diff --git a/OpenSim/Framework/Util.cs b/OpenSim/Framework/Util.cs
index e5ff27a6d8..039b926720 100644
--- a/OpenSim/Framework/Util.cs
+++ b/OpenSim/Framework/Util.cs
@@ -324,10 +324,25 @@ namespace OpenSim.Framework
         }
 
         /// <summary>
-        /// Debug utility function to convert unbroken strings of XML into something human readable for occasional debugging purposes.
-        ///
-        /// Please don't delete me even if I appear currently unused!
+        /// Debug utility function to convert OSD into formatted XML for debugging purposes.
         /// </summary>
+        /// <param name="osd">
+        /// A <see cref="OSD"/>
+        /// </param>
+        /// <returns>
+        /// A <see cref="System.String"/>
+        /// </returns>
+        public static string GetFormattedXml(OSD osd)
+        {
+            return GetFormattedXml(OSDParser.SerializeLLSDXmlString(osd));
+        }
+
+        /// <summary>
+        /// Debug utility function to convert unbroken strings of XML into something human readable for occasional debugging purposes.
+        /// </summary>
+        /// <remarks>
+        /// Please don't delete me even if I appear currently unused!
+        /// </remarks>
         /// <param name="rawXml"></param>
         /// <returns></returns>
         public static string GetFormattedXml(string rawXml)
diff --git a/OpenSim/Region/Physics/Meshing/Meshmerizer.cs b/OpenSim/Region/Physics/Meshing/Meshmerizer.cs
index be4ee41054..38b911266a 100644
--- a/OpenSim/Region/Physics/Meshing/Meshmerizer.cs
+++ b/OpenSim/Region/Physics/Meshing/Meshmerizer.cs
@@ -366,6 +366,8 @@ namespace OpenSim.Region.Physics.Meshing
                         // physics_shape is an array of OSDMaps, one for each submesh
                         if (decodedMeshOsd is OSDArray)
                         {
+//                            Console.WriteLine("decodedMeshOsd for {0} - {1}", primName, Util.GetFormattedXml(decodedMeshOsd));
+
                             decodedMeshOsdArray = (OSDArray)decodedMeshOsd;
                             foreach (OSD subMeshOsd in decodedMeshOsdArray)
                             {
@@ -373,6 +375,14 @@ namespace OpenSim.Region.Physics.Meshing
                                 {
                                     OSDMap subMeshMap = (OSDMap)subMeshOsd;
 
+//                                    Console.WriteLine("subMeshMap for {0} - {1}", primName, Util.GetFormattedXml((OSD)subMeshMap));
+
+                                    // As per http://wiki.secondlife.com/wiki/Mesh/Mesh_Asset_Format, some Mesh Level
+                                    // of Detail Blocks (maps) contain just a NoGeometry key to signal there is no
+                                    // geometry for this submesh.
+                                    if (subMeshMap.ContainsKey("NoGeometry") && ((OSDBoolean)subMeshMap["NoGeometry"]))
+                                        continue;
+
                                     OpenMetaverse.Vector3 posMax = ((OSDMap)subMeshMap["PositionDomain"])["Max"].AsVector3();
                                     OpenMetaverse.Vector3 posMin = ((OSDMap)subMeshMap["PositionDomain"])["Min"].AsVector3();
                                     ushort faceIndexOffset = (ushort)coords.Count;