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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

Will do.


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