Re: [Alsa-user] alsa-lib and RME HDSP9652

[Andre S. <and...@io...>]

Am Tue, 7 Aug 2012 00:11:37 +0200
schrieb Anders Genell <and...@gm...>:

> 
> Below are examples of the error I got from mplayer and OpenAL
> respectively. mplayer -ao alsa file.wav
> [AO_ALSA] alsa-lib: pcm_hw.c:326:(snd_pcm_hw_hw_params)
> SNDRV_PCM_IOCTL_HW_PARAMS failed (-16): Device or resource busy
> [AO_ALSA] Unable to set hw-parameters: Device or resource busy 
> 
>  OpenAL (via chromium-bsu) 
> AL lib: alsa.c:642: set params failed: Device or resource busy
> 
> Any ideas?
> 
Sounds like sth. is already using the device. Try:

$ cat /proc/asound/cardX/pcm0p/sub0/status

and check the result (replace X with the right card number). It should
report "closed", otherwise you will get the PID of the process that is
using it.


Regards,
   Andre