Index: emulators/virtualbox-ose/Makefile
===================================================================
--- emulators/virtualbox-ose/Makefile	(revision 466968)
+++ emulators/virtualbox-ose/Makefile	(working copy)
@@ -3,7 +3,7 @@
 
 PORTNAME=	virtualbox-ose
 PORTVERSION=	5.2.8
-PORTREVISION=	1
+PORTREVISION=	2
 CATEGORIES=	emulators
 MASTER_SITES=	http://download.virtualbox.org/virtualbox/${PORTVERSION}/
 DISTFILES=	VirtualBox-${PORTVERSION}${EXTRACT_SUFX} ${GUESTADDITIONS}
Index: emulators/virtualbox-ose/files/patch-src_VBox_HostDrivers_Support_freebsd_SUPDrv-freebsd.c
===================================================================
--- emulators/virtualbox-ose/files/patch-src_VBox_HostDrivers_Support_freebsd_SUPDrv-freebsd.c	(revision 466968)
+++ emulators/virtualbox-ose/files/patch-src_VBox_HostDrivers_Support_freebsd_SUPDrv-freebsd.c	(working copy)
@@ -1,7 +1,30 @@
---- src/VBox/HostDrivers/Support/freebsd/SUPDrv-freebsd.c.orig	2016-07-18 11:56:20 UTC
+--- src/VBox/HostDrivers/Support/freebsd/SUPDrv-freebsd.c.orig	2018-02-26 16:03:24 UTC
 +++ src/VBox/HostDrivers/Support/freebsd/SUPDrv-freebsd.c
-@@ -541,8 +541,7 @@ bool VBOXCALL  supdrvOSGetForcedAsyncTsc
+@@ -44,6 +44,7 @@
+ #include <sys/fcntl.h>
+ #include <sys/conf.h>
+ #include <sys/uio.h>
++#include <sys/smp.h>				/* mp_maxcpus */
  
+ #include "../SUPDrvInternal.h"
+ #include <VBox/version.h>
+@@ -140,6 +141,14 @@ static SUPDRVDEVEXT         g_VBoxDrvFre
+ static int VBoxDrvFreeBSDModuleEvent(struct module *pMod, int enmEventType, void *pvArg)
+ {
+     int rc;
++
++    /* Refuse to load if mp_maxcpus is wrong */
++    if (MAXCPU != mp_maxcpus) {
++	printf("vboxdrv: MAXCPU != mp_maxcpus (%d != %d)\n",
++	    MAXCPU, mp_maxcpus);
++	return EINVAL;
++    }
++
+     switch (enmEventType)
+     {
+         case MOD_LOAD:
+@@ -541,8 +550,7 @@ bool VBOXCALL  supdrvOSGetForcedAsyncTsc
+ 
  bool VBOXCALL  supdrvOSAreCpusOfflinedOnSuspend(void)
  {
 -    /** @todo verify this. */
Index: emulators/virtualbox-ose-kmod/Makefile
===================================================================
--- emulators/virtualbox-ose-kmod/Makefile	(revision 466968)
+++ emulators/virtualbox-ose-kmod/Makefile	(working copy)
@@ -3,7 +3,7 @@
 
 PORTNAME=	virtualbox-ose
 PORTVERSION=	5.2.8
-PORTREVISION=	1
+PORTREVISION=	2
 CATEGORIES=	emulators
 MASTER_SITES=	http://download.virtualbox.org/virtualbox/${PORTVERSION}/
 PKGNAMESUFFIX=	-kmod