snd_pcm_open failed: Device or resource busy

From	Haines Brown <haines@engels.histomat.net>
Newsgroups	comp.os.linux.hardware
Subject	snd_pcm_open failed: Device or resource busy
Date	2015-06-29 11:26 -0400
Message-ID	<87a8vi4jts.fsf@engels.histomat.net> (permalink)

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I fiddled to get Skype going yesterday, and in the process broke
Audacious' ability to send sound to my sound card when playing a CD. I
get a general popup: "Failed to open audio output." and an ALSA error
popup: "snd_pcm_open failed: Device or resource busy."

However, if I do $ pulseaudio --kill, I get sound from Audacious, and so
there is some kind of conflict with ALSA.

In /etc/alsa-base.conf I have:

  options snd slots=snd-virtuoso,snd-hda-intel,snd-hda-intel

In pavucontrol, Output Devices, it seems my Xonar sound card was set to
be default if pulseaudio is running, but disappears when pulseaudio is
killed. I don't understand this.

I'd like to be able to listen to CD disks without killing pulseaudio.

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Thread

snd_pcm_open failed: Device or resource busy Haines Brown <haines@engels.histomat.net> - 2015-06-29 11:26 -0400
  Re: snd_pcm_open failed: Device or resource busy Henrik Carlqvist <Henrik.Carlqvist@deadspam.com> - 2015-06-30 05:42 +0000
    Re: snd_pcm_open failed: Device or resource busy Haines Brown <haines@engels.histomat.net> - 2015-06-30 08:31 -0400

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