Re: usbdevice option and specifying a specific device

[Gordan Bobic <gordan@bobich.net>]

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