diff --git a/OpenSim/Region/Physics/BulletSPlugin/BSLinksetCompound.cs b/OpenSim/Region/Physics/BulletSPlugin/BSLinksetCompound.cs
index 6f4f6865a6..67cb2f6480 100755
--- a/OpenSim/Region/Physics/BulletSPlugin/BSLinksetCompound.cs
+++ b/OpenSim/Region/Physics/BulletSPlugin/BSLinksetCompound.cs
@@ -305,6 +305,10 @@ public sealed class BSLinksetCompound : BSLinkset
     // Note that this works for rebuilding just the root after a linkset is taken apart.
     // Called at taint time!!
     private bool UseBulletSimRootOffsetHack = false;    // Attempt to have Bullet track the coords of root compound shape
+    // Number of times to perform rebuilds on broken linkset children. This should only happen when
+    //    a linkset is initially being created and should happen only one or two times at the most.
+    //    This exists to cause a looping problem to be reported while not rebuilding a linkset forever.
+    private static int LinksetRebuildFailureLoopPrevention = 10;
     private void RecomputeLinksetCompound()
     {
         try
@@ -376,9 +380,32 @@ public sealed class BSLinksetCompound : BSLinkset
                 OMV.Quaternion offsetRot = OMV.Quaternion.Normalize(cPrim.RawOrientation) * invRootOrientation;
 
                 // Add the child shape to the compound shape being built
-                m_physicsScene.PE.AddChildShapeToCompoundShape(linksetShape.physShapeInfo, childShape.physShapeInfo, offsetPos, offsetRot);
-                DetailLog("{0},BSLinksetCompound.RecomputeLinksetCompound,addChild,indx={1},cShape={2},offPos={3},offRot={4}",
-                                    LinksetRoot.LocalID, cPrim.LinksetChildIndex, childShape, offsetPos, offsetRot);
+                if (childShape.physShapeInfo.HasPhysicalShape)
+                {
+                    m_physicsScene.PE.AddChildShapeToCompoundShape(linksetShape.physShapeInfo, childShape.physShapeInfo, offsetPos, offsetRot);
+                    DetailLog("{0},BSLinksetCompound.RecomputeLinksetCompound,addChild,indx={1},cShape={2},offPos={3},offRot={4}",
+                                LinksetRoot.LocalID, cPrim.LinksetChildIndex, childShape, offsetPos, offsetRot);
+                }
+                else
+                {
+                    // The linkset must be in an intermediate state where all the children have not yet
+                    //    been constructed. This sometimes happens on startup when everything is getting
+                    //    built and some shapes have to wait for assets to be read in.
+                    // Just skip this child for the moment and cause the shape to be rebuilt next tick.
+                    // One problem might be that the shape is broken somehow and it never becomes completely
+                    //    available. This might cause the rebuild to happen over and over.
+                    if (LinksetRebuildFailureLoopPrevention-- > 0)
+                    {
+                        LinksetRoot.ForceBodyShapeRebuild(false);
+                        DetailLog("{0},BSLinksetCompound.RecomputeLinksetCompound,addChildWithNoShape,indx={1},cShape={2},offPos={3},offRot={4}",
+                                        LinksetRoot.LocalID, cPrim.LinksetChildIndex, childShape, offsetPos, offsetRot);
+                        // Output an annoying warning. It should only happen once but if it keeps coming out,
+                        //    the user knows there is something wrong and will report it.
+                        m_physicsScene.Logger.WarnFormat("{0} Linkset rebuild warning. If this happens more than one or two times, please report in Mantis 7191", LogHeader);
+                        m_physicsScene.Logger.WarnFormat("{0} pName={1}, childIdx={2}, shape={3}",
+                                        LogHeader, LinksetRoot.Name, cPrim.LinksetChildIndex, childShape);
+                    }
+                }
 
                 // Since we are borrowing the shape of the child, disable the origional child body
                 if (!IsRoot(cPrim))
diff --git a/bin/OpenSimDefaults.ini b/bin/OpenSimDefaults.ini
index 2a7e4c33b2..b9fd163169 100644
--- a/bin/OpenSimDefaults.ini
+++ b/bin/OpenSimDefaults.ini
@@ -701,7 +701,7 @@
     MaxOutgoingTransferVersion = "SIMULATION/0.3"
 
     ; The maximum distance in regions that an agent is allowed to teleport 
-    ; along the x or y axis. This is set to 16383 because current viewers 
+    ; along the x or y axis. This is set to 65535 because current viewers 
     ; can't handle teleports that are greater than this distance
     ; Setting to 0 will allow teleports of any distance
     ;
@@ -1755,8 +1755,12 @@
 
 
 [Terrain]
+    ; Values can be "pinhead-island" or "flat"
     InitialTerrain = "pinhead-island"
-
+    ; If 'true' each avatar is only sent terrain patches within their view distance
+    ; This also changes the region terrain loading from 'lawn mower' to ordered around
+    ;     the avatar outward.
+    SendTerrainUpdatesByViewDistance = False
 
 ;; 
 ;; If you are using a simian grid frontend you can enable