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Thread: jack server won't start.

  1. #1
    Join Date
    Apr 2007
    Location
    New Orleans
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    Distro
    Ubuntu 8.04 Hardy Heron

    jack server won't start.

    Hi. Qjackctl can't get the server to start. I have a condenser mic going into an m-audio mobile pre on hw:2 and the internal soundcard on hw:3 sending output to an amplifier. I want to speak into the mic, and hear my voice amplified. I have read many threads, and tried many configs. It worked once somewhere in the middle, and promptly never worked again. What should I do?

    Code:
    14:58:13.197 D-BUS: JACK server could not be started. Sorry
    Mon Jan 16 14:58:12 2012: Saving settings to "/home/niels/.config/jack/conf.xml" ...
    ...
    Mon Jan 16 14:58:12 2012: driver "alsa" selected
    ...
    Mon Jan 16 14:58:12 2012: Saving settings to "/home/niels/.config/jack/conf.xml" ...
    Mon Jan 16 14:58:12 2012: Starting jack server...
    Mon Jan 16 14:58:12 2012: JACK server starting in realtime mode with priority 10
    Mon Jan 16 14:58:13 2012: control device hw:2
    Mon Jan 16 14:58:13 2012: control device hw:3
    Mon Jan 16 14:58:13 2012: ERROR: Failed to acquire device name : Audio2 error : Input/output error
    Mon Jan 16 14:58:13 2012: ERROR: Audio device hw:2 cannot be acquired, trying to open it anyway...
    Mon Jan 16 14:58:13 2012: ERROR: Failed to acquire device name : Audio3 error : Input/output error
    Mon Jan 16 14:58:13 2012: ERROR: Audio device hw:3 cannot be acquired, trying to open it anyway...
    Mon Jan 16 14:58:13 2012: creating alsa driver ... hw:3|hw:2|1024|3|44100|1|1|nomon|swmeter|-|32bit
    Mon Jan 16 14:58:13 2012: control device hw:3
    Mon Jan 16 14:58:13 2012: configuring for 44100Hz, period = 1024 frames (23.2 ms), buffer = 3 periods
    Mon Jan 16 14:58:13 2012: ALSA: final selected sample format for capture: 24bit little-endian
    Mon Jan 16 14:58:13 2012: ERROR: ALSA: cannot set channel count to 1 for capture
    Mon Jan 16 14:58:13 2012: ERROR: ALSA: cannot configure capture channel
    Mon Jan 16 14:58:13 2012: ERROR: Cannot initialize driver
    Mon Jan 16 14:58:13 2012: ERROR: JackServer::Open() failed with -1
    Cannot connect to server socket err = No such file or directory
    Cannot connect to server socket
    jack server is not running or cannot be started
    Mon Jan 16 14:58:13 2012: ERROR: Failed to open server
    14:58:16.444 Could not connect to JACK server as client. - Overall operation failed. - Unable to connect to server. Please check the messages window for more info.
    Cannot connect to server socket err = No such file or directory
    Cannot connect to server socket
    jack server is not running or cannot be started
    What difference does it make to the dead, the orphans, and the homeless, whether the mad destruction is wrought under the name of totalitarianism or the holy name of liberty and democracy?
    ~ Mohandas Gandhi

  2. #2
    Join Date
    Feb 2012
    Beans
    Hidden!

    Re: jack server won't start.

    You need to force the hardware interface selected. PLease look at http://ubuntuforums.org/showthread.php?t=1919665#4

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