Re: [Xen-devel] Re: Patches for VGA-Passthrough XEN 4.2 unstable

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Wed, Aug 31, 2011 at 01:16:07AM -0700, komkon555 wrote:
> Hi. Windows starts with xen4.2 normally as far as pci-passthrough for
> VGA-Card is disabled. PCI-passthrough works perfect with other  pci-devices
> (lan, sound and s.o.). With pci-passthrough enabled for VGA-Card (meters not
> if GFX=0/1) Windows XP crashes. There is my configs:
> HVM-client:
> 
> #  -*- mode: python; -*-
> #============================================================================
> # Python configuration setup for 'xm create'.
> # This script sets the parameters used when a domain is created using 'xm
> create'.
> # You use a separate script for each domain you want to create, or
> # you can set the parameters for the domain on the xm command line.
> #============================================================================
> 
> #----------------------------------------------------------------------------
> # Kernel image file.
> kernel = "hvmloader"
> 
> # The domain build function. HVM domain uses 'hvm'.
> builder='hvm'
> 
> memory = 1024
> 
> # A name for your domain. All domains must have different names.
> name = "winxpvm1"
> 
> vif = [ 'type=ioemu, bridge=xenbr0' ]
> 
> disk = [ 'phy:/dev/data/vm01,ioemu:hda,w' ]
> 
> device_model = 'qemu-dm'
> 
> sdl=0
> 
> opengl=0
> 
> vnc=1
> 
> vncdisplay=1
> 
> stdvga=0
> 
> serial='pty'
> 
> tsc_mode=0
> 
> pci=[ '08:00.0' ]
> 
> gfx_passthru=1
> 
> ###########################################################
> 
> /boo/grub/grub.cfg:
> 
> "xen-pciback.permissive xen-pciback.hide=(08:00.0)
> pci=resource_alignment=08:00.0"
> 

Did you try without resource_alignment?

What's your gfx adapter?

-- Pasi


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