On Fri, 2009-03-20 at 16:54 +0100, William John Murray wrote: > Would you think virt-manager is the culprit? I see nothing suspicious > in the log file > there. Or kvm? or libvirt? It sounds like it's most likely a kvm bug - if it causes a host kernel oops, then the most important thing is to get the full trace of that oops. Cheers, Mark.