[alsa-devel] Mac Pro problem with USB soundcard

James Ward jeward at torzo.com
Thu Jan 15 17:31:11 CET 2009

I'm running 64 Bit Sabayon Linux 4.0 r1 on a Mac Pro.  I have connected a Creative USB sound card and would like to use it as the default.

I tried these two .asoundrc files suggested by gnubien on #alsa:

pcm.!default {
    type hw
    card 1
ctl.!default {
    type hw           
    card 1


created by wishie on #alsa 10-13-07
#Set the card you want to use here.. this example is for hw:1,0

pcm.snd_card {
        type hw
        card 1 
#change "card 1" to the card number listed for your usb soundcard using cat /proc/asound/cards output
        device 0

pcm.!default {
        type plug
        slave.pcm "dmixer"

pcm.dmixer {
        type dmix
        ipc_key 1024
        ipc_key_add_uid false
        ipc_perm 0660        
        slave {
                pcm "snd_card"
                rate 48000
                period_time 0
                period_size 1024
                buffer_time 0
                buffer_size 5120

Either of these .asoundrc files result in the USB soundcard going away.  I have to unplug it and plug it back in to get it back.  Please help.


Ward... James Ward
Linux System Administrator
System Administration
Phone:  520-290-0910 ext 268
Fax:    520-546-3442
ICQ:    201663408
Jabber: james at jabber.chinoc.net

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