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Re: [Xen-users] Xen 3.0.4.1 AMD-V HVM

To: "Petersson, Mats" <Mats.Petersson@xxxxxxx>
Subject: Re: [Xen-users] Xen 3.0.4.1 AMD-V HVM
From: Holger <Age_M@xxxxxx>
Date: Thu, 07 Jun 2007 15:59:23 +0200
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Hi there again ;)

Thanks for the reply, I think I get it now. So the only problem is the Mainboard. Do you think I am in a position to expect Gigabyte to fix this? Is it my right to say "This is an AM2 mainboard, so you have to build this feature into the bios?". I mean, virtualization is a key feature of AM2, right?
I really hope, that I don't have to buy a new mainboard again :-/

Thanks for your detailed explanations ;)
Greetz Holger

Petersson, Mats schrieb:
-----Original Message-----
From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx [mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Holger
Sent: 07 June 2007 14:30
To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-users] Xen 3.0.4.1 AMD-V HVM

Hello Mats,

I think I didn't really get the point in your statement.

"please wait until the processors are available"

This was in reference to the NEW processors that are not yet on the
market - I can't really tell the general public about details of
processors that are not yet available - at least not if I want to
continue working for AMD...
What processors are you talking about?! My AMD AM2 3600+ X2 (65nm) already has the AMD-V feature, right?!? And the Mainboard already has turned off this AMD-V feature, but I want to turn it ON again, right?!

Aha! 65 nm is the Rev G model. I'm not sure, but I think Rev G has the
ability to disable AMD-V. But your BIOS really should have a way to
ENABLE it if that's the case. [Most of the processors currently on the
market are Rev F - I only saw the first Rev G myself the other day,
although I knew of their existance a long time ago]
So, what do I have to do to get HVM support? New CPU? New Mainboard?? Or should I completely switch to Intel Core2Duo?

I'd suggest if Gigabyte isn't helping you (soon), you should invest in a
different motherbaord.
I am completely irritated now :-p

That wasn't my intention. Sorry for that.
Greetz Holger



Petersson, Mats wrote:
-----Original Message-----
From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx [mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Christian Horn
Sent: 07 June 2007 09:14
To: Tony Hoyle
Cc: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-users] Xen 3.0.4.1 AMD-V HVM

On Wed, Jun 06, 2007 at 08:02:38PM +0100, Tony Hoyle wrote:
Yes. Some manufacturers actually do this (especially
laptops). It's
possible a bios upgrade will reenable the option.
Are you sure manufaturers can disable this for AM2-boards?
For intel its well known, but for AMD..
I'll probably be told off for explaining this :-(

Without going into "secrets", yes there is a way to "turn off" AMD-V
with the BIOS, and no, you can't ask for more details
unless you have an
NDA with AMD. It's also not possible to "re-enable it". Although the
BIOS _SHOULD_ allow the enabling/disabling to be "user selectable".

Future versions have a more well-documented way to do this. Again,
unless you have an NDA with AMD, please wait until the
processors are
available, and there will be more details available to everyone.

--
Mats
Christian

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