[Bug 378240] Re: Please merge xen-3.4 (3.4.0-2) from debian unstable

[Thiago Martins]

Hi!

 I'm running the Xen 4.0.0-rc8 with Linux 2.6.32.10 as dom0 using the new paravirt_ops on top of Ubuntu Lucid 10.4 64bits.
 Also I have the composite window manager on top of the Xen! With full 3D support!

 To achieve this I do:

1- Install your Ubuntu Desktop 10.4 beta1 and upgrade your system;

1.1 - Install some packages:

 aptitude install build-essential libncurses5-dev dpkg-dev debhelper
fakeroot

2- Download and install a new kernel with dom0 pv_ops enabled:

 sudo -s
 cd /usr/src
 git clone git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen.git linux-2.6-xen
 cd linux-2.6-xen
 git pull
 git reset --hard
 git checkout -b xen/stable origin/xen/stable
 git pull

2.1 - Download the kernel config file attached to this mail (config-for-
xen-2.6.32.10-pvops):

 Copy the config file to the kernel source dir:

 cp ~Downloads/config-for-xen-2.6.32.10-pvops
/usr/src/linux-2.6-xen/.config

 You can see the differences of my config file against the Lucid one:

 diff /boot/config-2.6.32-17-generic ~Downloads/config-for-
xen-2.6.32.10-pvops | vim -

 ...both are close to each other.

2.2 Configure, compile and install:
 
 make menuconfig # Enable the dom0 support and the Xen backend/frontend/xenfs stuffs...
 make
 chmod g-s /usr/src -R     # To avoid the error: "dpkg-deb: control directory has bad permissions 2755 (must be >=0755 and <=0775)"
 make dep-pkg
 dpkg -i ../linux-image*2.6.32.10*.deb
 depmod 2.6.32.10
 update-initramfs -c -k 2.6.32.10
 update-grub
 echo "xen-evtchn" >> /etc/modules

 Now you can try your new kernel without Xen, if you want, it should
work smootly.

3- Download and install the latest Xen:

 Preparing your environment:

 apt-get build-dep xen-3.3
 aptitude install uuid-dev iasl texinfo

 Download and compile:

 cd /usr/src
 hg clone -r 4.0.0-rc8 http://xenbits.xensource.com/xen-unstable.hg
 cd xen-unstable.hg
 make xen
 make tools
 make stubdom
 make install-xen
 make install-tools PYTHON_PREFIX_ARG=
 make install-stubdom

 update-rc.d xend defaults 20 21
 update-rc.d xendomains defaults 21 20

4- Configuring your Grub2 through the file /etc/grub.d/40_custom:

---- cut here ----
#!/bin/sh
exec tail -n +3 $0
# This file provides an easy way to add custom menu entries.  Simply type the
# menu entries you want to add after this comment.  Be careful not to change
# the 'exec tail' line above.
menuentry "Xen 4.0.0-rc8 / Ubuntu 10.4 kernel 2.6.32.10 pvops" {
insmod ext2
set root=(hd0,1)
multiboot (hd0,1)/xen-4.0.0-rc8.gz dummy=dummy
module (hd0,1)/vmlinuz-2.6.32.10 dummy=dummy root=/dev/mapper/HyperDeskVG01-tcmc--dell--lucid ro
module (hd0,1)/initrd.img-2.6.32.10
}
---- cut here ----

 Don't forget to change your "root=" option of your Linux!

 Run update-grub again:

 update-grub

5- Reboot into your new dom0!

 reboot

6- Look if your Xen is up and running

 xm list
 xm info

 .. if not:

/etc/init.d/xendomains stop
/etc/init.d/xend stop
/etc/init.d/xend start
/etc/init.d/xendomains start

 xm list
 xm info

-
 Cheers!
 Thiago

** Attachment added: "kernel config file for Xen (paravirt_ops)"
   http://launchpadlibrarian.net/42059969/config-for-xen-2.6.32.10-pvops

-- 
Please merge xen-3.4 (3.4.0-2) from debian unstable
https://bugs.launchpad.net/bugs/378240
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Status in “xen-3.3” package in Ubuntu: Confirmed

Bug description:
 xen-3  (3.4.0-2) unstable; urgency=low

   * Add symbols file for libxenstore3.0. (closes: #536173)
   * Document that ioemu is currently unsupported. (closes: #536175)
   * Fix location of fsimage plugins. (closes: #536174)

 -- Bastian Blank <waldi at debian.org>  Sat, 18 Jul 2009 18:05:35 +0200
xen-3 (3.4.0-1) unstable; urgency=low

   [ Bastian Blank ]
   * New upstream version.
   * Remove ioemu for now. (closes: #490409, #496367)
   * Remove non-pae hypervisor.
   * Use debhelper compat level 7.
   * Make the init script start all daemons.

 -- Bastian Blank <waldi at debian.org>  Tue, 30 Jun 2009 22:33:22 +0200