diff --git a/OpenSim/Region/Physics/BulletSPlugin/BSLinkset.cs b/OpenSim/Region/Physics/BulletSPlugin/BSLinkset.cs
index c0f8c2a3ac..d37f29b641 100755
--- a/OpenSim/Region/Physics/BulletSPlugin/BSLinkset.cs
+++ b/OpenSim/Region/Physics/BulletSPlugin/BSLinkset.cs
@@ -305,7 +305,7 @@ public abstract class BSLinkset
     // This is turned on when the rebuild is requested and turned off when
     //     the rebuild is complete. Used to limit modifications to the
     //     linkset parameters while the linkset is in an intermediate state.
-    // Protected by a "lock(this)" on the BSLinkset object
+    // Protected by a "lock(m_linsetActivityLock)" on the BSLinkset object
     public bool RebuildScheduled { get; protected set; }
 
     // The object is going dynamic (physical). Do any setup necessary
diff --git a/OpenSim/Region/Physics/BulletSPlugin/BSLinksetCompound.cs b/OpenSim/Region/Physics/BulletSPlugin/BSLinksetCompound.cs
index 582ba5b577..049f825614 100755
--- a/OpenSim/Region/Physics/BulletSPlugin/BSLinksetCompound.cs
+++ b/OpenSim/Region/Physics/BulletSPlugin/BSLinksetCompound.cs
@@ -106,24 +106,37 @@ public sealed class BSLinksetCompound : BSLinkset
         // When rebuilding, it is possible to set properties that would normally require a rebuild.
         //    If already rebuilding, don't request another rebuild.
         //    If a linkset with just a root prim (simple non-linked prim) don't bother rebuilding.
-        lock (this)
+        lock (m_linksetActivityLock)
         {
-            if (!RebuildScheduled)
+            if (!RebuildScheduled && !Rebuilding && HasAnyChildren)
             {
-                if (!Rebuilding && HasAnyChildren)
-                {
-                    RebuildScheduled = true;
-                    m_physicsScene.PostTaintObject("BSLinksetCompound.ScheduleRebuild", LinksetRoot.LocalID, delegate()
-                    {
-                        if (HasAnyChildren)
-                            RecomputeLinksetCompound();
-                        RebuildScheduled = false;
-                    });
-                }
+                InternalScheduleRebuild(requestor);
             }
         }
     }
 
+    private void InternalScheduleRebuild(BSPrimLinkable requestor)
+    {
+        RebuildScheduled = true;
+        m_physicsScene.PostTaintObject("BSLinksetCompound.ScheduleRebuild", LinksetRoot.LocalID, delegate()
+        {
+            if (HasAnyChildren)
+            {
+                if (this.AllPartsComplete)
+                {
+                    RecomputeLinksetCompound();
+                }
+                else
+                {
+                    DetailLog("{0},BSLinksetCompound.InternalScheduleRebuild,,rescheduling because not all children complete",
+                                                    requestor.LocalID);
+                    InternalScheduleRebuild(requestor);
+                }
+            }
+            RebuildScheduled = false;
+        });
+    }
+
     // The object is going dynamic (physical). Do any setup necessary for a dynamic linkset.
     // Only the state of the passed object can be modified. The rest of the linkset
     //     has not yet been fully constructed.
@@ -412,7 +425,7 @@ public sealed class BSLinksetCompound : BSLinkset
                     // Just skip this linkset 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.
-                    LinksetRoot.ForceBodyShapeRebuild(false);
+                    InternalScheduleRebuild(LinksetRoot);
                     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,
diff --git a/OpenSim/Region/Physics/BulletSPlugin/BSPrimLinkable.cs b/OpenSim/Region/Physics/BulletSPlugin/BSPrimLinkable.cs
index c293e8c185..430d645566 100755
--- a/OpenSim/Region/Physics/BulletSPlugin/BSPrimLinkable.cs
+++ b/OpenSim/Region/Physics/BulletSPlugin/BSPrimLinkable.cs
@@ -54,16 +54,6 @@ public class BSPrimLinkable : BSPrimDisplaced
 
     public BSLinkset.LinksetImplementation LinksetType { get; set; }
 
-    public override bool IsIncomplete
-    {
-        get
-        {
-            // A linkset is incomplete when base objects are incomplete, waiting for assets,
-            //     or being rebuilt.
-            return (base.IsIncomplete || Linkset.RebuildScheduled || !Linkset.AllPartsComplete);
-        }
-    }
-
     public BSPrimLinkable(uint localID, String primName, BSScene parent_scene, OMV.Vector3 pos, OMV.Vector3 size,
                        OMV.Quaternion rotation, PrimitiveBaseShape pbs, bool pisPhysical)
         : base(localID, primName, parent_scene, pos, size, rotation, pbs, pisPhysical)