Sound stopped working -

[Mark LaPierre]

On 02/03/2012 12:26 PM, Bob Goodwin wrote:
>
> Sound stopped working after I tried a USB Sound Adapter, which
> only lit its indicator leds.
>
> Normally the following should produce sound from the loudspeaker.
> [root at box6 bobg]# aplay /usr/share/sounds/purple/login.wav
> ALSA lib pcm_dmix.c:1018:(snd_pcm_dmix_open) unable to open slave
> aplay: main:660: audio open error: Device or resource busy
>
> It does not, and no sound shows on the PAVC input or output
> bars. I'm not certain of how signal moves through the sound
> circuit but it looks like it doesn't get from PA to ALSA input?
>
> I can feed a signal into the sound input jack and produce normal
> indications on the PAVC display and sound at the loudspeaker.
>
> Apparently plugging in that USB "sound adapter" switched
> something in the logic. Rebooting has not changed things? Is
> there a default conig. file somewhere?
>
> I've tried everything I can think of via the alsamixer display
> settings.
>
> Everything did work normally before this.
>
> Also, it would be helpful if there was a way to generate a
> continuous tone or keep aplay looping continuously when messing
> with cables under the desk, etc. I have not been able to find
> anything to do that.
>
> Suggestions wanted, what do I do next?
>
> Bob
> .
>

while [ 1 <> 0 ]
do
aplay sound.wav
done

-- 
     _
    °v°
   /(_)\
    ^ ^  Mark LaPierre
Registerd Linux user No #267004