--- src/VBox/Runtime/r0drv/freebsd/memobj-r0drv-freebsd.c.orig2	2011-12-07 18:15:48.695189924 +0200
+++ src/VBox/Runtime/r0drv/freebsd/memobj-r0drv-freebsd.c	2011-12-07 18:17:35.359192030 +0200
@@ -251,7 +251,7 @@ static int FreeBSDPhysAllocHelper(vm_obj
                 vm_page_free(pPage);
                 vm_page_unlock_queues();
             }
-            VM_OBJECT_LOCK(pObject);
+            VM_OBJECT_UNLOCK(pObject);
             return VERR_NO_MEMORY;
         }
     }