alsamixer: function snd_ctl_open failed for default

[studio32]

I'll get this message after installed the -rt kernel on a ubuntu system...

I've no sound anymore..

alsamixer: function snd_ctl_open failed for default: No such file or directory

edit: there is no soundcard detected...
bug in the -rt kernel of ubuntu? https://bugs.launchpad.net/ubuntu/+sour ... bug/200182