* Does a full battery of tests to ensure that the object isn't an attachment before border crossing

* Fixes 'Inconsistent Attachment State' when teleporting into another region besides the SW most region slot on a MegaRegion.
* Fixes a host of other unintended attachment border cross edge cases that lead to Inconsistent attachment state.

OpenSim/Region/CoreModules/World/Land/RegionCombinerModule.cs

@@ -79,12 +79,12 @@ namespace OpenSim.Region.CoreModules.World.Land
         {
             if (!enabledYN)
                 return;
-
+/* 
             // For testing on a single instance
             if (scene.RegionInfo.RegionLocX == 1004 && scene.RegionInfo.RegionLocY == 1000)
                 return;
-            //
-
+            // 
+*/
             lock (m_startingScenes)
                 m_startingScenes.Add(scene.RegionInfo.originRegionID, scene);
 

OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs

@@ -245,6 +245,11 @@ namespace OpenSim.Region.Framework.Scenes
             }
         }
 
+        private bool IsAttachmentCheckFull()
+        {
+            return (IsAttachment || (m_rootPart.Shape.PCode == 9 && m_rootPart.Shape.State != 0));
+        }
+        
         /// <summary>
         /// The absolute position of this scene object in the scene
         /// </summary>
@@ -257,7 +262,7 @@ namespace OpenSim.Region.Framework.Scenes
 
                 if ((m_scene.TestBorderCross(val - Vector3.UnitX, Cardinals.E) || m_scene.TestBorderCross(val + Vector3.UnitX, Cardinals.W)
                     || m_scene.TestBorderCross(val - Vector3.UnitY, Cardinals.N) || m_scene.TestBorderCross(val + Vector3.UnitY, Cardinals.S)) 
-                    && !IsAttachment)
+                    && !IsAttachmentCheckFull())
                 {                                       
                     m_scene.CrossPrimGroupIntoNewRegion(val, this, true);
                 }