I’ve decided to update my ubuntu 12.04 to 12.10 today.
everything went smoothly, and ubuntu 12.10 has now LVM by default !
I had only 3 things to change compared to http://gro.solexiv.de/2012/08/pci-passthrough-howto/
the Xen grub entry is now “Ubuntu GNU/Linux, with Xen hypervisor” instead of “Xen 4.1-amd64”
the link for qemu is now
ln -s /usr/share/qemu-linaro/qemu /usr/share/qemu
and the HVM loader (in the VM configuration) has moved to /usr/lib/xen-4.1/boot/hvmloader
in addition, I had to blacklist radeon driver, otherwise I have a black screen when booting with Xen.
echo “blacklist radeon” >> /etc/modprobe.d/blacklist.conf
I also load xen-pciback module at startup with
echo “xen-picback” >> /etc/modules
and that’s all. (updates took me less than 30min waoww !).