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Thread: JACK problems, 10.04

  1. #1
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    Ubuntu 10.04 Lucid Lynx

    JACK problems, 10.04

    Hi,

    I am sort of new to this, but I'm trying!

    I am currently running 10.04 on my semi-old desktop and on my netbook.
    Just bought the Yamaha audiogram6 to do some home recording. So far, it's going decently on my netbook, but jack isn't working for me on my desktop.

    In Ardour, i just get feedback noise if I try to run it with realtime unchecked. When I try to run realtime in JACK I get: either a frozen JACK or, error messages. What does realtime do exactly anyways? Is that what's causing my ardour noise?

    I already added myself to the audio group, edited the limits.conf and limits.d/audio.conf files and I am still crashing and burning.

    O kind ubuntu community! please help me!

    I sometimes can see the messages with jack, but othertimes it just crashes after the hw:1 line. I can post the message if it ever decides to tell me again.

    Thanks!!!

  2. #2
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    Re: JACK problems, 10.04

    p, li { white-space: pre-wrap; } 21:34:38.558 Patchbay deactivated.
    21:34:40.117 Statistics reset.
    21:34:40.186 JACK is starting...
    21:34:40.187 /usr/bin/jackd -p128 -dalsa -dhw:1 -r48000 -p64 -n2 -Xraw
    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
    21:34:40.208 JACK was started with PID=6103.
    no message buffer overruns
    JACK compiled with System V SHM support.
    loading driver ..
    apparent rate = 48000
    creating alsa driver ... hw:1|hw:1|64|2|48000|0|0|nomon|swmeter|-|32bit
    control device hw:1
    21:34:51.592 JACK was stopped successfully.
    21:34:51.686 Post-shutdown script...
    21:34:51.687 killall jackd
    21:34:51.688 JACK has crashed.
    jackd: no process found
    21:34:52.325 Post-shutdown script terminated with exit status=256.
    21:34:54.273 Could not connect to JACK server as client. - Overall operation failed. - Unable to connect to server. Please check the messages window for more info


    not much to work on...at least with my level of knowledge

  3. #3
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    Re: JACK problems, 10.04

    Could it have to do with the sound card in my computer?

  4. #4
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    Re: JACK problems, 10.04

    Could you post the result of this from a terminal window:
    aplay -l

  5. #5
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    Re: JACK problems, 10.04

    aplay -l gives:

    card 0: I82801BAICH2 [Intel 82801BA-ICH2], device 0: Intel ICH [Intel 82801BA-ICH2]
    Subdevices: 1/1
    Subdevice #0: subdevice #0
    card 1: default [USB Audio CODEC ], device 0: USB Audio [USB Audio]
    Subdevices: 1/1
    Subdevice #0: subdevice #0

    Card 1 is my audiogram. Its still working on my laptop as USB Audio Codec, but my desktop....



    By the way, LOVE the Bootsy.

  6. #6
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    Re: JACK problems, 10.04

    Can you verify that you are using the exact same jack settings on the desktop and the netbook?
    Does jack work with the on board desktop card, hw:0?
    Can you use the USB device with any other software on the desktop? Audacity for example.

  7. #7
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    Re: JACK problems, 10.04

    I will test that stuff out. later today.

    I don't know how to test if the hw:0 will work on my desktop. I don't have a mic that works in the mic jack (I think my motherboard is getting too old), so even if JACK starts up (with no xruns hopefully) I don't know how to see if it can record anything....

    Other than that, Audacity is a good idea. I'll let you know.

  8. #8
    Join Date
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    Re: JACK problems, 10.04

    I don't know how to test if the hw:0 will work on my desktop. I don't have a mic that works in the mic jack (I think my motherboard is getting too old), so even if JACK starts up (with no xruns hopefully) I don't know how to see if it can record anything....
    You can test it out with Hydrogen or something else that makes noise, just hook it up to ardour/qtractor or timemachine. All I really need to know is whether jack starts or not.

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