An update to this:

We decide to use Xen 3.4.3 Fedora 12 Dom0 with xenified Dom0 kernel.
Xen 3.4.3 works with more kinds of DomUs (F11, F12) while Xen 4.0.0
(and Xen 4.0.1) only works with newer version of kernel in F12.

This solution is tested to be stable. We run distributed parallel
experiments on it (usually 7 DomUs on one physical machine) and it
works well for us.

The "recommended" ones in http://pkill.info/b/2367/xen-solutions/ is
our solution by now. I will also maintain and update this post with
tested solution. Xen 3.4.3 + xenified kernel 2.6.32.13 is quite solid
in our servers:
F12 Dom0: 
http://pkill.info/b/2405/setting-up-stable-xen-dom0-with-fedora-xen-3-4-3-with-xenified-linux-kernel-2-6-32-13-in-fedora-12/
F12 DomU: 
http://pkill.info/b/2256/setting-up-stable-xen-domu-with-fedora-unmodified-fedora-12-on-top-of-xenified-fedora-12-dom0-with-xen-4-0-0/

Hope this info can help the others who want to set up Xen VMs on Fedora.

Thanks.
Zhiqiang

On Tue, Jul 27, 2010 at 1:55 AM, Zhiqiang Ma <cnf...@gmail.com> wrote:
> Hi all,
>
> Our group are using Fedora (We updated the system to Fedora 12
> recently) in our research cluster and we virtualize the computing
> resources using Xen. I have do a lot test and we finally settle on a
> stable Xen solution for our cluster. The test shows it is quite stable
> and we are satisfy with the virtual machine's performance.
>
> We use Xen 4.0.0 and Xenified Linux kernel 2.6.32.13 to set up Dom0
> since Fedora 12 no longer provides kernel form Dom0:
> http://pkill.info/b/2252/setting-up-stable-xen-dom0-with-fedora-xen-4-0-0-with-xenified-linux-kernel-2-6-32-13-in-fedora-12/
>
> Fedora 12's kernel is already pv_ops enabled. We are happy to install
> Fedora 12 in the virtual machine without any special configuration.
> All the packages are from Fedora's repository:
> http://pkill.info/b/2256/setting-up-stable-xen-domu-with-fedora-unmodified-fedora-12-on-top-of-xenified-fedora-12-dom0-with-xen-4-0-0/
>
> I know both the Xen and the kernel are not the most latest ones. But
> the current ones are enough for us.
>
> Please give your comments on this solution. Your suggestions will be
> highly appreciated.
>
> --
> Thanks.
> Eric
>
> ---------------------------------
> Homepage: http://pkill.info/
> Blog: http://pkill.info/b/
> ---------------------------------
>



-- 
Thanks.
Eric

---------------------------------
Homepage: http://pkill.info/
Blog: http://pkill.info/b/
---------------------------------
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