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module-alsa-sink.c: Error opening PCM device front:0: Device or resource busy

Wed, 04/22/2009 - 18:21 — dvogels

I ran into an problem with sound on a Dell Inspiron 518 workstation running Ubuntu 8.04. I had paused Amarok and then viewed a Flash video on youtube. When I went to play Amarok again Amarok stalled and hung there. I had to kill the amarok process to shut it down. The syslog gave up:

pulseaudio[29142]: module-alsa-sink.c: Error opening PCM device front:0: Device or resource busy

lspci shows that the sound card is from ATI:

01:00.1 Audio device: ATI Technologies Inc RV620 Audio device [Radeon HD 34xx Series]

There was good info on the net and the solution I found to work were as follows.

First reinstall pulseaudio and libflashsupport:

sudo apt-get install --reinstall pulseaudio libflashsupport

Then go to System->Preferences->Sound and set all options to "ALSA - Advanced Linux Sound Architecture":

Now my audio is no longer bugging out when playing Flash movies.

Sources:

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