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

Alan Stern stern at rowland.harvard.edu
Tue Jul 31 16:35:08 CEST 2012

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

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