Hi, On Wed, Apr 28, 2010 at 12:58:50PM +0000, Andy Smith wrote: The first attempt earlier today seems to have gone well. I started with a clean 8.04 LTS image, did a dist-upgrade to get all the updates, and then followed the instructions at: http://www.ubuntu.com/getubuntu/upgrading#Network%20Upgrade%20for%20Ubuntu%… to upgrade it to 10.04. I allowed it to do everything it wanted to do, but at the end when it wanted to reboot I told it no. I made an /etc/init/hvc0.conf file that looks like this: #----8<--------------------------------------------------------------------- # hvc0 - getty # # This service maintains a getty on hvc0 from the point the system is # started until it is shut down again. start on stopped rc RUNLEVEL=[2345] stop on runlevel [!2345] respawn exec /sbin/getty -8 38400 hvc0 #----8<--------------------------------------------------------------------- I found that update-grub wouldn't find linux-image-2.6.32-21-generic as it kept saying it was a non-Xen kernel while I'm on Xen (probably because at this point I was still booted in the 8.04 Xen kernel) so I made sure there was a manual stanza in /boot/grub/menu.lst that looked like: #----8<--------------------------------------------------------------------- title Ubuntu 10.04 LTS, kernel 2.6.32-21-generic-pae root (hd0,0) kernel /boot/vmlinuz-2.6.32-21-generic-pae root=UUID=d8affdac-b42e-42da-9faf-a54b4ad3a31d ro console=hvc0 initrd /boot/initrd.img-2.6.32-21-generic-pae #----8<--------------------------------------------------------------------- I made sure not to have any clocksource=jiffies of xencons=tty there in the kernel parameters. I then shut down and booted from the xen shell into this kernel and it seems OK so far. After boot I was able to update-grub to get a proper generated menu.lst. This was done on faustino which is Debian Lenny; other servers are older and using backported stuff so it may not work (the same|at all); I still have to test that. The following servers have the same versions of host kernel and Xen stuff so I expect them to work similarly: barbar dunkel faustino So if you are brave you may wish to try this. I would still recommend you put in a support ticket for a snapshot to be done so you can easily roll back should you need to. Alternatively if you're interested in moving to Lucid then for a limited time (and subject to capacity) I am willing to set you up a new Lucid VPS that you can run concurrently with your existing VPS for 2 weeks at no charge, to migrate things over. I'll report back with further findings. Cheers, Andy -- http://bitfolk.com/ -- No-nonsense VPS hosting "When the Opposition's here, you tell them nothing except where the toilets are, and you lie about that." -- Malcolm Tucker

Hello, On Wed, Apr 28, 2010 at 12:58:50PM +0000, Andy Smith wrote: If you're wanting to upgrade to 10.04 and are somehow on a kernel version < 2.6.22 then it won't work because of this: https://bugs.launchpad.net/ubuntu/+source/tar/+bug/539814 (tl;dr version: newer versions of some essential binaries like tar require syscall behaviour only present in kernel 2.6.22+) This will affect very few (probably none) of you, since there should be no way you're running such an old kernel, but I'll say it just in case. It's possible that someone is still on a variant of 2.6.18 from the old days before pygrub let you use your own. If so then your upgrade will fail because you'll reach a point where your 10.04 userland is still running under a kernel that's too old for tar (and other stuff) to work. The fix would be to use a newer kernel, such as the Xen one packaged for Ubuntu 8.04 or Debian Lenny. If you can't because you're still not set up for pygrub, please open a support ticket and let's get that fixed. Cheers, Andy -- http://bitfolk.com/ -- No-nonsense VPS hosting "[Open Source is] like trying to sell human rights to China because it might lead to more effective business models." -- David Kastrup