2 files changed, 21 insertions, 4 deletions

diff --git a/OpenSim/Region/Application/OpenSimMain.cs b/OpenSim/Region/Application/OpenSimMain.cs
index e3c326b..7efe408 100644
--- a/OpenSim/Region/Application/OpenSimMain.cs
+++ b/OpenSim/Region/Application/OpenSimMain.cs
@@ -213,7 +213,7 @@ namespace OpenSim
             {
                 m_sandbox = !startupConfig.GetBoolean("gridmode", false);
                 m_physicsEngine = startupConfig.GetString("physics", "basicphysics");
-                m_meshEngineName = startupConfig.GetString("meshing", "Meshmerizer");
+                m_meshEngineName = startupConfig.GetString("meshing", "ZeroMesher");
                 m_verbose = startupConfig.GetBoolean("verbose", true);
                 m_physicalPrim = startupConfig.GetBoolean("physical_prim", true);
                 m_permissions = startupConfig.GetBoolean("serverside_object_permissions", false);
diff --git a/OpenSim/Region/Physics/OdePlugin/OdePlugin.cs b/OpenSim/Region/Physics/OdePlugin/OdePlugin.cs
index 646ccb5..2ba8827 100644
--- a/OpenSim/Region/Physics/OdePlugin/OdePlugin.cs
+++ b/OpenSim/Region/Physics/OdePlugin/OdePlugin.cs
@@ -308,7 +308,11 @@ namespace OpenSim.Region.Physics.OdePlugin
                         p = (OdePrim) prim;
                         p.disableBody();
                     }
-                    d.GeomDestroy(((OdePrim)prim).prim_geom);
+                    if (((OdePrim)prim).prim_geom != null)
+                    {
+                        if (((OdePrim)prim).prim_geom != (IntPtr) 0)
+                            d.GeomDestroy(((OdePrim)prim).prim_geom);
+                    }
                     _prims.Remove((OdePrim)prim);
                     
                 }
@@ -1181,7 +1185,13 @@ namespace OpenSim.Region.Physics.OdePlugin
                         IMesh mesh = _parent_scene.mesher.CreateMesh(oldname, _pbs, _size);
                         // createmesh returns null when it's a shape that isn't a cube.
                         if (mesh != null)
-                        setMesh(_parent_scene, mesh);
+                        {
+                            setMesh(_parent_scene, mesh);
+                        }
+                        else
+                        {
+                            prim_geom = d.CreateBox(_parent_scene.space, _size.X, _size.Y, _size.Z);
+                        }
                     } else {
                         prim_geom = d.CreateBox(_parent_scene.space, _size.X, _size.Y, _size.Z);
                         
@@ -1228,7 +1238,14 @@ namespace OpenSim.Region.Physics.OdePlugin
                     if (this._parent_scene.needsMeshing(_pbs))
                     {
                         IMesh mesh = _parent_scene.mesher.CreateMesh(oldname, _pbs, _size);
-                        setMesh(_parent_scene, mesh);
+                        if (mesh != null)
+                        {
+                            setMesh(_parent_scene, mesh);
+                        }
+                        else
+                        {
+                            prim_geom = d.CreateBox(_parent_scene.space, _size.X, _size.Y, _size.Z);
+                        }
                     } else {
                         prim_geom = d.CreateBox(_parent_scene.space, _size.X, _size.Y, _size.Z);
                     }