1 files changed, 2 insertions, 0 deletions

diff --git a/OpenSim/Region/Physics/OdePlugin/ODEPrim.cs b/OpenSim/Region/Physics/OdePlugin/ODEPrim.cs
index 447304b..1b9378a 100644
--- a/OpenSim/Region/Physics/OdePlugin/ODEPrim.cs
+++ b/OpenSim/Region/Physics/OdePlugin/ODEPrim.cs
@@ -2378,6 +2378,8 @@ Console.WriteLine(" JointCreateFixed");
 
         public override void SetVolumeDetect(int param)
         {
+            // We have to lock the scene here so that an entire simulate loop either uses volume detect for all
+            // possible collisions with this prim or for none of them.
             lock (_parent_scene.OdeLock)
             {
                 m_isVolumeDetect = (param != 0);