Panic String: vm_page_insert: page already inserted #2 0xffffffff808ffa47 in panic (fmt=0x1 <Address 0x1 out of bounds>) at /stub/src/sys/kern/kern_shutdown.c:642 #3 0xffffffff80bdde24 in vm_page_insert (m=0xfffffe007e1797f8, object=0xfffffe003b23a658, pindex=4089) at /stub/src/sys/vm/vm_page.c:915 #4 0xffffffff819586d0 in rtR0MemObjFreeBSDContigPhysAllocHelper () from /boot/modules/vboxdrv.ko #5 0xffffffff81958796 in rtR0MemObjFreeBSDPhysAllocHelper () from /boot/modules/vboxdrv.ko Earlier stacks: 3x rtR0MemObjFreeBSDAllocPhysPages, rtR0MemObjNativeAllocPhysNC 1x rtR0MemObjFreeBSDAllocHelper, rtR0MemObjNativeAllocLow Fix: No idea. Probably either a problem in vboxdrv.ko or a problem in 9.2-STABLE, since all panic reports involve both of these.
I just hit this with 9.3
Duplicate of Bug 187580 *** This bug has been marked as a duplicate of bug 187580 ***