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List:       opensolaris-xen-discuss
Subject:    RE: [xen-discuss] Re: Installation of  Solaris dom0/domU:
From:       "Wahlig, Elsie" <elsie.wahlig () amd ! com>
Date:       2007-01-15 16:39:20
Message-ID: DDA2F2A63F66834BA8276AC92E6C1779EB27D9 () SAUSEXMB1 ! amd ! com
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A simple way to differentiate which AMD processors that have AMD-V, is
they also all use DDR2 memory, except for those branded Sempron (which
do not have the virtualization extensions). 

Elsie  

-----Original Message-----
From: xen-discuss-bounces@opensolaris.org
[mailto:xen-discuss-bounces@opensolaris.org] On Behalf Of Joe Bonasera
Sent: Tuesday, December 26, 2006 1:00 PM
To: xen-discuss@opensolaris.org
Subject: [xen-discuss] Re: Installation of Solaris dom0/domU:

> Also, while I have people's attention....  ;)
> 
> What is the status of a 32-bit domU running in a 64-bit dom0?  My 
> Desktop runs 64-bit Solaris and I want to be able to run XP in a domU,

> is that going to be a problem?
> 

To run Windows as a domU, you'll need to make use of "HVM" (h/w
virtualization) support in Xen. That means your desktop has to have
either new-ish AMD processors that support AMD-v.
I believe this is any Opteron with a [128]xxx model number, Athlons that
are socket AM2, and  Dual Core Turions). You can also use Recent Intel
processors support VT-x, but I couldn't tell you which do.

We do have the Xen HVM support working internally with OpenSolaris and
it should be usable on our next "release". The next release will happen
we finish integration into main branch of OpenSolaris over the next
couple builds.

Note that 32 on 64 currently only works via HVM. Support for
paravirtualized 32-bit domUs on a 64-bit dom0 is still under
development.

Joe
 
 
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