diff --git a/src/osg/CullStack.cpp b/src/osg/CullStack.cpp
index efdb0038f..91b177062 100644
--- a/src/osg/CullStack.cpp
+++ b/src/osg/CullStack.cpp
@@ -4,13 +4,13 @@ using namespace osg;
 
 CullStack::CullStack()
 {
-
     _cullingMode = ENABLE_ALL_CULLING;
     _LODBias = 1.0f;
     _smallFeatureCullingPixelSize = 2.0f;
     _frustumVolume=-1.0f;
     _bbCornerNear = 0;
     _bbCornerFar = 7;
+   _currentReuseMatrixIndex=0;
 }
 
 
diff --git a/src/osg/MemoryManager.cpp b/src/osg/MemoryManager.cpp
index 9b6153a9f..6a5096012 100644
--- a/src/osg/MemoryManager.cpp
+++ b/src/osg/MemoryManager.cpp
@@ -169,7 +169,7 @@ sMStats    m_getMemoryStatistics()
     static        bool        alwaysValidateAll      = false;
     static        bool        alwaysLogAll           = false;
     static        bool        alwaysWipeAll          = true;
-    static        bool        checkOnAllocations     = true;
+    static        bool        checkOnAllocations     = false;
     static        bool        checkForUnitialized    = false;
     static        bool        cleanupLogOnFirstRun   = true;
     static    const    unsigned int    paddingSize            = 4;
@@ -269,6 +269,10 @@ sMStats    m_getMemoryStatistics()
                     {
                         checkOnAllocations=true;
                     }
+                    else
+                    {
+                        checkOnAllocations=false;
+                    }
                 }
                 
 
@@ -1010,7 +1014,7 @@ sMStats    m_getMemoryStatistics()
     {
 
         // check that exists allocated units havn't been damaged.
-        if (checkOnAllocations || checkForUnitialized) m_validateAllAllocUnits();
+        if (checkOnAllocations) m_validateAllAllocUnits();
 
         try
         {
diff --git a/src/osgGA/DriveManipulator.cpp b/src/osgGA/DriveManipulator.cpp
index fd0b67d2b..31bd7c834 100644
--- a/src/osgGA/DriveManipulator.cpp
+++ b/src/osgGA/DriveManipulator.cpp
@@ -13,6 +13,8 @@ DriveManipulator::DriveManipulator()
 {
     _modelScale = 0.01f;
     _velocity = 0.0f;
+    _height = 1.0f;
+    _buffer = 1.0f;
     //_speedMode = USE_MOUSE_Y_FOR_SPEED;
     _speedMode = USE_MOUSE_BUTTONS_FOR_SPEED;
 }
diff --git a/src/osgPlugins/osg/GeoSet.cpp b/src/osgPlugins/osg/GeoSet.cpp
index 8cd440c71..0f9dc9635 100644
--- a/src/osgPlugins/osg/GeoSet.cpp
+++ b/src/osgPlugins/osg/GeoSet.cpp
@@ -137,10 +137,11 @@ bool GeoSet_readLocalData(Object& obj, Input& fr)
             if (!fr[1].getInt(capacity)) capacity=100;
             int size = 0;
             int* list = osgNew int [capacity];
-
+            memset(list,0,capacity*sizeof(int));
             while (!fr.eof() && fr[0].getNoNestedBrackets()>entry)
             {
                 int primLength;
+
                 if (fr[0].getInt(primLength))
                 {
 
@@ -150,6 +151,7 @@ bool GeoSet_readLocalData(Object& obj, Input& fr)
                         while(capacity<=size) capacity *= 2;
                         int* oldList = list;
                         list = osgNew int[capacity];
+                        memset(list,0,capacity*sizeof(int));
                         for(int i=0;i<oldCapacity;++i)
                         {
                             list[i] = oldList[i];
diff --git a/src/osgUtil/SceneView.cpp b/src/osgUtil/SceneView.cpp
index 2b6e42cbc..def46c107 100644
--- a/src/osgUtil/SceneView.cpp
+++ b/src/osgUtil/SceneView.cpp
@@ -116,6 +116,7 @@ void SceneView::setDefaults()
 
 void SceneView::init()
 {
+
     _initCalled = true;
 
     if (_sceneData.valid() && _initVisitor.valid())
@@ -138,7 +139,9 @@ void SceneView::app()
     if (!_initCalled) init();
 
 
-
+#ifdef OSG_USE_MEMORY_MANAGER
+    m_validateAllAllocUnits();
+#endif
     //std::cout<<std::endl;
     //std::cout<<std::endl;
     //std::cout<<"*************************** New frame ************"<<std::endl;