[LAD] PCM Troubleshooting Questions

[Paul Davis]

On Wed, Nov 3, 2010 at 1:03 AM, Rory Filer <rflyer at gmail.com> wrote:
> On Mon, Nov 1, 2010 at 2:00 AM, Clemens Ladisch <clemens at ladisch.de> wrote:

> RTFM is perhaps the message here, becauseI only noticed the -D switch
> now. When I ran aplay on my target today it threw an error:
>
> "ALSA lib pcm.c:2143:(snd_pcm_open_noupdate) Unknown PCM default
> aplay: main:510: audio open error: No such file or directory "
>
> I looked at the code in question but the error doesn't mean anything to me
> yet.

what command did you use? the -D switch requires the name of a valid
PCM device. examples might include:

   hw:0
   plughw:2,1
   default
   hw:DSP
   aNameAddedToMyAsoundRCFile

ALSA is complaining (in its typically opaque way) that you gave it a
PCM device name that it doesn't know about.