diff --git a/OpenSim/Region/CoreModules/Avatar/UserProfiles/UserProfileModule.cs b/OpenSim/Region/CoreModules/Avatar/UserProfiles/UserProfileModule.cs
index 5b228ee6d4..a97c9b4a5b 100644
--- a/OpenSim/Region/CoreModules/Avatar/UserProfiles/UserProfileModule.cs
+++ b/OpenSim/Region/CoreModules/Avatar/UserProfiles/UserProfileModule.cs
@@ -169,6 +169,9 @@ namespace OpenSim.Region.OptionalModules.Avatar.UserProfiles
 
         void HandleOnMakeRootAgent (ScenePresence obj)
         {
+            if(obj.PresenceType == PresenceType.Npc)
+                return;
+
             GetImageAssets(((IScenePresence)obj).UUID);
         }
 
@@ -326,14 +329,17 @@ namespace OpenSim.Region.OptionalModules.Avatar.UserProfiles
                 string name = m["name"].AsString();
 
                 classifieds[cid] = name;
-                
+
                 if(!classifiedCache.ContainsKey(cid))
                 {
-                    classifiedCache.Add(cid,creatorId);
-                    classifiedInterest.Add(cid, 0);
+                    lock(classifiedCache)
+                        classifiedCache.Add(cid,creatorId);
+                    lock(classifiedInterest)
+                        classifiedInterest.Add(cid, 0);
                 }
 
-                classifiedInterest[cid] ++;
+                lock(classifiedInterest)
+                    classifiedInterest[cid] ++;
             }
 
             remoteClient.SendAvatarClassifiedReply(new UUID(args[0]), classifieds);
@@ -346,22 +352,20 @@ namespace OpenSim.Region.OptionalModules.Avatar.UserProfiles
             ad.ClassifiedId = queryClassifiedID;
 
             if(classifiedCache.ContainsKey(queryClassifiedID))
-            {
+            {   
                 target = classifiedCache[queryClassifiedID];
 
-                if(classifiedInterest[queryClassifiedID] -- == 0)
-                {
-                    lock(classifiedCache)
-                    {
-                        lock(classifiedInterest)
-                        {
-                            classifiedInterest.Remove(queryClassifiedID);
-                        }
-                        classifiedCache.Remove(queryClassifiedID);
-                    }
-                }
-            }            
+                lock(classifiedInterest)
+                    classifiedInterest[queryClassifiedID] --;
 
+                if(classifiedInterest[queryClassifiedID] == 0)
+                {
+                    lock(classifiedInterest)
+                        classifiedInterest.Remove(queryClassifiedID);
+                    lock(classifiedCache)
+                        classifiedCache.Remove(queryClassifiedID);
+                }
+            }
             
             string serverURI = string.Empty;
             bool foreign = GetUserProfileServerURI(target, out serverURI);
diff --git a/OpenSim/Region/Physics/BulletSPlugin/BSParam.cs b/OpenSim/Region/Physics/BulletSPlugin/BSParam.cs
index afd547a088..aad1108cbc 100755
--- a/OpenSim/Region/Physics/BulletSPlugin/BSParam.cs
+++ b/OpenSim/Region/Physics/BulletSPlugin/BSParam.cs
@@ -360,7 +360,7 @@ public static class BSParam
         new ParameterDefn<bool>("UseSeparatePhysicsThread", "If 'true', the physics engine runs independent from the simulator heartbeat",
             false ),
         new ParameterDefn<float>("PhysicsTimeStep", "If separate thread, seconds to simulate each interval",
-            0.1f ),
+            0.089f ),
 
         new ParameterDefn<bool>("MeshSculptedPrim", "Whether to create meshes for sculpties",
             true,
diff --git a/OpenSim/Region/Physics/BulletSPlugin/BSShapes.cs b/OpenSim/Region/Physics/BulletSPlugin/BSShapes.cs
index 395dbe3386..326fc9ee2d 100755
--- a/OpenSim/Region/Physics/BulletSPlugin/BSShapes.cs
+++ b/OpenSim/Region/Physics/BulletSPlugin/BSShapes.cs
@@ -389,9 +389,21 @@ public class BSShapeMesh : BSShape
     }
     public override BSShape GetReference(BSScene pPhysicsScene, BSPhysObject pPrim)
     {
-        // Another reference to this shape is just counted.
-        IncrementReference();
-        return this;
+        BSShape ret = null;
+        // If the underlying shape is native, the actual shape has not been build (waiting for asset)
+        //     and we must create a copy of the native shape since they are never shared.
+        if (physShapeInfo.HasPhysicalShape && physShapeInfo.isNativeShape)
+        {
+            // TODO: decide when the native shapes should be freed. Check in Dereference?
+            ret = BSShapeNative.GetReference(pPhysicsScene, pPrim, BSPhysicsShapeType.SHAPE_BOX, FixedShapeKey.KEY_BOX);
+        }
+        else
+        {
+            // Another reference to this shape is just counted.
+            IncrementReference();
+            ret = this;
+        }
+        return ret;
     }
     public override void Dereference(BSScene physicsScene)
     {
@@ -562,9 +574,21 @@ public class BSShapeHull : BSShape
     }
     public override BSShape GetReference(BSScene pPhysicsScene, BSPhysObject pPrim)
     {
-        // Another reference to this shape is just counted.
-        IncrementReference();
-        return this;
+        BSShape ret = null;
+        // If the underlying shape is native, the actual shape has not been build (waiting for asset)
+        //     and we must create a copy of the native shape since they are never shared.
+        if (physShapeInfo.HasPhysicalShape && physShapeInfo.isNativeShape)
+        {
+            // TODO: decide when the native shapes should be freed. Check in Dereference?
+            ret = BSShapeNative.GetReference(pPhysicsScene, pPrim, BSPhysicsShapeType.SHAPE_BOX, FixedShapeKey.KEY_BOX);
+        }
+        else
+        {
+            // Another reference to this shape is just counted.
+            IncrementReference();
+            ret = this;
+        }
+        return ret;
     }
     public override void Dereference(BSScene physicsScene)
     {
@@ -1077,12 +1101,23 @@ public class BSShapeGImpact : BSShape
                             (w, iC, i, vC, v) => physicsScene.PE.CreateGImpactShape(w, iC, i, vC, v) );
     }
 
-    public override BSShape GetReference(BSScene physicsScene, BSPhysObject prim)
+    public override BSShape GetReference(BSScene pPhysicsScene, BSPhysObject pPrim)
     {
-        // Calling this reference means we want another handle to an existing shape
-        //     (usually linksets) so return this copy.
-        IncrementReference();
-        return this;
+        BSShape ret = null;
+        // If the underlying shape is native, the actual shape has not been build (waiting for asset)
+        //     and we must create a copy of the native shape since they are never shared.
+        if (physShapeInfo.HasPhysicalShape && physShapeInfo.isNativeShape)
+        {
+            // TODO: decide when the native shapes should be freed. Check in Dereference?
+            ret = BSShapeNative.GetReference(pPhysicsScene, pPrim, BSPhysicsShapeType.SHAPE_BOX, FixedShapeKey.KEY_BOX);
+        }
+        else
+        {
+            // Another reference to this shape is just counted.
+            IncrementReference();
+            ret = this;
+        }
+        return ret;
     }
     // Dereferencing a compound shape releases the hold on all the child shapes.
     public override void Dereference(BSScene physicsScene)
diff --git a/OpenSim/Server/Handlers/Profiles/UserProfilesConnector.cs b/OpenSim/Server/Handlers/Profiles/UserProfilesConnector.cs
index 5a24ee323e..f9a520a907 100644
--- a/OpenSim/Server/Handlers/Profiles/UserProfilesConnector.cs
+++ b/OpenSim/Server/Handlers/Profiles/UserProfilesConnector.cs
@@ -106,11 +106,6 @@ namespace OpenSim.Server.Handlers.Profiles
             Server.AddJsonRPCHandler("avatar_properties_update", handler.AvatarPropertiesUpdate);
             Server.AddJsonRPCHandler("avatar_interests_update", handler.AvatarInterestsUpdate);
             Server.AddJsonRPCHandler("image_assets_request", handler.AvatarImageAssetsRequest);
-//            Server.AddJsonRPCHandler("user_preferences_request", handler.UserPreferencesRequest);
-//            Server.AddJsonRPCHandler("user_preferences_update", handler.UserPreferencesUpdate);
-//            Server.AddJsonRPCHandler("user_account_create", handler.UserAccountCreate);
-//            Server.AddJsonRPCHandler("user_account_auth", handler.UserAccountAuth);
-//            Server.AddJsonRPCHandler("user_account_test", handler.UserAccountTest);
             Server.AddJsonRPCHandler("user_data_request", handler.RequestUserAppData);
             Server.AddJsonRPCHandler("user_data_update", handler.UpdateUserAppData);
         }