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Date:      Wed, 25 May 2011 11:40:03 +0200
From:      Yann KEMPF <yann.kempf@gmail.com>
Cc:        "freebsd-xen@freebsd.org\"" <freebsd-xen@freebsd.org>
Subject:   Re: Some success, some questions
Message-ID:  <BANLkTik7a5sV_BmQMXM3DpLi=ZTU75QuvQ@mail.gmail.com>
In-Reply-To: <4DDC107E.6080703@barafranca.com>
References:  <1306253763.3340.9.camel@hitfishpass-lx.corp.yahoo.com> <4DDC107E.6080703@barafranca.com>

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It's due to a NetBSD issue. NetBSD doesn't support multiple CPU and Xen
simultaneously.

On Tue, May 24, 2011 at 22:09, Hugo Silva <hugo@barafranca.com> wrote:

> On 05/24/11 17:16, Sean Bruno wrote:
> > I've made some significant progress on the freebsd.org xen hosting
> > machines (no dom0 support yet, but I'm working on it).
> >
> > I've installed a netbsd-current dom0 and the 3.3.2 xen hypervisor on
> > xen1.freebsd.org and started up a freebsd-current DomU with the XENHVM
> > kernel installed.  I've attached the dmesg and the xen config for
> > "xen2.freebsd.org" to this message.
> >
>
> NetBSD now has Xen 4.1 too. Recently committed patches have enabled HVM
> guests to properly detect phy: storage. See recent port-xen (netbsd) for
> more information.
>
> If you're on NetBSD -current and not using LVM, keep in mind that's an
> option too -- even though presently, renaming/destroying lvs doesn't
> work (bin/44947).
>
> > I've been crashing the hypervisor pretty reliably by setting the DomU to
> > use multiple CPUs.  Not sure if this is a Xen or NetBSD thing, but for
> > now i'm leaving vcpus set to 1.
> >
>
> > 1.  How do I switch the networking vif entry to use the netfront xn0
> > driver instead of emulating a e1000?
>
> If using XENHVM, you should see a xn0 interface on ifconfig output. Just
> setup networking there instead.
>
> By coincidence you're also using NetBSD as the dom0, please let us know
> if you hit the same problem I did (see my recent post on this list).
>
> Regards,
>
> Hugo
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