Re: [Xen-users] GPLPV, clock drift and PVUSB in Windows XP HVM

[James Harper <james.harper@xxxxxxxxxxxxxxxx>]

> 
> I did what you suggested and found a lot of the information I needed.
> I successfully created a host controller using root@www:~# xm usb-hc-
> create LightJockey 2 4 and the Add New Hardware wizard immediately
> showed up in my HVM.  I successfully installed the drivers there (which I
> believe to be usbfront drivers from GPLPV).  But now here's my current
> problem:
> 
> <snip>
> 
> xen.util.vusb_util.UsbDeviceParseError: vusb: Error parsing USB device
> info: Can't get assignment status: (3-1).
> 
> I am assuming this means that I do not have the usbback drivers.  How can I
> tell?  Where can I get them?  Are they packaged for Debian or will I have to
> patch something?  There used to be a separate Xen kernel but ever since I
> upgraded to wheezy the kernel appears to be the stock one, yet everything
> still works with Xen hypervisor 4.1.2-6.
> 

I have something that might work. I had to tweak it a bit to compile under 
3.2.0, but it seemed to work under 3.1.0 and the tweak was minor.

Download from http://www.meadowcourt.org/private/xen-usbback.tgz, untgz it, 
then run make from inside the directory. You'll need the current kernel headers 
for your kernel to build but otherwise it's just built out-of-tree. That should 
give you a .ko module you can load.

I haven't tested it under 3.2.0, so don't go testing it on anything important.

James


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