[hardy] Pulseaudio blocks dmix

Bug #222606 reported by LCID Fire

This bug report was converted into a question: question #44528: [hardy] Pulseaudio blocks dmix.

Affects Status Importance Assigned to Milestone
pulseaudio (Ubuntu)

Bug Description

Binary package hint: pulseaudio

When an application is outputting sound through pulseaudio and a second app tries to output via alsa dmix is blocked:
ALSA lib pcm_dmix.c:874:(snd_pcm_dmix_open) unable to open slave
ALSA open: Device or resource busy

If I kill pulseaudio and both application are using alsa it works fine.

Revision history for this message
Luke Yelavich (themuso) wrote :

Pulseaudio is dsigned to use the soundcard directly by default. You can always reconfigure pulseaudio to use dmix if you wish.


Revision history for this message
LCID Fire (lcid-fire) wrote :

Since you have jack, alsa, oss and pulseaudio all in use at the same time I'd say the default should be changed to dmix. You cannot force a new (inexperienced) ubuntu user to mess with such things (whereas this is a point which works pretty out of the box in windows).

Brad Johnson (kkhww1902)
Changed in pulseaudio:
status: New → Confirmed
Revision history for this message
Kwalker1969 (kevinw-1) wrote :

how do u convert paulseaudio into dmix?

Changed in pulseaudio:
status: Confirmed → Invalid
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