diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs b/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
index 77e67ba183..53edcd6caf 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
@@ -537,8 +537,15 @@ namespace OpenSim.Region.Framework.Scenes
                                 return;
                             }
                         }
+                        else if (RootPart.PhysActor != null)
+                        {
+                            RootPart.PhysActor.CrossingFailure();
+                        }
 
-                        val = AbsolutePosition;
+                        Vector3 oldp = AbsolutePosition;
+                        val.X = Util.Clamp<float>(oldp.X, 0.5f, (float)Constants.RegionSize - 0.5f);
+                        val.Y = Util.Clamp<float>(oldp.Y, 0.5f, (float)Constants.RegionSize - 0.5f);
+                        val.Z = Util.Clamp<float>(oldp.Z, 0.5f, 4096.0f);
                     }
                 }
 
diff --git a/OpenSim/Region/Physics/ChOdePlugin/ODEPrim.cs b/OpenSim/Region/Physics/ChOdePlugin/ODEPrim.cs
index 95a97415ab..073241f2f3 100644
--- a/OpenSim/Region/Physics/ChOdePlugin/ODEPrim.cs
+++ b/OpenSim/Region/Physics/ChOdePlugin/ODEPrim.cs
@@ -3125,7 +3125,7 @@ Console.WriteLine("ODEPrim JointCreateFixed !!!");
                     d.BodySetPosition(Body, _position.X, _position.Y, _position.Z);
                     d.BodySetLinearVel(Body, 0, 0, 0);
 
-                    if (Interlocked.Exchange(ref m_crossingfailures, 0) == 0)
+                    if (Interlocked.Exchange(ref m_crossingfailures, m_crossingfailures) == 0)
                     { // tell base code only once
                         Interlocked.Increment(ref m_crossingfailures);
                         base.RequestPhysicsterseUpdate();
@@ -3133,7 +3133,7 @@ Console.WriteLine("ODEPrim JointCreateFixed !!!");
                     return;
                 }
 
-                if (Interlocked.Exchange(ref m_crossingfailures, 0) > 1)
+                if (Interlocked.Exchange(ref m_crossingfailures, 0) != 0)
                 {
                     // main simulator had a crossing failure
                     // park it inside region