XEN and Dapper

MJang mike at mommabears.com
Thu Sep 14 23:07:57 UTC 2006

On Thu, 2006-09-14 at 13:45 -0700, MJang wrote:
> On Thu, 2006-09-14 at 12:58 -0700, Clint Tinsley wrote:
> > > As soon as I try to start a DomU (WINXP): xm create winxp
> > > 
> > > everything freezes, no error messages, this needs a reboot.
> > 
> > To my knowledge, WINXP will not run on XEN as a DomU or any other Domain.  I have heard that it will work when the new Intel chips that support an on chip virtualization architecture but until then, not going to work.
> Quite right, there are three prerequisites for installing an unmodified
> OS such as WinXP via Xen.
> 1) A CPU that supports VT (or AMD's SVM), per
> http://wiki.xensource.com/xenwiki/HVM_Compatible_Processors
> 2) A compatible motherboard
> 3) Support from the manufacturer, usually in a BIOS setting where you
> can enable VT.

I should add that some manufacturers have disabled VT, even in hardware
that would otherwise support it. For example, I've been told that HP
disables VT on all of their laptop computers.

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