There was a regression in a recent kernel upgrade, which was promptly fixed. If you update to the latest version available, it should work.
For details, see: https://wiki.ubuntu.com/IncidentReports/2010-06-03-kernel-kvm-security-update-breaks-lucid-kvm Marking as FixReleased, please set back to New if updating doesn't fix it. ** Changed in: libvirt (Ubuntu) Status: New => Fix Released -- unable to connect to guest via vnc client https://bugs.launchpad.net/bugs/589388 You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to libvirt in ubuntu. -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs