Comment 3 for bug 223993

root@xen:/etc/xen# dpkg -l | grep xen
ii libxen3 3.2.0-0ubuntu10 library interface for Xen, a Virtual Machine
ii libxen3.1 3.1.0-0ubuntu19 library interface for Xen, a Virtual Machine
ii linux-image-2.6.22-14-xen 2.6.22-14.52 Linux kernel image for version 2.6.22 on Thi
ii python-xen-3.2 3.2.0-0ubuntu10 python bindings for Xen, a Virtual Machine M
ii xen-docs-3.2 3.2.0-0ubuntu10 documentation for XEN, a Virtual Machine Mon
ii xen-hypervisor-3.2 3.2.0-0ubuntu10 The Xen Hypervisor for i386 and amd64.
ii xen-image-2.6.19-4-generic-amd64 2.6.19-2ubuntu7 Linux kernel image for version 2.6.19 on x86
ii xen-tools 3.8-4ubuntu4 Tools to manage debian XEN virtual servers
pc xen-utils-3.0 3.0.3-0ubuntu10 XEN administrative tools
pc xen-utils-3.1 3.1.0-0ubuntu19 XEN administrative tools
ii xen-utils-3.2 3.2.0-0ubuntu10 XEN administrative tools
ii xenman 0.6-1ubuntu2 A graphical Xen management tool

I'm running the 3.2 hypervisor. Sorry for the double comment.

root@xen:/etc/xen# uname -a
Linux xen 2.6.19-4-generic-amd64 #2 SMP Thu Apr 5 05:57:13 UTC 2007 x86_64 GNU/Linux

This machine is an "apt-get dist-upgrade" from gutsy.