...
08:54:04.775 artsshell -q terminate
08:54:04.811 ALSA connection graph change.
sh: artsshell: command not found
08:54:05.179 Startup script terminated with exit status=32512.
08:54:05.179 JACK is starting...
08:54:05.180 /usr/bin/jackd --no-realtime -r -dalsa -dhw:0 -r48000 -p1024 -n3
08:54:05.184 JACK was started with PID=17625.
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
Memory locking is unlimited - this is dangerous. You should probably alter the line:
    @audio  -  memlock    unlimited
in your /etc/limits.conf to read:
    @audio  -  memlock    3034278
could not open driver .so '/usr/lib64/jack/jack_net.so': libcelt0.so.0: cannot open shared object file: No such file or directory
JACK compiled with System V SHM support.
loading driver ..
apparent rate = 48000
creating alsa driver ... hw:0|hw:0|1024|3|48000|0|0|nomon|swmeter|-|32bit
control device hw:0
configuring for 48000Hz, period = 1024 frames (21.3 ms), buffer = 3 periods
ALSA: final selected sample format for capture: 32bit integer little-endian
ALSA: use 3 periods for capture
ALSA: final selected sample format for playback: 32bit integer little-endian
ALSA: got smaller periods 2 than 3 for playback
ALSA: cannot configure playback channel
cannot load driver module alsa
08:54:05.245 JACK was stopped successfully.
08:54:05.245 Post-shutdown script...
08:54:05.245 killall jackd
08:54:05.381 ALSA connection change.
jackd: no process killed
08:54:05.669 Post-shutdown script terminated with exit status=256.

This is maddening. It worked fine until I installed libffado.

ppr:kut 12-07-2010 01:22 AM

This looks like you built jack against celt, but it's not installed on your current system. Try installing that and see if it works then.


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