ocr: Before: DEVICEN.VXD loads: head VMM mmpeviar first VXD with UNDEFINED_INIT, - ORDER Atter DEVICEN.VXD loads head VMM DEVICEN nudeviot After DEVICEN.VXD initalizes head DEVICEL DEVICE2 VMB DEVICEN a 5 * DEVICENCOde Controt Dispacn: - - * - Devicel ontrol Despatoh Devco2 Conteos Dispatch Figure 1: The VMM maintains a chain of DDBS, updated when a VXD loads or calls Add DDBO