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Re: [Xen-users] HVM install keeps crashing with Centos 5 virt-install

To: "Fajar A. Nugraha" <fajar@xxxxxxxxxxxxx>
Subject: Re: [Xen-users] HVM install keeps crashing with Centos 5 virt-install
From: Nico Kadel-Garcia <nkadel@xxxxxxxxx>
Date: Tue, 06 Nov 2007 08:55:02 +0000
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Fajar A. Nugraha wrote:
Amos Shapira wrote:
On 06/11/2007, *Fajar A. Nugraha* <fajar@xxxxxxxxxxxxx
<mailto:fajar@xxxxxxxxxxxxx>> wrote:

    Brian Lavender wrote:
    > I am trying to install Redhat 6.2 as an HVM guest. Will this work?
    First, a question. Have you ever tried to install RH 6.2 on a modern
    Intel CPU?
    My guess is it wouldn't work. CPU-wise, Xen will pretty much present
    whatever CPU present at dom0 to domU. Meaning if it crashed on a real
    machine, it would also crash on a HVM guest.

    That being said, I believe the earliest RHEL version certified to
    run as
    HVM guest is RHEL3, and the earliest RHEL version certified to run
    as PV
    guest is 4.5.


Good to know - i've just spend a few days trying (and eventually
succeeding) to install RHEL 4.4 x64 as a PV guest on an Intel Xeon 3050.
Just curious. You DO use RHEL4's kernel-xenU package, and not
CentOS/RHEL 5's kernel-xen for your domU, right? I believe kernel-xen
for RHEL4 is available starting from RHEL 4.5.
Xensource publishes considerably more recent kernel-xen packages than does RedHat, including ones for RHEL 3 and RHEL 4. RedHat doesn't publish a Xen package for RHEL 4, only for RHEL 5, with kernel-xenU packages for RHEL 4. (I didn't look for RHEL 3).

Do you have a sample .cfg file to run an HVM RHEL 4 (on Debian Etch,
Xen 3.0.3)?

No, sorry. Havent' had the need to create one.
says the steps (an therefore config) is the same as installing RHEL5
You wind up with a different kernel, kernel-xenU that is 2.6.9 based, and not kernel-xen which is 2.6.18. They've clearly done some oddnesses to the Anaconda installation tool suite to accomodate Xen. And thee are some fascinating firewall issues with that kernel-xenU in place.

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