Re: [Xen-users] Xen VGA Passthrough - GTX 480 successfully quadrified to quadro 6000 (softmod) - more than 4GB of RAM for Win XP 64 Bits

[David TECHER <davidtecher@xxxxxxxx>]

>Can you just clarify something here - you got the GTX480 to work
>with secondary passthrough on a VM with GeForce drivers BEFORE you
>modified it into a Quadro? Or am I misunderstanding this?

 No I was not able to do that.

For temperature problem:

- VM = Windows XP, Windows 7. There is no temperature problem while playing native Windows games. I played Crysis 2 and no temperature problem.

- VM = Linux. This issue occured with this card when playing native Windows games using Wine.

So it occured only for Linux (VM)

---

De : Gordan Bobic <gordan@xxxxxxxxxx>
À : David TECHER <davidtecher@xxxxxxxx>
Cc : xen-users@xxxxxxxxxxxxx
Envoyé le : Mercredi 18 septembre 2013 16h06
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 Wed, 18 Sep 2013 14:15:32 +0100 (BST), David TECHER
<davidtecher@xxxxxxxx> wrote:

> (or mask 1): updated so my issue on my domU ( XP 64) went away --
> when
> Crysis 2 was starting and was locking up --.
>
> Don't ask me why it fixed my issue. I decided to modify the (or mask
> 1) knowing that it could break something for my card. Let's say that
> I
> was lucky :)
>
> I just modified both (or mak 0) and (or mask 1). I just noticed that
> it works. It is enough for me.

Can you just clarify something here - you got the GTX480 to work
with secondary passthrough on a VM with GeForce drivers BEFORE you
modified it into a Quadro? Or am I misunderstanding this?

I never managed an unmodified GeForce card to work in a VM.

> Playing Windows games on a Linux domU using Wine could be problematic
> with a such card. This quadrified card is a GTX 480 -- well known to
> have temperature problems --.

Really? I never noticed any such issues.

> At home I have two GTX 480 cards.
>
> 1) #1 is used actually for my current tests
>
> 2) #2 with _Arctic Cooling Accelero XTREME Plus._ I will try to do
> the
> same tests on this one. This one should fixed temperature problems :)

Odd. Mine is a standard reference design and I hadn't noticed
temperature issues when running Crysis at 3840x2400, which ought to
have exercised it quite thoroughly. And that's with the GTX470/Q5000
in the slot right next to it.

> ------------------
> For e820_host: I am reading your mails on xen-devel list so I am
> updated :)
>
> For GTX 680/GTX 770: it is clear that the 64KB limit is the first
> problem -- primary gfx passthrough --. If you succeeded then keep us
> posted.

Will do.

Gordan

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