Stoyan Kenderov writes ("/dev/audio & /dev/dsp Device or resource busy ???"):
...
> The sparing comments in the source point to an IRQ or DMA conflict when one
> gets constant "Device or Resource busy" mesages on each:
>
> cat blabla.au > /dev/audio or
> cat uuhuu.wav > /dev/dsp
Have you installed `nas' (the `network audio system') ? It takes over
your sound hardware permanently. If you have then deinstall it.
Ian.