Xen users - Mar 2011 - Xen 4 / PVUSB auto attach issue

Hi, 
I just switch from Debian to Opensuse 11.3 in order to have all kernel features.
It works perfectly for PCI passthrough but i have a issue with USB passthrough.

My .cfg file: 

name="Router" 
description="None" 
uuid="27f51901-8df6-9c03-4715-9788935a8733" 
memory=512 
maxmem=1024 
vcpus=1 
on_poweroff="destroy" 
on_reboot="restart" 
on_crash="destroy" 
localtime=0 
builder="linux" 
bootloader="/usr/bin/pygrub" 
bootargs="" 
extra="xencons=tty " 
#disk=[ ''phy:/dev/lvg-xen/Router-disk,xvda,w'',
''phy:/dev/lvg-xen/Router-swap,xvdb,w'',
''file:/mnt/openSUSE-11.3-DVD-x86_64.iso,xvdc:cdrom,r'', ]
vif=[ ''mac=00:16:3e:2d:59:77,bridge=br0'' ] 
pci=[ ''0000:03:00.0'' ] 
vusb=[ ''usbver=2,numports=8,port_1=2-1.1'' ] 
nographic=1 

I can boot DomU, USB device is assigned to the DomU: 

# xm usb-list Router 
Idx BE state usb-ver BE-path 
0 0 4 USB2.0 /local/domain/0/backend/vusb/3/0 
port 1: 2-1.1 [ID 0b95:1780 ASIX Elec. Corp. AX88178 ] 
port 2: 
port 3: 
port 4: 
port 5: 
port 6: 
port 7: 
port 8: 

But my domU only see USB controller. I need to do following command in order to
see this USB device appear.

xm usb-detach Router 0 1 
xm usb-attach Router 0 1 2-1.1 

Is there a trick to repair this issue? 

Thanks a lot 

Etienne 



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