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zeelog 07-24-2012 10:54 AM

Slack 13 Jack control fails
Slackware 13
Could not connect to JACK server as client.
- Overall operation failed.
- Unable to connect to server.
Please check the messages window for more info.

Copyright 2001-2005 Paul Davis and others.
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 ..
apparent rate = 48000
creating alsa driver ... hw:1,0|hw:1,0|1024|2|48000|0|0|nomon|swmeter|-|32bit
control device hw:1
ALSA: Cannot open PCM device alsa_pcm for playback. Falling back to capture-only mode
cannot load driver module alsa
14:45:53.215 JACK was stopped successfully.
14:45:53.216 Post-shutdown script...
14:45:53.216 killall jackd
jackd: no process found
14:45:53.625 Post-shutdown script terminated with exit status=256.
14:45:55.258 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 can I do to fix this problem ?
Is something wrong with ALSA ?
When I do "man ALSA" there is no alsa.

onebuck 07-25-2012 08:16 AM

Member Response


excerpt from 'man alsaconf';
alsaconf - configuration tool for the Advanced Linux Sound Architecture

alsaconf [options]

This manual page documents briefly the alsaconf command.

Alsaconf is a simple shell script which tries to detect the sound cards on your system and writes a suitable configuration file for
ALSA. It will try to guess what GNU/Linux distribution you're running, and will act accordingly to the standards of that distribution,
if specific support is available.

Alsaconf will write a module-init-tools (or modutils) snippet which can be then used by module-init-tools (or modutils) to load the cor-
rect parameters for your sound card.
alsamixer(1), amixer(1), aplay(1), arecord(1)


excerpt from 'man alsamixer';
alsamixer - soundcard mixer for ALSA soundcard driver, with ncurses interface

alsamixer [options]

alsamixer is an ncurses mixer program for use with the ALSA soundcard drivers. It supports multiple soundcards with multiple devices.
Setup 'alsa' for your system via 'alsaconf' then set the mixer settings with 'alsamixer'.

You can save the mixer settings with 'alsactl store';

excerpt from 'man alsactl';
alsactl - advanced controls for ALSA soundcard driver

alsactl [options] [store|restore|init] <card # or id or device>

alsactl is used to control advanced settings for the ALSA soundcard drivers. It supports multiple soundcards. If your card has features
that you can't seem to control from a mixer application, you have come to the right place.

zeelog 07-25-2012 11:39 AM

Slack 13 Jack Control fails
Thank you OneBuck. After running alsaconf and setting it to ICE1712 my
initial problem is solved. Jack Control starts.
So I'm going to mark this one as solved and asked a different question.
Thank you !

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