Xen devel - Dec 2010 - NVIDIA Geforce 8400 GS PCI Express x16 Xen 4.0.2-rc1-pre VGA Passthrough Partial Success

Dear All,

Hypervisor: Xen 4.0.2-rc1-pre
pv-ops dom0 kernel: 2.6.32.26
Distro: Fedora 11 Linux x86_64
Graphics card: NVIDIA Geforce 8400 GS PCI Express x16
Motherboard: Intel Desktop Board DQ45CB

I have applied patches from Tobias Geiger''s xen-devel mailing list 
thread 
(http://lists.xensource.com/archives/html/xen-devel/2010-05/msg00441.html) 
to Xen 4.0.2-rc1-pre. VGA Passthrough to Windows 7 Enterprise 90-day 
Trial is *partially* successful only. As for Windows XP Home Edition, it 
boots up with a garbage screen and just hangs there.

I have attached 2 screenshots showing the error pertaining to NVIDIA 
Geforce 8400 GS in Device Manager in Windows 7 Enterprise.

The Device Manager dialog box reports that "Windows has stopped this 
device because it has reported problems. (Code 43)" and also "This 
device isn''t using any resources because it has a problem." Please
refer
to attached screenshots.

I have made modifications to the patch file 03_dsdt so that it is 
compatible with my secondary graphics card. Please refer to attached 
patch 03_dsdt.txt.

I am unable to apply the patches from Tobias Geiger''s xen-devel mailing
list thread to Xen 4.1-unstable because pass-through.c reports an error 
during compilation (make tools).

Please advise accordingly.

Thank you very much for your kind attention.

-- 
Yours sincerely,

Singapore Citizen Mr. Teo En Ming (Zhang Enming) 张恩鸣 Dip(Mechatronics)
BEng(Hons)(Mechanical Engineering)
Singapore Identity Card No.: S78*6*2*H
Location: Bedok Reservoir Road, Singapore
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Alma Maters:
[1] Singapore Polytechnic (Graduated 1998)
[2] National University of Singapore (Graduated 2006)
My Open Letter (Plea for Medical Help/Assistance) to World Leaders (Updated 28
August 2010):-
http://lists.mcs.anl.gov/pipermail/mpich-discuss/2010-August/007811.html
http://mythtv.org/pipermail/mythtv-users/2010-August/295952.html
http://archives.gentoo.org/gentoo-user/msg_f6a341d9623fda17880159b137c07335.xml
Photograph of Singapore Citizen Mr. Teo En Ming (Zhang Enming) 张恩鸣 #1:
http://i.imgur.com/M1FNX.jpg
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Photograph of Singapore Citizen Mr. Teo En Ming (Zhang Enming) 张恩鸣 #4:
http://www.merrypic.com/files/o397beqo7qw8wky5rjno.jpg
Photograph of Singapore Citizen Mr. Teo En Ming (Zhang Enming) 张恩鸣 #5:
http://piczasso.com/i/yicuz.jpg
Photograph of Singapore Citizen Mr. Teo En Ming (Zhang Enming) 张恩鸣 #6:
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