On Wed, Feb 13, 2013 at 4:49 PM, Clemens Ladisch
<cladisch@xxxxxxxxxxxxxx> wrote:
>> ALSA lib pcm_hw.c:1466:(_snd_pcm_hw_open) Unknown field slaves
>
> The function _snd_pcm_hw_open is the "hw" plugin.
> Apparently, you have changed its definition somewhere.
Gosh, doesn't sound like something I want. It's my first Raspberry Pi,
so who knows what they've done.
What sorts of places might such redefinition occur? The most
likely-seeming candidate for me is /etc/modprobe.d/alsa-base.conf, but
I see no aliases there:
# autoloader aliases
install sound-slot-0 /sbin/modprobe snd-card-0
[...]
install sound-slot-7 /sbin/modprobe snd-card-7
# Cause optional modules to be loaded above generic modules
install snd /sbin/modprobe --ignore-install snd && { /sbin/modprobe
--quiet snd-ioctl32 ; /sbin/modprobe --quiet snd-seq ; : ; }
install snd-rawmidi /sbin/modprobe --ignore-install snd-rawmidi && {
/sbin/modprobe --quiet snd-seq-midi ; : ; }
install snd-emu10k1 /sbin/modprobe --ignore-install snd-emu10k1 && {
/sbin/modprobe --quiet snd-emu10k1-synth ; : ; }
# Keep snd-pcsp from beeing loaded as first soundcard
options snd-pcsp index=-2
# Keep snd-usb-audio from beeing loaded as first soundcard
options snd-usb-audio index=-2
# Prevent abnormal drivers from grabbing index 0
options bt87x index=-2
options cx88_alsa index=-2
options snd-atiixp-modem index=-2
options snd-intel8x0m index=-2
options snd-via82xx-modem index=-2
Ciao,
Sheldon.
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