[fedora-virt] wiki or comparable documentation for dom0 kernel under FC12

[Boris Derzhavets]

> >> Dear list members,
> >>
> >> I was wondering if anyone has documented the necessary steps to end up
> >> with a dom0 kernel under FC12 and ideally X11. I am not afraid of
> >> building xen/libvirt/kernel from source (did so with ubuntu and gentoo
> >> patches) but somehow I must be missing a step somewhere.

http://www.linuxtoday.com/high_performance/2009112800135OSSV

Install xen-3.4.2-2.fc13.src.rpm instead of  xen-3.4.1-5.fc13.src.rpm
Build packages and install Xen . Thet install Libvirt packages as above.
PVOps kernel may be also built via JF's Git Repo.
X11 (but not KMS) should be OK on Radeon and Intel Video Chips from
Devices->Graphics->DRM.

Boris.

--- On Thu, 2/4/10, Pasi Kärkkäinen <pasik at iki.fi> wrote:

From: Pasi Kärkkäinen <pasik at iki.fi>
Subject: Re: [fedora-virt] wiki or comparable documentation for dom0 kernel under FC12
To: "Martin Bach" <development at the-playground.de>
Cc: virt at lists.fedoraproject.org
Date: Thursday, February 4, 2010, 12:39 PM

On Thu, Feb 04, 2010 at 11:07:38AM +0000, Martin Bach wrote:
> Hi Daniel,
> 
> I tried installing Michael's kernel
> (kernel-2.6.31.9-1.2.82.xendom0.fc12.x86_64.rpm + the firmware) but
> still got the below message
> 
> ERROR Internal error: Could not obtain handle on privileged command
> interface (2 = No such file or directory)
> 
> when starting xend as root. A quick uname -a konfirmed I have indeed
> booted from the dom0 kernel.
> 
> Using my favorite search engine I found multiple posts on mailing lists
> regarding this but then users usually booted from the non dom0 kernel.
> 

Please paste your grub.conf.

Do you have evtchn.ko module loaded? xend requires that to work.
It newer pv_ops dom0 kernels it's called xen-evtchn.ko instead.

xen-3.4.2-2 rpms should take care of loading the correct driver automatically.

-- Pasi

> Regards,
> 
> Martin
> 
> On 02/04/2010 10:53 AM, Daniel P. Berrange wrote:
> > On Thu, Feb 04, 2010 at 10:51:33AM +0000, Martin Bach wrote:
> >> Dear list members,
> >>
> >> I was wondering if anyone has documented the necessary steps to end up
> >> with a dom0 kernel under FC12 and ideally X11. I am not afraid of
> >> building xen/libvirt/kernel from source (did so with ubuntu and gentoo
> >> patches) but somehow I must be missing a step somewhere.
> > 
> > There are community Dom0 kernels prebuilt
> > 
> > http://myoung.fedorapeople.org/dom0/
> > 
> > 
> > The Xen hypervisor & userspace are already in Fedora repos, and libvirt
> > has it enabled too.
> > 
> > Daniel
> 
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