> Are you sure that libvirt 0.9.3 and before had VirtualBox support > compiled in? If not then VirtualBox can not supersede QEMU in the > autodetection. That might explain it, but I don't see how that can > happen apart from you explicitly disabling VirtualBox support at > configure time. libvirt 0.9.3: configure:57866: Drivers configure:57868: configure:57870: Xen: no configure:57872: QEMU: yes configure:57874: UML: yes configure:57876: OpenVZ: yes configure:57878: VMware: yes configure:57880: VBox: yes configure:57882: XenAPI: no configure:57884: xenlight: no configure:57886: LXC: yes configure:57888: PHYP: no configure:57890: ESX: no configure:57892: Test: yes configure:57894: Remote: yes configure:57896: Network: yes configure:57898: Libvirtd: yes configure:57900: netcf: no configure:57902: macvtap: yes configure:57904: virtport: yes libvirt 0.9.3 + git (yesterday's) configure:58371: Drivers configure:58373: configure:58375: Xen: no configure:58377: QEMU: yes configure:58379: UML: yes configure:58381: OpenVZ: yes configure:58383: VMware: yes configure:58385: VBox: yes configure:58387: XenAPI: no configure:58389: xenlight: no configure:58391: LXC: yes configure:58393: PHYP: no configure:58395: ESX: yes configure:58397: Test: yes configure:58399: Remote: yes configure:58401: Network: yes configure:58403: Libvirtd: yes configure:58405: netcf: no configure:58407: macvtap: yes configure:58409: virtport: yes (Hmm. Picked up ESX meanwhile.) Best, Whit