Merge branch 'master-core' into mantis5110

1 files changed, 18 insertions, 14 deletions

diff --git a/OpenSim/Region/ClientStack/LindenUDP/LLClientView.cs b/OpenSim/Region/ClientStack/LindenUDP/LLClientView.cs
index 7851c4d..f125822 100644
--- a/OpenSim/Region/ClientStack/LindenUDP/LLClientView.cs
+++ b/OpenSim/Region/ClientStack/LindenUDP/LLClientView.cs
@@ -3562,24 +3562,28 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                 EntityUpdate update;
                 while (updatesThisCall < maxUpdates && m_entityUpdates.TryDequeue(out update))
                 {
-                    // Please do not remove this unless you can demonstrate on the OpenSim mailing list that a client
-                    // will never receive an update after a prim kill.  Even then, keeping the kill record may be a good
-                    // safety measure.
-                    //
-                    // Receiving updates after kills results in undeleteable prims that persist until relog and
-                    // currently occurs because prims can be deleted before all queued updates are sent.
-                    if (m_killRecord.Contains(update.Entity.LocalId))
-                    {
-//                        m_log.WarnFormat(
-//                            "[CLIENT]: Preventing full update for prim with local id {0} after client for user {1} told it was deleted",
-//                            update.Entity.LocalId, Name);
-                        continue;
-                    }
-
                     if (update.Entity is SceneObjectPart)
                     {
                         SceneObjectPart part = (SceneObjectPart)update.Entity;
 
+                        // Please do not remove this unless you can demonstrate on the OpenSim mailing list that a client
+                        // will never receive an update after a prim kill.  Even then, keeping the kill record may be a good
+                        // safety measure.
+                        //
+                        // If a Linden Lab 1.23.5 client (and possibly later and earlier) receives an object update
+                        // after a kill, it will keep displaying the deleted object until relog.  OpenSim currently performs
+                        // updates and kills on different threads with different scheduling strategies, hence this protection.
+                        // 
+                        // This doesn't appear to apply to child prims - a client will happily ignore these updates
+                        // after the root prim has been deleted.
+                        if (m_killRecord.Contains(part.LocalId))
+                        {
+        //                        m_log.WarnFormat(
+        //                            "[CLIENT]: Preventing update for prim with local id {0} after client for user {1} told it was deleted",
+        //                            part.LocalId, Name);
+                            continue;
+                        }                        
+                        
                         if (part.ParentGroup.IsAttachment && m_disableFacelights)
                         {
                             if (part.ParentGroup.RootPart.Shape.State != (byte)AttachmentPoint.LeftHand &&