[Xen-devel] usbpassthrough of xen-4.1.2 update

[Qian Hu <qianhu2011@xxxxxxxxx>]

Hi, everyone! The same question with updated message.

I am working on the USB passthrough of Xen-4.1.2. My host OS  is Fedora 14 and the guest OS is win7.

According to the wiki page(http://wiki.xen.org/wiki/Xen_USB_Passthrough), 

xen supports passthrough of usb device from dom0 to guests. I have tried the Xen HVM guest qemu-dm usb1.1 emulation,

by specifying "usb = 1" and "usbdevice = host:xxxx:yyyy". I have also tried the command usb_add host:xxxx:yyyy.

But, the mouse could work, the keyboard didn't, and the usb storage device(usb 2.0) appeared in the device manager.

While the driver is OK, it couldn't start. I can only find the message  "The device cannot start(code 10)".

I doubt there may be something wrong with the guest OS driver, which is not said to be needed.

I am confused and don't know how to resolve it.  Could anyone help me?

Great thanks!

huqian

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