[ovirt-users] USB Device selection

David Jaša djasa at redhat.com
Wed Jul 16 13:04:07 UTC 2014


On St, 2014-07-16 at 08:50 -0400, Maurice James wrote:
> Does the driver get installed on the host or the vm?

Neither, this applies to the client. The host just creates virtual USB
hub and "plugs" redirected USB devices into it and guest sees the
devices just as if they'd be plugged physically.

Client system OTOH needs to handle the device in an unusual way so that
spice/usbredir gets raw control over it - that's the reason why you need
the WinUSB driver to be used for the device prior to actual redirection.

On linux clients, a short-lived binary does similar magic with udev.

HTH,

David

> 
> 
> 
> ----- Original Message -----
> From: "David Jaša" <djasa at redhat.com>
> To: "Maurice James" <mjames at media-node.com>
> Cc: "users" <users at ovirt.org>
> Sent: Wednesday, July 16, 2014 6:39:25 AM
> Subject: Re: [ovirt-users] USB Device selection
> 
> On Po, 2014-07-14 at 12:54 -0400, Maurice James wrote:
> > Has anyone gotten the USB Device selection on the spice-viewer window
> > to work?
> > 
> 
> Hi Maurice,
> 
> I suppose you use Windows client, is it the case? If so, yo either have
> to install WinUSB driver for each device manually, or you need to build
> usbclerk service, or you need some other tool such as zadig. See this
> archived post for reference:
> http://lists.freedesktop.org/archives/spice-devel/2013-May/013479.html
> 
> If you use Linux client, it's either misconfiguration on your part or by
> your distribution, or it is a bug.
> 
> Sharing basic info always helps others help you!
> 
> Regards,
> 
> David
> 
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