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Thread: Jackd not working 12.04

  1. #1
    Join Date
    Aug 2011
    Beans
    13

    Question Jackd not working 12.04

    Hey,
    I recently re-installed ubuntu 12.04 and did this tutorial installing the audiopackages including qjackctl. For some reason qjackctl won't work, and since I'm quite the newbie at this, I have no idea why.
    This error code is produced:

    Code:
    20:02:26.955 Patchbay deactivated.
    20:02:26.960 Statistics reset.
    20:02:26.965 ALSA connection change.
    20:02:26.977 D-BUS: Service is available (org.jackaudio.service aka jackdbus).
    Cannot connect to server socket err = No such file or directory
    Cannot connect to server request channel
    jack server is not running or cannot be started
    20:03:25.593 D-BUS: JACK server could not be started. Sorry
    Cannot connect to server socket err = No such file or directory
    Cannot connect to server request channel
    jack server is not running or cannot be started
    Fri Jan 11 20:03:25 2013: Starting jack server...
    Fri Jan 11 20:03:25 2013: JACK server starting in realtime mode with priority 10
    Fri Jan 11 20:03:25 2013: ERROR: cannot register object path "/org/freedesktop/ReserveDevice1/Audio0": A handler is already registered for /org/freedesktop/ReserveDevice1/Audio0
    Fri Jan 11 20:03:25 2013: ERROR: Failed to acquire device name : Audio0 error : A handler is already registered for /org/freedesktop/ReserveDevice1/Audio0
    Fri Jan 11 20:03:25 2013: ERROR: Audio device hw:0 cannot be acquired...
    Fri Jan 11 20:03:25 2013: ERROR: Cannot initialize driver
    Fri Jan 11 20:03:25 2013: ERROR: JackServer::Open failed with -1
    Fri Jan 11 20:03:25 2013: ERROR: Failed to open server
    Fri Jan 11 20:03:26 2013: Saving settings to "/home/bixop/.config/jack/conf.xml" ...
    20:03:28.230 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 request channel
    jack server is not running or cannot be started
    these are screens of my settings in qjackctl.
    Screenshot from 2013-01-11 20:35:50.png

    Screenshot from 2013-01-11 20:35:55.png


    Very thankful for any help!

  2. #2
    Join Date
    Oct 2011
    Beans
    8

    Re: Jackd not working 12.04

    How much soundcards do you have?
    Is it Ubuntu Studio or Ubuntu?
    If this is Ubuntu Studio you can set Priority to 89.
    Try to kill PulseAudio with
    Code:
    pulseaudio -k
    After this try to run Jack.
    If all okey and Jack runs correctly then the reason of problem is conflict between Jack and PulseAudio.
    It is a command to start PulseAudio
    Code:
    pulseaudio --start
    Last edited by ABOBA; January 14th, 2013 at 06:23 AM.

  3. #3
    Join Date
    Jun 2008
    Beans
    1,175
    Distro
    Ubuntu Studio

    Re: Jackd not working 12.04

    Quote Originally Posted by ABOBA View Post
    HTry to kill PulseAudio with
    Code:
    pulseaudio -k
    After this try to run Jack.
    If all okey and Jack runs correctly then the reason of problem is conflict between Jack and PulseAudio.
    It is a command to start PulseAudio
    Code:
    pulseaudio --start
    This is true only if you have set respawn to "no".

  4. #4
    Join Date
    Aug 2011
    Beans
    13

    Re: Jackd not working 12.04

    Hey, thx for the replies.

    I tried pulseaudio -k

    Now jackd seems to start, however there's still some errortext, I'm not sure why, what it does or if it's even important. It's the following:
    Code:
    Cannot connect to server socket err = No such file or directory
    Cannot connect to server request channel
    jack server is not running or cannot be started
    The entire code:
    Code:
    17:05:20.412 Patchbay deactivated.
    17:05:20.420 Statistics reset.
    17:05:20.466 ALSA connection change.
    17:05:20.850 D-BUS: Service is available (org.jackaudio.service aka jackdbus).
    Cannot connect to server socket err = No such file or directory
    Cannot connect to server request channel
    jack server is not running or cannot be started
    17:05:20.861 ALSA connection graph change.
    17:05:24.885 D-BUS: JACK server is starting...
    Tue Jan 15 17:05:24 2013: Starting jack server...
    Tue Jan 15 17:05:24 2013: JACK server starting in realtime mode with priority 10
    Tue Jan 15 17:05:24 2013: Acquired audio card Audio0
    Tue Jan 15 17:05:24 2013: creating alsa driver ... hw:0|hw:0|128|2|44100|0|0|nomon|swmeter|-|32bit
    Tue Jan 15 17:05:24 2013: Using ALSA driver HDA-Intel running on card 0 - HDA Intel at 0xfe6fc000 irq 43
    Tue Jan 15 17:05:24 2013: configuring for 44100Hz, period = 128 frames (2.9 ms), buffer = 2 periods
    Tue Jan 15 17:05:24 2013: ALSA: final selected sample format for capture: 32bit integer little-endian
    Tue Jan 15 17:05:24 2013: ALSA: use 2 periods for capture
    Tue Jan 15 17:05:24 2013: ALSA: final selected sample format for playback: 32bit integer little-endian
    Tue Jan 15 17:05:24 2013: ALSA: use 2 periods for playback
    Cannot connect to server socket err = No such file or directory
    Cannot connect to server request channel
    jack server is not running or cannot be started
    17:05:24.902 D-BUS: JACK server was started (org.jackaudio.service aka jackdbus).
    Tue Jan 15 17:05:24 2013: graph reorder: new port 'system:capture_1'
    Tue Jan 15 17:05:24 2013: New client 'system' with PID 0
    Tue Jan 15 17:05:24 2013: graph reorder: new port 'system:capture_2'
    Tue Jan 15 17:05:24 2013: graph reorder: new port 'system:playback_1'
    Tue Jan 15 17:05:24 2013: graph reorder: new port 'system:playback_2'
    Tue Jan 15 17:05:25 2013: Saving settings to "/home/bixop/.config/jack/conf.xml" ...
    17:05:27.150 JACK connection change.
    17:05:27.168 Server configuration saved to "/home/bixop/.jackdrc".
    17:05:27.168 Statistics reset.
    17:05:27.176 Client activated.
    17:05:27.184 JACK connection graph change.
    Tue Jan 15 17:05:27 2013: New client 'qjackctl' with PID 2622
    Tue Jan 15 17:06:06 2013: Ignoring JACK server start request because server is already started.
    17:06:12.537 ALSA connection graph change.
    17:06:12.614 ALSA connection change.
    17:06:12.615 ALSA connection graph change.
    17:06:12.814 ALSA connection change.
    17:06:17.226 XRUN callback (1).
    17:10:37.199 XRUN callback (2).
    To answer your questions - I have two soundcards but is currently only using one. I am running normal ubuntu with most of the soundpackages from ubuntu studio installed.

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