After a recent upgrade, sound stopped working on my testing box.
For example, trying to play a .wav file, one would see the following:
bates@symplectic:$ play *.wav
ALSA lib pcm_dmix.c:1018:(snd_pcm_dmix_open) unable to open slave
play FAIL formats: can't open output file `default': snd_pcm_open error:
Device or resource busy
Mucking about a bit, it seems that pulseaudio is at least partially the
culprit:
bates@symplectic:$ ps caugx | grep pul
115 1839 1.0 0.1 93220 4148 ? Ssl 13:41 0:01 pulseaudio
bates 2240 0.4 0.1 85292 3196 ? Ssl 13:42 0:00 pulseaudio
bates@symplectic:$ su
Password:
root@symplectic:# kill 1839
root@symplectic:# exit
And now when I try:
bates@symplectic:$ play *.wav
everything is fine.
I suppose the question should be how do I stop PID 115 from turning on
pulseaudio on boot. Any tips gratefully appreciated.
Larry Bates
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