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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)


  • To: "Tobias Geiger" <tobias.geiger@xxxxxxxxx>, "Teo En Ming (Zhang Enming)" <singapore.mr.teo.en.ming@xxxxxxxxx>
  • From: <djmagee@xxxxxxxxxxxx>
  • Date: Tue, 27 Mar 2012 12:07:57 -0400
  • Cc: xen-devel@xxxxxxxxxxxxx
  • Delivery-date: Tue, 27 Mar 2012 16:08:30 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xen.org>
  • Thread-index: Ac0MKkj6tqFmarV8Rga1h0Ut4eBWKQACNUJg
  • Thread-topic: [Xen-devel] Dear Tobias Geiger, I Need Help with Xen VGA Passthrough to Windows 8 Consumer Preview/ XP (Xen 4.2-unstable)

> -----Original Message-----
> From: xen-devel-bounces@xxxxxxxxxxxxx [mailto:xen-devel-
> bounces@xxxxxxxxxxxxx] On Behalf Of Tobias Geiger
> Sent: Tuesday, March 27, 2012 10:54 AM
> To: Teo En Ming (Zhang Enming)
> Cc: xen-users@xxxxxxxxxxxxx; Ren,Yongjie; David TECHER; Zhang,Xiantao;
> xen-devel@xxxxxxxxxxxxx
> Subject: Re: [Xen-devel] Dear Tobias Geiger,I Need Help with Xen VGA
> Passthrough to Windows 8 Consumer Preview/ XP (Xen 4.2-unstable)
> 
> i can only say for sure that it works with a "Radeon HD 6970" - thats
> what i'm
> using. stay away from dual-gpu cards, they have a more complex pci-bus
> structure which may not work when passed-through.
> The newer 7XXX may also work, i also think i read something about 5XXX
> cards
> working - but don't take any older ones.

I've had a working configuration for a few months now with a 4770.

> that said i can only tell for sure it works with the mentioned 6970 -
> simply
> because i haven't tested any other cards yet myself.
> 
> regarding the patches - they should be the same, as he claims somewhere
> that
> he took mine and forward-ported them to a then recent xen version.
> 
> With the ati card above you don't need any patches at all. none from
> david
> techer, none from ati. pure vanilla xen (4.X or unstable) is enough.

However, this configuration lacks the VBIOS passthrough, so one needs to use 
VNC to install the drivers.  There is an old patch floating around that does 
ATI bios passthrough, but it  would need to be forward ported.  That being 
said, I never cared too much, since I can't use my passthrough'd USB keyboard 
to do anything in the guest until an OS loads with USB support.

Hmmm, actually, I wonder if seabios supports USB keyboards...

> 
> Greetings
> Tobias
> 
> 
> Am Dienstag, 27. März 2012, 16:07:06 schrieb Teo En Ming (Zhang
> Enming):
> > Dear Tobias Geiger,
> >
> > One final request from me: Can you check whether the Xen VGA
> Passthrough
> > patches hosted at David TECHER's official blog are the same as yours?
> >
> > David Techer told me it's a NVIDIA driver issue, which I don't think
> so.
> > I seriously wonder what's wrong with the glitch. I am using NVIDIA
> > driver version 296.17 for Windows 8 Consumer Preview.
> >
> > Xen VGA Passthrough to Windows 8 Consumer Preview: I can watch
> Youtube
> > videos with audio/sound and surf the internet as well. But I just
> can't
> > run 3d graphics benchmarks. Only 2d graphics benchmarks can be run.
> >
> > By the way, I have only recently bought this Palit NVIDIA Geforce
> 8400
> > GS at SGD$44. If I buy an ATI card, what would you recommend that is
> > CHEAP? Must be PCI Express x16. Then do you think the Xen VGA
> > Passthrough patches are necessary any more?
> >
> > Please refer to the computer hardware pricelist here
> > http://www.fuwell.com.sg/uploads/misc/Fuwell240312.pdf and recommend
> me
> > a cheap ATI card. Preferably SGD$50.
> >
> > Finally, Xen VGA Passthrough to Windows XP Home Edition also has the
> > yellow exclamation mark glitch with NVIDIA Geforce 8400 GS. With Xen
> > 4.2-unstable.
> >
> > Thank you very much.
> >
> > > Hi Teo,
> > >
> > > sorry to hear that it didn't help.
> > >
> > > Unfortunatly thats all the hints i'm able to give you - from now on
> > > you're out there alone so to speak :)
> > >
> > > Good luck - or (even on the danger of repeating myself:) just buy
> an ATI
> > > card...
> > >
> > > Greetings
> > > Tobias
> > >
> > > Am Dienstag, 27. März 2012, 15:10:00 schrieb Teo En Ming (Zhang
> Enming):
> > >> On 27/03/2012 19:55, Teo En Ming (Zhang Enming) wrote:
> > >>> Dear Tobias Geiger,
> > >>>
> > >>> Thank you for reading through my Xen VGA Passthrough Version 1.6
> > >>> documentation.
> > >>>
> > >>> I am now trying out your suggestion, i.e. expose the 4th memory
> range.
> > >>> When I refer to David Techer's official blog and his emails, he
> only
> > >>> mention the first 3 memory ranges. When I asked David Techer what
> > >>> about the 4th memory range, he said nothing.
> > >>>
> > >>> Let's hope I get lucky and get the yellow exclamation mark with
> NVIDIA
> > >>> Geforce 8400 GS (ie Xen VGA Passthrough to Windows 8 Consumer
> Preview
> > >>> *PARTIAL* success) FIXED.
> > >>>
> > >>> By the way, what is the problem with my Xen WIKI? Xen.org
> > >>> administrator Mr. Lars Kurth edited my Xen Wiki pages for me.
> > >>>
> > >>> If it works, I will have Xen VGA Passthrough Version 1.7
> documentation
> > >>> and FINAL as well.
> > >>>
> > >>> Thank you very much for reading through my documentation and
> giving me
> > >>> suggestions. I hope it works now.
> > >>
> > >> Dear Tobias Geiger,
> > >>
> > >> I have just exposed the 4th memory region, patched dsdt.asl,
> recompiled
> > >> and reinstalled Xen 4.2-unstable but IT STILL DOESN'T WORK. There
> is
> > >> still a yellow exclamation mark besides NVIDIA Geforce 8400 GS in
> Xen
> > >> VGA Passthrough to Windows 8 Consumer Preview.
> > >>
> > >> I still cannot run 3d graphics benchmarks. Only 2d graphics
> benchmarks
> > >> can run.
> > >>
> > >> Please read through my Xen VGA Passthrough Version 1.6
> documentation
> > >> again to see if there are any mistakes. Please. Please. Please. I
> want
> > >> to fix that glitch. Any more ideas?
> > >>
> > >> I hope some expert engineers at Intel Corporation (Han Weidong,
> Zhang
> > >> Xiantao, and Ren Yongjie) can fix this glitch with Xen VGA
> Passthrough
> > >> to Windows 8 Consumer Preview. They are after all the original
> > >> authors/developers who wrote the Xen VGA Passthrough patches. But
> Han
> > >> Weidong has left Intel Corp, I think. He was still at Intel 3
> years ago.
> > >>
> > >> Thank you very much. Eagerly awaiting your reply.
> 
> 
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxx
> http://lists.xen.org/xen-devel

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