[LAU] More jack woes

Paul Davis paul at linuxaudiosystems.com
Wed Feb 13 03:01:01 UTC 2013


why are you running JACK with a PortAudio backend? or ... why are you
running Audacity with PortAudio trying to talk to JACK via ALSA?

On Tue, Feb 12, 2013 at 9:58 PM, Bob van der Poel <bob at mellowood.ca> wrote:

> Okay guys ... a few weeks ago I got jack running with audacity.
> Couldn't have done it without your help.
>
> But, this was with  a dirt cheap Behringer usb interface. Which I
> thought might not be the greatest.
>
> Today, my new and improved Presonus audiobox USB arrived. After
> changing a few names in my startup script ... it all seemed to be
> working. Until I tried to record using audacity. Remember, this worked
> fine with the cheapie.
>
> Now I get a series of xruns:
>
> This is snipped from my terminal. Not sure where the audacity stuff
> stops, but better too much?
>
> Expression 'ret' failed in 'src/hostapi/alsa/pa_linux_alsa.c', line: 1670
> Expression 'AlsaOpen( &alsaApi->baseHostApiRep, params, streamDir,
> &self->pcm )' failed in 'src/hostapi/alsa/pa_linux_alsa.c', line: 1830
> Expression 'PaAlsaStreamComponent_Initialize( &self->capture, alsaApi,
> inParams, StreamDirection_In, NULL != callback )' failed in
> 'src/hostapi/alsa/pa_linux_alsa.c', line: 2092
> Expression 'PaAlsaStream_Initialize( stream, alsaHostApi,
> inputParameters, outputParameters, sampleRate, framesPerBuffer,
> callback, streamFlags, userData )' failed in
> 'src/hostapi/alsa/pa_linux_alsa.c', line: 2764
> Expression 'stream->playback.pcm' failed in
> 'src/hostapi/alsa/pa_linux_alsa.c', line: 4541
> Expression 'stream->playback.pcm' failed in
> 'src/hostapi/alsa/pa_linux_alsa.c', line: 4541
> Expression 'stream->playback.pcm' failed in
> 'src/hostapi/alsa/pa_linux_alsa.c', line: 4541
> Expression 'stream->playback.pcm' failed in
> 'src/hostapi/alsa/pa_linux_alsa.c', line: 4541
> JackEngine::XRun: client = PortAudio was not run: state = 2
> JackAudioDriver::ProcessGraphAsyncMaster: Process error
> JackEngine::XRun: client = PortAudio was not run: state = 1
> JackAudioDriver::ProcessGraphAsyncMaster: Process error
> JackEngine::XRun: client = PortAudio was not run: state = 1
> JackAudioDriver::ProcessGraphAsyncMaster: Process error
> JackEngine::XRun: client = PortAudio was not run: state = 1
> JackAudioDriver::ProcessGraphAsyncMaster: Process error
> JackEngine::XRun: client = PortAudio was not run: state = 1
> JackAudioDriver::ProcessGraphAsyncMaster: Process error
> JackEngine::XRun: client = PortAudio was not run: state = 1
> JackAudioDriver::ProcessGraphAsyncMaster: Process error
> JackEngine::XRun: client = PortAudio was not run: state = 1
>
> The recording works, but it compressed/expanded and is totally
> useless. I'm having audacity play back a stereo track while recording
> one.
>
> So, did I but the wrong bit or hardware? I did check and it seems to
> be a workable unit.
>
>
> --
> **** Listen to my CD at http://www.mellowood.ca/music/cedars ****
> Bob van der Poel ** Wynndel, British Columbia, CANADA **
> EMAIL: bob at mellowood.ca
> WWW:   http://www.mellowood.ca
> _______________________________________________
> Linux-audio-user mailing list
> Linux-audio-user at lists.linuxaudio.org
> http://lists.linuxaudio.org/listinfo/linux-audio-user
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.linuxaudio.org/pipermail/linux-audio-user/attachments/20130212/0d470918/attachment.html>


More information about the Linux-audio-user mailing list