I think this was your pastebin? http://pastebin.com/LbNZPtya libguestfs: trace: set_autosync true libguestfs: trace: set_autosync = 0 libguestfs: trace: launch qemu: could not load kernel '/var/tmp/.guestfs-1000/kernel.6941': Permission denied libguestfs: trace: launch = -1 (error) Traceback (most recent call last): File "get_result.py", line 3, in <module> guest_disk = DiskOperations("PYTI.vdi") File "/usr/local/lib/python2.7/dist-packages/pyti/vmanager/diskhandler.py", line 20, in __init__ self.disk_fs.launch() File "/usr/lib/pymodules/python2.7/guestfs.py", line 188, in launch return libguestfsmod.launch (self._o) RuntimeError: unexpected end of file when reading from daemon libguestfs: trace: close The problem is almost certainly this bug in Ubuntu: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/759725 Rich. -- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones virt-p2v converts physical machines to virtual machines. Boot with a live CD or over the network (PXE) and turn machines into Xen guests. http://et.redhat.com/~rjones/virt-p2v