[alsa-devel] Alsa: USB Class 2 Audio soundcard device disappears suddenly

[Alan Stern]

On Tue, 31 Jul 2012, Joao Bonina wrote:

> You're right about the EMI message, it's happening when the streaming stops.
> 
> I've tried different cables before, but that didn't solve the problem.
> 
> The motherboard is an Alix 1D, and I'm using the onboard USB 2.0 ports.
> 
> If this really is an EMI issue, guess I'll have to source some kind of miniPCI-USB 2.0 card and see if that solves the problem.

Another possibility is to put a USB hub before the sound device.  That 
_might_ clean up the signal.

Alan Stern