VMBuilder should definitely handle this more gracefully, but your
particular problem is that the libvirt uri you are passing is wrong.
It's supposed to be qemu:///system (three slashes, not two).
--
Soren Hansen
Ubuntu Developer
http://www.ubuntu.com/
--
ubuntu-vm-builder crashes over non-exist
Public bug reported:
> sudo TMPDIR=tmp ubuntu-vm-builder kvm lucid -d ubuntu --libvirt=qemu://system
> --lang=de_DE.UTF-8 --addpkg=openssh-server --ssh-key
> /home/allo/.ssh/id_rsa.pub --network=nat_all
2010-08-02 20:07:32,458 INFO: Calling hook: preflight_check
2010-08-02 20:07:32,460 INFO