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[Xen-devel] Re: [Xen-users] intel DQ45CB gma4500 VGA Passthrough Windows

To: wealdwind <wealdwind@xxxxxxxxx>
Subject: [Xen-devel] Re: [Xen-users] intel DQ45CB gma4500 VGA Passthrough Windows7 display deadly slow
From: Pasi Kärkkäinen <pasik@xxxxxx>
Date: Thu, 13 May 2010 15:26:20 +0300
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-- Pasi

On Wed, May 12, 2010 at 11:33:52AM -0400, wealdwind wrote:
> 
> Hi,
> 
> I succeeded  in VGA pass through on my intel dq45cb motherboard.
> 
> Xen4.0.0 was downloaded from xen.org.
> Dom0 is 2.6.32.x/stable which was downloaed form jeremy's repository.
> Dom0 os is Ubuntu Lucid.
> 
> I could pass through the onboard intel GMA4500 to domU windows7. The
> following is my hvm config:
> 
> kernel = "hvmloader"
> builder='hvm'
> memory = 1028
> shadow_memory = 32
> memory_sharing = 0
> name = "win7"
> vcpus=1
> pae=1
> acpi=1
> apic=1
> vif = [ 'type=ioemu, bridge=br0' ]
> disk = [ 'file:/opt/virtualmachines/win7.raw,hda,w',
> 'file:/opt/iso/win7-x86-32.iso,ioemu:hdc:cdrom,r']
> device_model = 'qemu-dm'
> vnc=1
> vnclisten="0.0.0.0"
> vncunused=1
> vncpasswd=''
> 
> tsc_mode=1
> localtime=1
> 
> usb=1
> 
> xen_platform_pci=1
> pci=[ '01:00.0', '00:1b.0', '00:02.0','00:02.1' ]
> gfx_passthru=1
> 
> 
> 
> Everything seems fine.  I could boot up the domU windows7. At the
> begining  windows7 was working perfectly, but after about 1 minute
> later, the screen display seems very slow.
> 
> When I clicked a menu, the menu would pop up about 20 seconds later.
> 
> Windows7 used the built-in  GMA4500 video driver, which is the same with
> the driver when ran windows7 directly on the motherboard.
> 
> 
> I think there must be something wrong, but I couldn't figure it out.
> 
> There was no error log in xend qemu-dm and windows7 event log.
> 
> Pls. help me.
> 
> Thanks
> 
> Weald
> 
> 
> 
> 
> 
> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-users

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