Fedora 14 has version of Libvirt 0.8.7 and qemu-0.13.0-1 installed via Rawhide Preview Repo. However, straightforward attemptto virt-install Windows 7 on virtio boot device fails to detect device after viostor.sys gets preloaded. It’s a known bug [1]. Actually, thread at Red Hat Bugzilla – Bug 656353 contains required patch , but doesn’t contain any explanation how to rebuild and reinstall required package python-virtinst-0.500.4-1.fc14.noarch.rpm.Detailed workaround for this issue follows bellow.