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[Xen-users] USB Pass through to a Para Virtual Machine

To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-users] USB Pass through to a Para Virtual Machine
From: "Ramesh Dhami (VA3UV)" <Ramesh@xxxxxxxxx>
Date: Mon, 07 Dec 2009 13:32:50 -0500
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Hi Folks;

I'm having a tough time getting my VM to "see" a USB device connected to my PC.

The HOST sees the device just fine:

[root@VE3RSD-TEST ~]# lsusb
Bus 002 Device 001: ID 0000:0000
Bus 005 Device 001: ID 0000:0000
Bus 005 Device 002: ID 10cf:5500 Velleman Components, Inc. 8055 Experiment Interface Board (address=0)
Bus 004 Device 001: ID 0000:0000
Bus 001 Device 001: ID 0000:0000
Bus 003 Device 001: ID 0000:0000
[root@VE3RSD-TEST ~]#

I have the following in my xen config file for my VM:

usbdevice=[ 'host:10cf:5500' ]

However, when I do a lsusb from the VM, the device does not show up at all.

I've read some stuff on the web about passing the entire USB controller, where the controller is a PCI based card. In my case, the USB controller is the on-board USB ports. I do not have a spare slot to install a PCI card either.

Can anyone help? - this is critical to my VM rollout.



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