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Re: [Xen-devel] Dear Tobias Geiger, I Need Help with Xen VGA Passthrough to Windows 8 Consumer Preview / XP (Xen 4.2-unstable)

Dear Teo,

i mean your problem is know, but no known solution exists.
That doesn't mean there is no solution, it just means nobody found one yet :)

It's spoken/written out many places (xen-devel/xen-users) that VGA passthrough 
with nvidia works ok with windows xp, but not with windows versions higher 
than xp. but it works with ati. 

to get to the actual problem:
you could try to also expose the "0xd30...- 0xd307fff" acpi regions.
no idea if that helps in any way i just saw that this is the only region 
you're not mentioning in the patched dsdt.asl

good luck - but please try to accept the fact that nobody _knows_ the solution 
to your problem (well at least nobody i know of).

and about the pdf/wiki - ah... forget it


Am Dienstag, 27. März 2012, 12:46:39 schrieb Teo En Ming (Zhang Enming):
> Dear Tobias Geiger,
> You mean my problem cannot be solved at all (as regards to the yellow
> exclamation mark with NVIDIA Geforce 8400 GS and CANNOT run 3D graphics
> benchmarks)? I _DO NOT_ have this problem back when I was doing Xen VGA
> Passthrough to Windows XP HVM domU with Xen 3.5-unstable. Yes, 3 years
> ago, back in the year 2009, with Xen 3.5-unstable. Back when Han Weidong
> was still around in Intel Corporation.
> I am surprised that you are unable to open my Xen VGA Passthrough
> Version 1.6 PDF documentation. I have tried opening the file attachment
> myself and it is not empty.
> To solve the problem with your email client, I am providing the Xen Wiki
> link to my Xen VGA Passthrough Version 1.6 PDF documentation.
> Xen WIKI link:
> http://wiki.xen.org/wiki/Xen_VGA_Passthrough_to_Windows_8_Consumer_Preview_
> 64-bit_English_HVM_domU_and_Windows_XP_Home_Edition_SP3_HVM_domU_with_Xen_4
> .2-unstable_Changeset_25070_and_Linux_Kernel_3.3.0_in_Ubuntu_11.10_oneiric_
> ocelot_amd64_Final_Release_Dom0
> You can also watch a Youtube video of my partially successful Xen VGA
> Passthrough to Windows 8 Consumer Preview HVM virtual machine.
> Xen WIKI link:
> http://wiki.xen.org/wiki/Video:_Xen_VGA_Passthrough_to_Windows_8_and_Ubuntu
> _11.10_with_Xen_4.2_and_Kernel_3.3
> Please do help to read through my Xen VGA Passthrough Version 1.6
> documentation to see if there are any mistakes, *_ESPECIALLY MMIO BARS
> pBAR:vBAR 1:1 mapping._*
> Thank you very much for your prompt response and kind assistance.
> > Dear Teo,
> > 
> > your problem is "known". unfortunatly no "known" solution exists.
> > of course you can try to find one - but that involves much try-and-error
> > on your side.
> > The "easy" solution would be: replace your NVIDIA card with a recent ATI
> > one.
> > 
> > Besides the fact that i can't open your PDF (empty file...) it's really
> > really annoying - for various reasons; first: nobody can edit the PDF
> > except you. second: now your pdf is stored in thousands of mailboxes in
> > various versions - if it were a wiki-article or anything else web-based,
> > it would be there only once. i love things which have a definite
> > place...
> > please consider the suggestion many others already made to bring your
> > good intended documentation effort to a technical state and place where
> > everybody has the maximum profit of it: WIKI
> > 
> > Thanks and Greetings to Singapore!
> > Tobias
> > 
> > Am Dienstag, 27. März 2012, 11:48:25 schrieb Teo En Ming (Zhang Enming):
> >> Dear Tobia Geiger and Xen users and developers,
> >> 
> >> My Xen VGA Passthrough to Windows 8 Consumer Preview and Windows XP HVM
> >> domU is only *_partially_* successful. There is a yellow exclamation
> >> mark besides NVIDIA Geforce 8400 GS in Device Manager. Device Manager
> >> reports:
> >> 
> >> Windows has stopped this device because it has reported problems. (Code
> >> 43)
> >> 
> >> This device isn't using any resources because it has a problem.
> >> 
> >> I suspect the above problem has to do with MMIO BARs pBAR:vBAR 1:1
> >> mapping.
> >> 
> >> Could you read through my attached "Xen VGA Passthrough - Version
> >> 1.6.pdf" documentation carefully to see if there are any mistakes in
> >> this area? Of concern are Sections 3, 4, and 6 in my Xen VGA Passthrough
> >> documentation.
> >> 
> >> I am using Xen 4.2-unstable changesets 25070 and 25099 and Linux Kernel
> >> 3.3.0.
> >> 
> >> Thank you very much for your kind assistance.

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