THE LOCKING CTL BUG can be easily reproduced by open two terminals
aplay -D front:AUDIGY2 -f DAT Foo1.wav
arecord -D front:AUDIGY2 -f DAT Foo2.wav
you need to change /usr/share/alsa/conf/cards/AUDIGY2.conf
so that the slave capture device has no locks or just define playback
slave only
Plugin: asym
This plugin is a combination of playback and capture PCM streams. Slave PCMs
can be defined asymmetrically for both directions.
pcm.name {
type asym # Asym PCM
playback STR # Playback slave name
# or
playback { # Playback slave definition
pcm STR # Slave PCM name
# or
pcm { } # Slave PCM definition
}
capture STR # Capture slave name
# or
capture { # Capture slave definition
pcm STR # Slave PCM name
# or
pcm { } # Slave PCM definition
}
}
For example, you can combine a dmix plugin and a dsnoop plugin as as a single
PCM for playback and capture directions, respectively.
pcm.duplex {
type asym
playback.pcm "dmix"
capture.pcm "dsnoop"
}
By defining only a single direction, the resultant PCM becomes half-
duplex.
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https://bugs.launchpad.net/bugs/1329014
Title:
[Audigy2 - SB Audigy 2 [SB0240], playback] No sound at all
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