Is my Intel HD Graphics 4600 Xen VGA Passthrough to Windows 8 Enterprise HVM domU Considered Successful?

["Singapore Citizen Mr. Teo En Ming (Zhang Enming)" <singapore.mr.teo.en.ming@gmail.com>]

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Hi,

My Windows 8 Enterprise HVM domU configuration is as follows. I have to 
*disable* gfx_passthru, that is, gfx_passthru=0. Please take note.

# XL domain configuration file for Windows 8 64-bit English HVM domU
# Please refer to "man xl.cfg" for further explanations.
# See also docs/misc/xl-network-configuration.markdown and
# docs/misc/xl-disk-configuration.txt
# Written by Teo En Ming (Zhang Enming)
# Email: teo.en.ming@gmail.com
# Mobile Phone: +65-9117-5902
# Country: Singapore
# Date: 14 July 2013 Sun
device_model_version="qemu-xen-traditional"
name="Windows8"
builder="hvm"
vcpus=4
memory=2048
on_poweroff="destroy"
on_reboot="restart"
on_crash="destroy"
disk=[ 'format=raw, vdev=hda, access=rw, 
target=/etc/xen/images/windows8.img', 'format=raw, vdev=hdc, access=ro, 
devtype=cdrom, target=/home/teo-en-ming/WIN8_RTM.ISO' ]
vif=[ 'bridge=virbr0,type=ioemu,model=e1000' ]
#boot=[c|d|n]
#Selects the emulated virtual device to boot from. Options are hard disk 
(c), cd-rom (d) or network/PXE (n).
#Multiple options can be given and will be attempted in the order they 
are given. e.g. to boot from cd-rom
#but fallback to the hard disk you can give dc. The default is cd.
boot="dc"
acpi=1
#xen_platform_pci=1
#viridian=1
#stdvga=1
vnc=1
vnclisten="0.0.0.0"
vncdisplay=0
vncunused=1
vncpasswd=""
sdl=0
usb=1
usbdevice="tablet"
# Enable Xen VGA Passthrough
#gfx_passthru=1
# VGA Passthrough Gigabyte Geforce GTX 560 1 GB GDDR5 PCI Express x16 
VGA card.
#pci = [ 
'01:00.0','01:00.1','00:1b.0','00:1a.0','00:1a.1','00:1a.2','00:1a.7','00:1d.0','00:1d.1','00:1d.2','00:1d.7' 
]
# PCI Passthrough Intel HD Audio Controller.
#pci = [ '00:1b.0' ]
# PCI Passthrough all the USB Controllers.
# pci = [ 
'00:1a.0','00:1a.1','00:1a.2','00:1a.7','00:1d.0','00:1d.1','00:1d.2','00:1d.7' 
]
# Passthrough Intel HD Graphics 4600, audio controllers and USB controllers
pci = [ '00:02.0','00:03.0','00:14.0','00:1a.0','00:1b.0','00:1d.0' ]
#pci = [ '00:02.0' ]

Please also refer to screenshots of Intel HD Graphics 4600 in Device 
Manager in Windows 8 Enterprise HVM domU.

http://i.imgur.com/g4ZTbyJ.png
http://i.imgur.com/Trl7Fbz.png
http://i.imgur.com/BQxElh6.png
http://i.imgur.com/1BUvLMV.png
http://i.imgur.com/XT0JVwE.png
http://i.imgur.com/EkxrpDE.png
http://i.imgur.com/e0Zkv9Y.png

So is my Intel HD Graphics 4600 Xen VGA passthrough to Windows 8 
Enterprise HVM domU considered successful?

I cannot enable gfx_passthru, that is, gfx_passthru=1. If I enable 
gfx_passthru, Windows 8 Enterprise HVM domU would start for a few 
seconds, then the LCD monitor would go into power save mode (blank 
screen) *forever*.

Please advise me on how I can get VGA passthrough to work with 
gfx_passthru=1.

Thank you very much.

-- 
Yours sincerely,

Singapore Citizen Mr. Teo En Ming (Zhang Enming)



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# XL domain configuration file for Windows 8 64-bit English HVM domU
# Please refer to "man xl.cfg" for further explanations.
# See also docs/misc/xl-network-configuration.markdown and
# docs/misc/xl-disk-configuration.txt
# Written by Teo En Ming (Zhang Enming)
# Email: teo.en.ming@gmail.com
# Mobile Phone: +65-9117-5902
# Country: Singapore
# Date: 14 July 2013 Sun
device_model_version="qemu-xen-traditional"
name="Windows8"
builder="hvm"
vcpus=4
memory=2048
on_poweroff="destroy"
on_reboot="restart"
on_crash="destroy"
disk=[ 'format=raw, vdev=hda, access=rw, target=/etc/xen/images/windows8.img', 'format=raw, vdev=hdc, access=ro, devtype=cdrom, target=/home/teo-en-ming/WIN8_RTM.ISO' ]
vif=[ 'bridge=virbr0,type=ioemu,model=e1000' ]
#boot=[c|d|n]
#Selects the emulated virtual device to boot from. Options are hard disk (c), cd-rom (d) or network/PXE (n).
#Multiple options can be given and will be attempted in the order they are given. e.g. to boot from cd-rom
#but fallback to the hard disk you can give dc. The default is cd.
boot="dc"
acpi=1
#xen_platform_pci=1
#viridian=1
#stdvga=1
vnc=1
vnclisten="0.0.0.0"
vncdisplay=0
vncunused=1
vncpasswd=""
sdl=0
usb=1
usbdevice="tablet"
# Enable Xen VGA Passthrough
#gfx_passthru=1
# VGA Passthrough Gigabyte Geforce GTX 560 1 GB GDDR5 PCI Express x16 VGA card.
#pci = [ '01:00.0','01:00.1','00:1b.0','00:1a.0','00:1a.1','00:1a.2','00:1a.7','00:1d.0','00:1d.1','00:1d.2','00:1d.7' ]
# PCI Passthrough Intel HD Audio Controller.
#pci = [ '00:1b.0' ]
# PCI Passthrough all the USB Controllers.
# pci = [ '00:1a.0','00:1a.1','00:1a.2','00:1a.7','00:1d.0','00:1d.1','00:1d.2','00:1d.7' ]
# Passthrough Intel HD Graphics 4600, audio controllers and USB controllers
pci = [ '00:02.0','00:03.0','00:14.0','00:1a.0','00:1b.0','00:1d.0' ]
#pci = [ '00:02.0' ]


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