On 01/03/2012 11:40 AM, Piotr Domagalski wrote:
> On 01/02/2012 04:37 PM, Piotr Domagalski wrote:
>> Hello!
>>
>> I've been struggling with using 3 USB cards ("C-Media USB Audio Device")
>> for a while now.
>
> I forgot to mention that I'm connecting these 3 USB cards through an USB
> 2.0 D-link hub. This seems to be the cause of the problem but I'm
> wondering if anyone is aware of any fix or workaround...
If the problem is caused by USB-1.x devices on a USB-2.0 hub, unbinding
the ehci_hcd driver may be an option:
http://lists.linuxaudio.org/pipermail/linux-audio-dev/2010-October/029511.html
OTOH, USB-1.x may not provide enough bandwidth for all the signals in
the first place.
robin
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