Date: Sun, 28 Oct 2007 13:44:44 -0700 From: "Kip Macy" <kip.macy@gmail.com> To: kps@ucsb.edu Cc: =?ISO-8859-1?Q?Dag-Erling_Sm=F8rgrav?= <des@des.no>, Vincent Blondel <vincent@xtra-net.org>, freebsd-current@freebsd.org, Harrison Grundy <astrodog@gmail.com>, Erik Osterholm <freebsd-lists-erik@erikosterholm.org> Subject: Re: Xen Status : FreeBSD-current as Dom/U. Message-ID: <b1fa29170710281344v2ca3937bh6920889465541198@mail.gmail.com> In-Reply-To: <200710281319.33309.kps@ucsb.edu> References: <48344.172.16.9.1.1192472836.squirrel@www.xtra-net.be> <1193342809.30674.3.camel@localhost> <20071025201857.GC43606@aleph.cepheid.org> <200710281319.33309.kps@ucsb.edu>
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On 10/28/07, Kevin Schmidt <kps@ucsb.edu> wrote: > On Thursday 25 October 2007, Erik Osterholm wrote: > > On Fri, Oct 26, 2007 at 05:06:49AM +0900, Harrison Grundy wrote: > > > On Thu, 2007-10-25 at 12:05 +0200, Dag-Erling Sm=F8rgrav wrote: > > > > "Vincent Blondel" <vincent@xtra-net.org> writes: > > > > > Can somebody indicate me what settings I have to include in > > > > > GENERIC config file so to compile a Xen Dom/U FreeBSD kernel. > > > > > > > > FreeBSD currently does not support running under Xen. > > > > > > I just thought I'd note that you can use Xen with FreeBSD if your > > > processor supports hardware virtualization, I believe. > > > > I have yet to hear any independant verification of this. Anyone > > actually running FreeBSD as a domU with hardware virtualization? > > FWIW, I've tried FreeBSD as an HVM guest on several Linux distros as > Dom0, Xen 3.0 (3.0.3, 3.0.4) and 3.1 (3.1.0), using Xen packages and > manual compiles. Linux distros included Ubuntu 7.04 and Debian 4. > FreeBSD 6.2 and 7.0 -- release and snapshots -- consistently fail to > boot with a looping "BTX halted" and register dump. If there's a way > to install stock FreeBSD under Xen HVM, I haven't seen it. Without > saying whether this is properly a Xen problem or FBSD BTX problem, my > guess is this type of installation will not work until there are BTX > changes. It is obviously inadequate emulation on HVM's part. It would be interesting to see how this fared on SVM, but on VT-x one needs to emulate real mode and what exists there now is somewhat limited. This worked very briefly a few years ago. HVM's primary target is running windows. -Kip
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