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Re: [Xen-users] Xen 4 VGA Passthrough - Keyboard/Mouse?

To: "Pasi Kärkkäinen" <pasik@xxxxxx>
Subject: Re: [Xen-users] Xen 4 VGA Passthrough - Keyboard/Mouse?
From: "Nick Couchman" <Nick.Couchman@xxxxxxxxx>
Date: Thu, 08 Apr 2010 13:20:22 -0600
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> 
> Which dom0 kernel are you using? 

I'm running openSuSE 11.2, so it is not the PV OPS dom0, nor is it 2.6.18, 
exactly.  Closer to 2.6.18, though, I believe.

> 
> Did you read this:
> http://wiki.xensource.com/xenwiki/XenPCIpassthrough
> 
> Especially the fact that pvops dom0 kernel has xen-pciback and not just 
> pciback..

Yep...and I actually managed to get PCI forwarding for the video card and the 
USB controller working...mostly.  I'm still getting an error when I try to 
forward PCI devices for my USB 2.0 controller through - the error is this:

Error: pci: 0000:00:1d.7: non-page-aligned MMIO BAR found

If I just do the USB 1.1 controllers, it works fine - both of the on-board 2.0 
controllers behave this way, though.  I have tried the guestdev, reassigndev, 
and reassign_resources parameters on the kernel boot line, to no avail.  Any 
further hints on this front would be appreciated!

> 
> 
> I assume you also read this?:
> http://wiki.xensource.com/xenwiki/XenVGAPassthrough
> 
> -- Pasi

Yep - got this working, no problem!

Thanks!

-Nick



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