[fedora-virt] bzImage dom0 kernel support in latest rawhide Xen packages

Jan ONDREJ (SAL) ondrejj at salstar.sk
Wed Feb 4 12:16:28 UTC 2009

> > On Tue, Feb 3, 2009 at 6:24 PM, Pasi Kärkkäinen <pasik at iki.fi> wrote:
> > > Hello!
> > >
> > > For those interested in testing pv_ops dom0 kernels it seems latest Xen
> > > packages in rawhide contain bzImage dom0 kernel support in Xen hypervisor.

I am trying to compile current 2.6.29 kernel (as described here:
http://wiki.xensource.com/xenwiki/XenParavirtOps), but without success yet.

When trying to boot ./vmlinux ro ./arch/x86/boot/bzImage (also with
xen-hypervisor-3.3.1-3.fc11) I still get something like this:

(XEN) elf_xen_note_check: ERROR: Will only load images built for the generic
loader or Linux images

My grub.conf entry:
title Xen TEST
        root (hd0,0)
        kernel /boot/xen-3.3.gz noreboot
        module /boot/xen/vmlinux root=/dev/sda1 ro earlyprintk=xen pci=nomsi
        module /boot/xen/initrd.img

[root at note ~]# file /boot/xen-3.3.gz /boot/xen/vmlinux /boot/xen/initrd.img /boot/xen/bzImage
/boot/xen-3.3.gz:     gzip compressed data, from Unix, last modified: Tue Feb  3 12:36:39 2009, max compression
/boot/xen/vmlinux:    ELF 32-bit LSB executable, Intel 80386, version 1 (SYSV), statically linked, stripped
/boot/xen/initrd.img: gzip compressed data, from Unix, last modified: Wed Feb  4 12:00:01 2009, max compression
/boot/xen/bzImage:    Linux kernel x86 boot executable RO-rootFS, swap_dev 0x2, Normal VGA
[root at note ~]# rpm -q xen-hypervisor
[root at note ~]# 

My bzImage boots well with modified grub to boot it as "kernel" and not
using xen-3.3 loader.

What I am doing wrong?
Can sombody send me kernel.config file for 2.6.29, something similar to old
kernel-xen rpm package's config?


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