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Re: Problem trying to reproduce audio in KDE



On Mon, May 11, 2009 at 07:15:28 -0300, Daniel Bareiro wrote:
> Hi all!
> 
> Using Twinkle 1.4.2,

Just to make sure: Is this the official Debian package from the Squeeze
or Sid branch?

>                      when trying to establish a connection against the
> Asterisk server I obtain the following error message: "Critical: Cannot
> open ALSA driver for PCM playback: Device or resource busy".
> 
> Audio config for Twinkle is:
> 
> Ring tone:   ALSA: plughw:0,0: ICEnsemble ICE1724 (ICE1724)
> Speaker:     ALSA: plughw:0,0: ICEnsemble ICE1724 (ICE1724)
> Microphone:  ALSA: plughw:0,0: ICEnsemble ICE1724 (ICE1724)
> 
> Hardware card:
> 
> # lspci|grep audio
> 01:07.0 Multimedia audio controller: VIA Technologies Inc. VT1720/24
> [Envy24PT/HT] PCI Multi-Channel Audio Controller (rev 01)
> 
> In KDE Control Center the audio device is set to "Advanced Linux Sound
> Architecture".

Control center means KDE3, so you must be running Squeeze, correct?
Does the "test" button in this dialog work?

> Is there some way to solve this problem?

With KDE up and running, check the output of

lsof $(find /dev -group audio)

to see which processes might be blocking the audio device(s). It might
furthermore help if you show us the output of

aplay -l

-- 
Regards,            | http://users.icfo.es/Florian.Kulzer
          Florian   |


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