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Well, if the kernel your distro is using does not provide /proc/config.gz, try find-ing for "xen*" under /lib

Even if no files are found, there's still the possibility that the Xen support is built into the kernel rather than implemented as modules.

Anyways, I suggest directly asking the maintainers of your distro, if they compiled the kernel with Xen front-end support, and/or for the .config file they used when compiling the kernel.

On Mar 8, 2012 1:34 PM, "Su Zhang" <westlifezs@xxxxxxxxx> wrote:

Pandu,

Thanks for the useful information. However, I couldn't find config.gz in my kernel. Are there any other ways to check if the kernel include Xen frond-end drivers compiled?

Thanks,

On Wed, Mar 7, 2012 at 11:15 PM, Pandu Poluan <pandu@xxxxxxxxxxx> wrote:

A new-enough kernel m ( > 2.6.38 IIRC) *should* have support for Xen PV mode, because Xen front-endÂ support has become part of the kernel; no need to patch.

However, whether a distro's kernel actually was compiled with Xen front-end support... now, that's the question. If you have /proc/config.gz, try see how the kernel was compiled.

If the kernel wasn't compiled with Xen front-end support, you'll have to acquire your distro's kernel sources and configure+compile your own kernel.

Rgds,

On Mar 8, 2012 1:09 AM, "Su Zhang" <westlifezs@xxxxxxxxx> wrote:

Hello community,

I've already installed Xen hypervisor over CentOS 6.0. I am wondering where can I obtain some patched guest OS kernels to get start. It seems that under PV mode, guest kernel needs to be modified (correct me if I am wrong). I am a newbie and have no previous experiences on Xen so any suggestions are appreciated.

Thanks,

--
Su

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--
Su Zhang
Ph.D Candidate
Computing and Information Sciences
Kansas State University

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