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Date: Fri, 12 Sep 2008 16:15:46 -0700
From: "H. Peter Anvin" <hpa@zytor.com>
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       Linus Torvalds <torvalds@linux-foundation.org>,
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Subject: Re: nops in virtual pc x86
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David Sanders wrote:
> And even stranger, the same program won't run on the host OS because of data 
> execution prevention.

Not strange at all.  It means Virtual PC just doesn't handle the NX bit 
right.

> I reported the problem to Microsoft, they say they are aware of it and working 
> on a resolution.

Virtual Server 2007 fixed some of these issues (over VS 2005, which had 
the same problems.)

	-hpa