Hi, Martin et al This latest version builds fine for me and no panic on kldload vboxdrv.ko uname -a: FreeBSD orion 7.2-STABLE FreeBSD 7.2-STABLE #3 r193905: Wed Jun 10 08:42:33 EDT 2009 root at orion:/usr/obj/usr/src/sys/ORION i386 Thanks for taking the time to port this! -- Glen Barber