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Gordan,

I am able to have more than 3-4GB of RAM without any patch. So no patch required! It works both for domU = Linux 64 and domU = Win7 64.

So I was mistaken here.

My domU on XP 64 was locked up (frozen) when game was starting. I had to change my (OR mask 1) value for soft straps so this issue went away.

Whatever driver used it works like a charm.

I set up a new VM for Win7 64 with RAM=8GB (no patch for Xen!). I was able to play 'Remember me' :)

Here is a screenshot

http://img15.hostingpics.net/pics/654044ScreenshotXenSoftmodedQuadro6000Win764.png

I am working on testing games on Wine with (Xen PVONHVM+NVIDIA).

I have great esteem for the work you did/are currently doing. Won't be back to Xen/NVIDIA world without you :)

"GTX 500 series + soldering iron" are for professional guys like you :). Got a GTX 680 at home. I will wait for your next article on your web site before

Please keep us posted about your investigations for e820_host for HVMs

Kind regards.

De : Gordan Bobic <gordan@xxxxxxxxxx>
À : David TECHER <davidtecher@xxxxxxxx>
Cc : "xen-users@xxxxxxxxxxxxx" <xen-users@xxxxxxxxxxxxx>
Envoyé le : Mardi 17 septembre 2013 16h35
Objet : Re: [Xen-users] Xen VGA Passthrough - GTX 480 successfully quadrified to quadro 6000 (softmod) - more than 4GB of RAM for Win XP 64 Bits

On 09/17/2013 01:11 AM, David TECHER wrote:

Good to see somebody else has this working. :)

> Finally I succeeded in
>
> - quadrifying my GTX 480 into a Quadro 6000 ( softmod).
>
> - overpassing the 3-4GB of RAM on Windows XP 64 bits (domU) by applying
> a well known patch for Xen.

Can you elaborate? Are you referring to the 64-bit IOMEM remap or
something else?

> Using nvlfash I had to alter my (OR mask 1) so I could install the
> latest driver for Quadro 6000
> (320.86-quadro-tesla-grid-desktop-winxp-64bit-international-whql.exe).
>
> I noticed that I had to do that else my domU may freez while launching
> Crysis 2.

You mean you needed the latest driver? That's odd - I have used all the
drivers from 320.00 onward and they all worked forme. Or are you saying
you could boot the VM with the card as a GTX480, but the game would lock
up when starting?

I tried getting the GeForce cards to work with VGA passthrough but I
couldn't get it working without quadrifying them. After that everything
has "just worked" as expected.

> Everything works perfectly for the moment.
>
> I was very happy when my domU started without to apply my annoying
> patches for NVIDIA :)

I'm working on making some of those more dynamic for implementing
e820_host for HVMs. Once that is completed it should also ensure
vBAR=pBAR - with a bit of luck this will make GeForce cards work without
quadrifying them.

> I will have a try for a Linux domU tomorrow (Xen PVonHVM + NVIDIA +
> Wine). This is what I want :)

Please, do report back how you get on - I don't think anyone has tried
that before. :)

Gordan

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