diff --git a/emulators/virtualbox-ose-kmod-legacy/Makefile b/emulators/virtualbox-ose-kmod-legacy/Makefile
index 3297d0cfe35c..c9564778be53 100644
--- a/emulators/virtualbox-ose-kmod-legacy/Makefile
+++ b/emulators/virtualbox-ose-kmod-legacy/Makefile
@@ -7,7 +7,7 @@
 
 PORTNAME=	virtualbox-ose
 DISTVERSION=	3.2.12
-PORTREVISION=	1
+PORTREVISION=	2
 CATEGORIES=	emulators kld
 MASTER_SITES=	http://tmp.chruetertee.ch/ \
 		http://freebsd.unixfreunde.de/sources/ \
diff --git a/emulators/virtualbox-ose-kmod-legacy/files/patch-src-VBox-Runtime-r0drv-freebsd-mp-r0drv-freebsd.c b/emulators/virtualbox-ose-kmod-legacy/files/patch-src-VBox-Runtime-r0drv-freebsd-mp-r0drv-freebsd.c
new file mode 100644
index 000000000000..b089715a27ec
--- /dev/null
+++ b/emulators/virtualbox-ose-kmod-legacy/files/patch-src-VBox-Runtime-r0drv-freebsd-mp-r0drv-freebsd.c
@@ -0,0 +1,79 @@
+--- src/VBox/Runtime/r0drv/freebsd/mp-r0drv-freebsd.c.orig	2010-12-01 18:09:43.000000000 +0100
++++ src/VBox/Runtime/r0drv/freebsd/mp-r0drv-freebsd.c	2011-06-27 16:13:16.000000000 +0200
+@@ -163,17 +163,26 @@
+     /* Will panic if no rendezvouing cpus, so check up front. */
+     if (RTMpGetOnlineCount() > 1)
+     {
+-#if  __FreeBSD_version >= 700000
+-        cpumask_t   Mask = ~(cpumask_t)curcpu;
++#if __FreeBSD_version >= 900000
++        cpuset_t    Mask;
++#elif __FreeBSD_version >= 700000
++        cpumask_t   Mask;
+ #endif
++        RTCPUID     idCpu = curcpu;
+         RTMPARGS    Args;
+ 
+         Args.pfnWorker = pfnWorker;
+         Args.pvUser1 = pvUser1;
+         Args.pvUser2 = pvUser2;
+-        Args.idCpu = RTMpCpuId();
++        Args.idCpu = idCpu;
+         Args.cHits = 0;
+ #if __FreeBSD_version >= 700000
++        Mask = all_cpus;
++#if __FreeBSD_version >= 900000
++        CPU_CLR(idCpu, &Mask);
++#else
++        Mask &= ~((cpumask_t)1 << idCpu);
++#endif
+         smp_rendezvous_cpus(Mask, NULL, rtmpOnOthersFreeBSDWrapper, smp_no_rendevous_barrier, &Args);
+ #else
+         smp_rendezvous(NULL, rtmpOnOthersFreeBSDWrapper, NULL, &Args);
+@@ -203,8 +212,10 @@
+ 
+ RTDECL(int) RTMpOnSpecific(RTCPUID idCpu, PFNRTMPWORKER pfnWorker, void *pvUser1, void *pvUser2)
+ {
+-#if  __FreeBSD_version >= 700000
+-    cpumask_t   Mask = 1 << idCpu;
++#if __FreeBSD_version >= 900000
++    cpuset_t    Mask;
++#elif __FreeBSD_version >= 700000
++    cpumask_t   Mask;
+ #endif
+     RTMPARGS    Args;
+ 
+@@ -218,7 +229,11 @@
+     Args.idCpu = idCpu;
+     Args.cHits = 0;
+ #if __FreeBSD_version >= 700000
++#if __FreeBSD_version >= 900000
++    CPU_SETOF(idCpu, &Mask);
++#else
+     Mask = (cpumask_t)1 << idCpu;
++#endif
+     smp_rendezvous_cpus(Mask, NULL, rtmpOnSpecificFreeBSDWrapper, smp_no_rendevous_barrier, &Args);
+ #else
+     smp_rendezvous(NULL, rtmpOnSpecificFreeBSDWrapper, NULL, &Args);
+@@ -242,13 +257,21 @@
+ 
+ RTDECL(int) RTMpPokeCpu(RTCPUID idCpu)
+ {
++#if __FreeBSD_version >= 900000
++    cpuset_t    Mask;
++#else
+     cpumask_t   Mask;
++#endif
+ 
+     /* Will panic if no rendezvouing cpus, so make sure the cpu is online. */
+     if (!RTMpIsCpuOnline(idCpu))
+         return VERR_CPU_NOT_FOUND;
+ 
++#if __FreeBSD_version >= 900000
++    CPU_SETOF(idCpu, &Mask);
++#else
+     Mask = (cpumask_t)1 << idCpu;
++#endif
+     smp_rendezvous_cpus(Mask, NULL, rtmpFreeBSDPokeCallback, smp_no_rendevous_barrier, NULL);
+ 
+     return VINF_SUCCESS;