[mythtv-users] ALSA No Longer Sees Sound Card

[Michael T. Dean]

On 03/08/2008 03:39 PM, Ben Curtis wrote:
> Just rebuilt a new box for my backend, and I can't seem to get sound
> playback working on it.  Everything worked great until I installed the
> capture cards.  After installing the capture cards, it appears to be
> trying to use them as the default sound device, instead of the mobo's
> sound card.  So.. some info:
>
> "aplay -l" returns nothing.
> "alsamixer" shows:
>   Card: PulseAudio
>   Chip: PulseAudio
>   View: [Playback] Capture  All
> "alsamixer -c 0" shows:
>   Card: Conexant CX8801
>   Chip: CX88│
>   View: [Playback] Capture  All
> "alsamixer -c #" where # is 1-9 don't work at all.
>
> In KDE when using the sound card detection, it finds my "Intel 82801l
> (ICH9 Family) HD Audio Controller", and appears to be trying to use ALSA
> to run it.  However, aRts crashes at boot, or any time I try to restart
> the sound system.
>
> I'm stumped as to why "aplay -l" doesn't see the motherboards' sound card.

Do you realize that you're now using a PulseAudio virtual device?  If 
you don't intend to use PulseAudio, that's the crux of your problem.  
http://en.wikipedia.org/wiki/PulseAudio

Mike