All right, so this comes down to an incompatibility between maverick's versions of libvirt and qemu - libvirt is using QED, but qemu-kvm doesn't yet know about it. The '-drive file=X,if=none device=...' format, in particular, is QED.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/716528 Title: kvm 100% when performing apparently IO operations -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
