[LAD] PCM Troubleshooting Questions

Paul Davis paul at linuxaudiosystems.com
Wed Nov 3 13:13:23 UTC 2010

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:


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

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