diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs b/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
index ee61de6505..e94eceeb6c 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
@@ -112,7 +112,7 @@ namespace OpenSim.Region.Framework.Scenes
         private long timeLastChanged = 0;
         private long m_maxPersistTime = 0;
         private long m_minPersistTime = 0;
-        private Random m_rand;
+//        private Random m_rand;
         private List<ScenePresence> m_linkedAvatars = new List<ScenePresence>();
 
         /// <summary>
@@ -130,6 +130,7 @@ namespace OpenSim.Region.Framework.Scenes
             {
                 if (value)
                 {
+                    
                     if (m_isBackedUp)
                     {
                         m_scene.SceneGraph.FireChangeBackup(this);
@@ -139,19 +140,21 @@ namespace OpenSim.Region.Framework.Scenes
                         timeFirstChanged = DateTime.Now.Ticks;
                     if (m_rootPart != null && m_rootPart.UUID != null && m_scene != null)
                     {
+/*
                         if (m_rand == null)
                         {
                             byte[] val = new byte[16];
                             m_rootPart.UUID.ToBytes(val, 0);
                             m_rand = new Random(BitConverter.ToInt32(val, 0));
                         }
-                       
+ */
                         if (m_scene.GetRootAgentCount() == 0)
                         {
                             //If the region is empty, this change has been made by an automated process
                             //and thus we delay the persist time by a random amount between 1.5 and 2.5.
 
-                            float factor = 1.5f + (float)(m_rand.NextDouble());
+//                            float factor = 1.5f + (float)(m_rand.NextDouble());
+                            float factor = 2.0f;
                             m_maxPersistTime = (long)((float)m_scene.m_persistAfter * factor);
                             m_minPersistTime = (long)((float)m_scene.m_dontPersistBefore * factor);
                         }
@@ -159,8 +162,10 @@ namespace OpenSim.Region.Framework.Scenes
                         {
                             //If the region is not empty, we want to obey the minimum and maximum persist times
                             //but add a random factor so we stagger the object persistance a little
-                            m_maxPersistTime = (long)((float)m_scene.m_persistAfter * (1.0d - (m_rand.NextDouble() / 5.0d))); //Multiply by 1.0-1.5
-                            m_minPersistTime = (long)((float)m_scene.m_dontPersistBefore * (1.0d + (m_rand.NextDouble() / 2.0d))); //Multiply by 0.8-1.0
+//                            m_maxPersistTime = (long)((float)m_scene.m_persistAfter * (1.0d - (m_rand.NextDouble() / 5.0d))); //Multiply by 1.0-1.5
+//                            m_minPersistTime = (long)((float)m_scene.m_dontPersistBefore * (1.0d + (m_rand.NextDouble() / 2.0d))); //Multiply by 0.8-1.0
+                            m_maxPersistTime = m_scene.m_persistAfter;
+                            m_minPersistTime = m_scene.m_dontPersistBefore;
                         }
                     }
                 }
diff --git a/OpenSim/Region/OptionalModules/PrimLimitsModule/PrimLimitsModule.cs b/OpenSim/Region/OptionalModules/PrimLimitsModule/PrimLimitsModule.cs
index 59ff9b8a19..39cabb52b6 100644
--- a/OpenSim/Region/OptionalModules/PrimLimitsModule/PrimLimitsModule.cs
+++ b/OpenSim/Region/OptionalModules/PrimLimitsModule/PrimLimitsModule.cs
@@ -121,34 +121,40 @@ namespace OpenSim.Region.OptionalModules
 
         private bool CanObjectEnter(UUID objectID, bool enteringRegion, Vector3 newPoint, Scene scene)
         {
-            if ((newPoint.X > 257f || newPoint.X < -1f || newPoint.Y > 257f || newPoint.Y < -1f))
+            if (newPoint.X < -1f || newPoint.X > (float)(Constants.RegionSize + 1) ||
+                newPoint.Y < -1f || newPoint.Y > (float)(Constants.RegionSize + 1))
                 return true;
 
             SceneObjectPart obj = scene.GetSceneObjectPart(objectID);
-            Vector3 oldPoint = obj.GroupPosition;
-            int objectCount = obj.ParentGroup.PrimCount;
-            ILandObject oldParcel = scene.LandChannel.GetLandObject(oldPoint.X, oldPoint.Y);
+
+            if (obj == null)
+                return false;
+
+            // Prim counts are determined by the location of the root prim.  if we're
+            // moving a child prim, just let it pass
+            if (!obj.IsRoot)
+            {
+                return true;
+            }
+
             ILandObject newParcel = scene.LandChannel.GetLandObject(newPoint.X, newPoint.Y);
 
             if (newParcel == null)
                 return true;
 
-            int usedPrims = newParcel.PrimCounts.Total;
-            int simulatorCapacity = newParcel.GetSimulatorMaxPrimCount();
+            Vector3 oldPoint = obj.GroupPosition;
+            ILandObject oldParcel = scene.LandChannel.GetLandObject(oldPoint.X, oldPoint.Y);
             
             // The prim hasn't crossed a region boundry so we don't need to worry
             // about prim counts here
-            if(oldParcel.Equals(newParcel))
+            if(oldParcel != null && oldParcel.Equals(newParcel))
             {
                 return true;
             }
 
-            // Prim counts are determined by the location of the root prim.  if we're
-            // moving a child prim, just let it pass
-            if(!obj.IsRoot)
-            {
-                return true;
-            }
+            int objectCount = obj.ParentGroup.PrimCount;
+            int usedPrims = newParcel.PrimCounts.Total;
+            int simulatorCapacity = newParcel.GetSimulatorMaxPrimCount();
 
             // TODO: Add Special Case here for temporary prims
             
diff --git a/OpenSim/Region/Physics/UbitOdePlugin/ODEPrim.cs b/OpenSim/Region/Physics/UbitOdePlugin/ODEPrim.cs
index 76e42d4417..dc247a9fa2 100644
--- a/OpenSim/Region/Physics/UbitOdePlugin/ODEPrim.cs
+++ b/OpenSim/Region/Physics/UbitOdePlugin/ODEPrim.cs
@@ -1403,8 +1403,8 @@ namespace OpenSim.Region.Physics.OdePlugin
 
             if (vertexCount == 0 || indexCount == 0)
             {
-                m_log.WarnFormat("[PHYSICS]: Invalid mesh data on OdePrim {0}, mesh {1}",
-                    Name, _pbs.SculptEntry ? _pbs.SculptTexture.ToString() : "primMesh");
+                m_log.WarnFormat("[PHYSICS]: Invalid mesh data on OdePrim {0}, mesh {1} at {2}",
+                    Name, _pbs.SculptEntry ? _pbs.SculptTexture.ToString() : "primMesh",_position.ToString());
 
                 m_hasOBB = false;
                 m_OBBOffset = Vector3.Zero;