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Re: [Spice-devel] [Qemu-devel] usb redirection status report


From: David Mansfield
Subject: Re: [Spice-devel] [Qemu-devel] usb redirection status report
Date: Thu, 20 Jan 2011 15:11:33 -0500

> H
> i,
> 
> On 01/20/2011 12:27 PM, Christoph Hellwig wrote:
> > On Wed, Jan 19, 2011 at 07:15:47PM +0100, Hans de Goede wrote:
> >> Hi All,
> >>
> >> As most of you know I'm working on usb redirection (making client usb
> >> devices
> >> accessible in guests over the network).
> >>
> >> I thought it would be a good idea to write a short status report.
> >>
> >> So fat the following has been done:
> >>
> >> * written and posted a network protocol for usb redir. over the network,
> >> and send this to the list.
> >

As another late-comer, hate to ask a possibly old question but will this
added protocol allow usb devices from arbitrary "remote" hosts to be
redirected or only from the host running the spice client?

I recently tried to use the native qemu usb functionality to
pass-through a webcam and fell flat on my face due to what others
described as "timing issues", and was wondering if it would be possible
to pass a USB device plugged in to the vm-host to the vm-guest using
your new functionality, even though a third (and unrelated) host is
running the spice client.

I guess this is moot if the new approach will not fix the aforementioned
"timing issues" (i.e. perhaps it is not possible in a general case to
drive an arbitrary USB device non-locally).

Thanks,
David 






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