Date: Tue, 10 Feb 2009 03:23:00 +0100 From: Julian Stecklina <js@alien8.de> To: freebsd-xen@freebsd.org Subject: Re: Xen in Virtual Machine? Message-ID: <878wofghdn.fsf@tabernacle.lan> References: <87d4drxuvn.fsf@tabernacle.localnet> <1234213751.28262.3.camel@phoenix.blechhirn.net> <3c1674c90902091328t45ce61b4q96fff69b52101a65@mail.gmail.com> <878wofxh6p.fsf@tabernacle.localnet> <3c1674c90902091730k71b4075bqb9a4746d684bc6e5@mail.gmail.com>
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Kip Macy <kmacy@freebsd.org> writes: > On Mon, Feb 9, 2009 at 4:35 PM, Julian Stecklina <js@alien8.de> wrote: >> Kip Macy <kmacy@freebsd.org> writes: >> >> I'll try VMWare. Thanks for the advice. I am still puzzled why Xen >> presents such a problem for hardware-virtualization based VMMs. Maybe >> the virtualization guys at our university can clear that up... >> > > 32-bit Xen uses segments in an unusual way. They may not be > implementing emulation support for this correctly. Do you mean using additional protection rings? Yes, no one does that except Xen. Regards, -- Julian Stecklina Well, take it from an old hand: the only reason it would be easier to program in C is that you can't easily express complex problems in C, so you don't. - Erik Naggum (in comp.lang.lisp)
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