After a lot of experimenting, it seems to be (for me) caused by the fact
that PulseAudio is installed, but not activated properly. I find sound
is a lot more reliable when I route everything through PulseAudio. I
added the following to /etc/asound.conf (only takes effect after a
reboot):
--------8<--------
pcm.pulse {
type pulse
}
ctl.pulse {
type pulse
}
pcm.!default {
type pulse
}
ctl.!default {
type pulse
}
--------8<--------
I also uncommented and edited the first two "load-module" directives of
/etc/pulse/default.pa:
--------8<--------
load-module module-alsa-sink device=hw:0,0
load-module module-alsa-source device=hw:0,0
--------8<--------
Can people try that on for size?
--
[Gutsy] ALSA lib pcm_dmix.c:864:(snd_pcm_dmix_open) unable to open slave
https://bugs.launchpad.net/bugs/150129
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