Re: [Xen-devel] usbdevice option and specifying a specific device

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Mon, Jul 29, 2013 at 09:01:42PM +0100, Gordan Bobic wrote:
> On 07/29/2013 08:17 PM, Gordan Bobic wrote:
> >I'm trying to use usbdevice option in the config file (instead of
> >passing USB PCI devices), and the documentation says to specify the
> >device in the form host:xxxx:yyyy where xxxx:yyyy is the USB
> >vendor:device ID.
> >
> >Except there is a problem with this - I have two identical keyboards and
> >mice, one set of which I want to pass to the host, and the other set
> >which I want to pass to the guest. Since the xxxx:yyyy will be the same
> >for both devices of each type, how can I deterministically specify which
> >I want to keep on the host and which I want to pass to the guest?
> >
> >Is there a way to use something like BusID:DeviceID instead in order to
> >provide a more deterministic outcome?
> 
> On a related note, the first device gets passed through
> successfully, but the second fails with a warning in qemu-dm log:
> 
> Warning: could not add USB device host:1532:002f
> 
> My usbdevice list is:
> 
> usbdevice = [ 'host:045e:00dd', 'host:1532:002f' ]
> 
> I cannot see anything more explanator in any of the other logs -
> what should I be looking for?
> 

You forgot to mention all the needed basic info.. 

What Xen version? Are you using xl? 

-- Pasi


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