Reading the comments this sounds like it might have been an issue in the Jaunty/9.04 version of virt-manager but fixed in Karmic/9.10. Jaunty would be no longer supported, so I close this as fix-released.
** Changed in: libvirt (Ubuntu) Status: Triaged => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/457092 Title: starting a VM with an SDL display hangs virtmanager and virsh To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/457092/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs