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

[Gordan Bobic <gordan@xxxxxxxxxx>]

On 07/29/2013 10:18 PM, Pasi Kärkkäinen wrote:
> 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?
Xen 4.3, and yes, I am using xl.

Gordan


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