Rebuilding Etch 2.6.18-6 kernels with up to date Xen Support

The point is to build Debian 2.6.18 packages as they have security
support and driver updates.

Required packages:

mercurial
build-essential
fakeroot
kernel-package
libncurses-dev


First make sure you have a src line for security in /etc/apt-sources

e.g. deb-src http://security.debian.org/ etch/updates main contrib non-free

 apt-get update

then:

apt-get source linux-2.6

cd linux-2.6-2.6.18.dfsg.1
fakeroot debian/rules debian/build debian/stamps

extract a patched source tree with this will give us a 2.6 tree
but without the debian xen patches.

fakeroot make -f debian/rules.gen setup-amd64-none-amd64

or

fakeroot make -f debian/rules.gen setup-i386-none-686

for 32b kernels.


Now we need a Xen patch to apply to our Debian tree.

In a seperate directory run:

# hg clone -r3.1.3-rc1-devel http://xenbits.xensource.com/xen-3.1-testing.hg

or for the most recent/tip:

hg clone  http://xenbits.xensource.com/xen-3.1-testing.hg

cd xen-3.1-testing.hg
make linux-2.6-xen.patch

cd path/to/linux-2.6-2.6.18.dfsg.1/debian/build/build-amd64-none-amd64

or

cd path/to/linux-2.6-2.6.18.dfsg.1/debian/build/build-i386-none-686

run patch -p1 --dry-run < path/to/xen-3.1-testing.hg/linux-2.6-xen.patch

This succeeds here with 2 rejects due to a patch already being in the Debian 
tree if you use the 3.1.3-rc1-devel tag, however with cs:15620
this no longer occurs as the Xen sparse linux tree is now based on 2.6.18.8


Once you are happy run again without the --dry-run

Check to make sure there are not any extra rejects than
just in net/core/skbuff.c

apply any additional patches for instance:
http://bugs.debian.org/cgi-bin/bugreport.cgi?msg=54;filename=patch;att=1;bug=464945
for
http://bugs.debian.org/464945

make menuconfig or otherwise provide a .config file.

Then build the kernel

make-kpkg --rootcmd fakeroot clean
make-kpkg --rootcmd fakeroot kernel_image --revision=whatever

You should now have a kernel deb in ../

Next part building unpackaged xen-3.1 tools and hypervisor.

then 
make -C tools
make -C xen
# check output
sudo make -C xen install
sudo make -C tools install

oh and after installing Xen tools you'll want to : 

update-rc.d xend defaults 20
# we start after xend and close before
update-rc.d xendomains defaults 21 19

For now i am using just building and installing from the Xen source.

I have modified xen-3.1-testing.hg/Makefile to remove the rm lines for
/boot/*xen* and /lib/modules/*xen* 

[Useful References]

Debian Linux Kernel Handbook - 
(http://kernel-handbook.alioth.debian.org/ch-common-tasks.html)

Touched: $Id: howto-xen-debian-kernel-update.txt,v 1.8 2008/02/10 13:46:51 murble Exp murble $

Copyright 2007, 2008 William Boughton.