diff --git a/OpenSim/ApplicationPlugins/Rest/Regions/RestRegionPlugin.cs b/OpenSim/ApplicationPlugins/Rest/Regions/RestRegionPlugin.cs
index fa5f11707b..aeb91a9682 100644
--- a/OpenSim/ApplicationPlugins/Rest/Regions/RestRegionPlugin.cs
+++ b/OpenSim/ApplicationPlugins/Rest/Regions/RestRegionPlugin.cs
@@ -57,6 +57,12 @@ namespace OpenSim.ApplicationPlugins.Rest.Regions
     public partial class RestRegionPlugin : RestPlugin
     {
         private static XmlSerializerNamespaces _xmlNs;
+
+        static RestRegionPlugin()
+        {
+            _xmlNs = new XmlSerializerNamespaces();
+            _xmlNs.Add(String.Empty, String.Empty);
+        }
         
         #region overriding properties
         public override string Name
@@ -91,9 +97,6 @@ namespace OpenSim.ApplicationPlugins.Rest.Regions
                 }
                 m_log.InfoFormat("{0} REST region plugin enabled", MsgID);
                 
-                _xmlNs = new XmlSerializerNamespaces();
-                _xmlNs.Add(String.Empty, String.Empty);
-
                 // add REST method handlers
                 AddRestStreamHandler("GET", "/regions/", GetHandler);
                 AddRestStreamHandler("POST", "/regions/", PostHandler);
diff --git a/OpenSim/ApplicationPlugins/Rest/RestPlugin.cs b/OpenSim/ApplicationPlugins/Rest/RestPlugin.cs
index 8373ea2708..ffabb2a5ec 100644
--- a/OpenSim/ApplicationPlugins/Rest/RestPlugin.cs
+++ b/OpenSim/ApplicationPlugins/Rest/RestPlugin.cs
@@ -135,6 +135,14 @@ namespace OpenSim.ApplicationPlugins.Rest
             get { return _prefix; }
         }
 
+        /// <summary>
+        /// Access to GOD password string
+        /// </summary>
+        protected string GodKey
+        {
+            get { return _godkey; }
+        }
+
         /// <summary>
         /// Configuration of the plugin
         /// </summary>
diff --git a/OpenSim/Region/Environment/Modules/Avatar/Chat/IRCBridgeModule.cs b/OpenSim/Region/Environment/Modules/Avatar/Chat/IRCBridgeModule.cs
index 85262f5790..befa89f875 100644
--- a/OpenSim/Region/Environment/Modules/Avatar/Chat/IRCBridgeModule.cs
+++ b/OpenSim/Region/Environment/Modules/Avatar/Chat/IRCBridgeModule.cs
@@ -151,6 +151,7 @@ namespace OpenSim.Region.Environment.Modules.Avatar.Chat
         public void Close()
         {
             m_irc.Close();
+            m_log.Info("[IRC] closed connection to IRC server");
         }
 
         public string Name
@@ -324,9 +325,9 @@ namespace OpenSim.Region.Environment.Modules.Avatar.Chat
         // if IRC is enabled then just keep trying using a monitor thread
         public void IRCConnectRun()
         {
-            while (true)
+            while (m_irc.Enabled)
             {
-                if ((m_irc.Enabled) && (!m_irc.Connected))
+                if (!m_irc.Connected)
                 {
                     m_irc.Connect(m_scenes);
                 }
@@ -538,7 +539,7 @@ namespace OpenSim.Region.Environment.Modules.Avatar.Chat
             m_log.Info("[IRC]: ExtractMsg: " + input);
             Dictionary<string, string> result = null;
             //string regex = @":(?<nick>\w*)!~(?<user>\S*) PRIVMSG (?<channel>\S+) :(?<msg>.*)";
-            string regex = @":(?<nick>\w*)!(?<user>\S*) PRIVMSG (?<channel>\S+) :(?<msg>.*)";
+            string regex = @":(?<nick>[\w-]*)!(?<user>\S*) PRIVMSG (?<channel>\S+) :(?<msg>.*)";
             Regex RE = new Regex(regex, RegexOptions.Multiline);
             MatchCollection matches = RE.Matches(input);
 
@@ -566,7 +567,7 @@ namespace OpenSim.Region.Environment.Modules.Avatar.Chat
         {
             // IRC keep alive thread
             // send PING ever 15 seconds
-            while (true)
+            while (m_enabled)
             {
                 try
                 {
@@ -579,8 +580,11 @@ namespace OpenSim.Region.Environment.Modules.Avatar.Chat
                 }
                 catch (IOException)
                 {
-                    m_log.Error("[IRC]: Disconnected from IRC server.(PingRun)");
-                    Reconnect();
+                    if (m_enabled)
+                    {
+                        m_log.Error("[IRC]: Disconnected from IRC server.(PingRun)");
+                        Reconnect();
+                    }
                 }
                 catch (Exception ex)
                 {
@@ -593,7 +597,7 @@ namespace OpenSim.Region.Environment.Modules.Avatar.Chat
         {
             string inputLine;
             LLVector3 pos = new LLVector3(128, 128, 20);
-            while (true)
+            while (m_enabled)
             {
                 try
                 {
@@ -637,8 +641,11 @@ namespace OpenSim.Region.Environment.Modules.Avatar.Chat
                 }
                 catch (IOException)
                 {
-                    m_log.Error("[IRC]: ListenerRun IOException. Disconnected from IRC server ??? (ListenerRun)");
-                    Reconnect();
+                    if (m_enabled) 
+                    {
+                        m_log.Error("[IRC]: ListenerRun IOException. Disconnected from IRC server ??? (ListenerRun)");
+                        Reconnect();
+                    }
                 }
                 catch (Exception ex)
                 {
@@ -838,13 +845,19 @@ namespace OpenSim.Region.Environment.Modules.Avatar.Chat
 
         public void Close()
         {
-            m_connected = false;
-            m_writer.WriteLine(String.Format("QUIT :{0} to {1} wormhole with {2} closing", m_nick, m_channel, m_server));
+            m_writer.WriteLine(String.Format("QUIT :{0} to {1} wormhole to {2} closing", 
+                                             m_nick, m_channel, m_server));
             m_writer.Flush();
-            listener.Abort();
-            pingSender.Abort();
+
+            m_connected = false;
+            m_enabled = false;
+
+            // listener.Abort();
+            // pingSender.Abort();
+
             m_writer.Close();
             m_reader.Close();
+
             m_tcp.Close();
         }
     }
diff --git a/OpenSim/Region/Environment/Modules/Grid/Interregion/InterregionModule.cs b/OpenSim/Region/Environment/Modules/Grid/Interregion/InterregionModule.cs
index 89ee61aa4d..40d07de419 100644
--- a/OpenSim/Region/Environment/Modules/Grid/Interregion/InterregionModule.cs
+++ b/OpenSim/Region/Environment/Modules/Grid/Interregion/InterregionModule.cs
@@ -169,7 +169,8 @@ namespace OpenSim.Region.Environment.Modules.Grid.Interregion
 
         public void Close()
         {
-            ChannelServices.UnregisterChannel(m_tcpChannel);
+            if (null != m_tcpChannel)
+                ChannelServices.UnregisterChannel(m_tcpChannel);
         }
 
         public string Name
diff --git a/OpenSim/Region/Environment/Scenes/Scene.cs b/OpenSim/Region/Environment/Scenes/Scene.cs
index 2b667c9de5..c1e8602298 100644
--- a/OpenSim/Region/Environment/Scenes/Scene.cs
+++ b/OpenSim/Region/Environment/Scenes/Scene.cs
@@ -103,7 +103,11 @@ namespace OpenSim.Region.Environment.Scenes
 
         protected BaseHttpServer m_httpListener;
 
-        protected Dictionary<string, IRegionModule> Modules = new Dictionary<string, IRegionModule>();
+        protected Dictionary<string, IRegionModule> m_modules = new Dictionary<string, IRegionModule>();
+        public Dictionary<string, IRegionModule> Modules
+        {
+            get { return m_modules; }
+        }
         protected Dictionary<Type, object> ModuleInterfaces = new Dictionary<Type, object>();
         protected Dictionary<string, object> ModuleAPIMethods = new Dictionary<string, object>();
         protected Dictionary<string, ICommander> m_moduleCommanders = new Dictionary<string, ICommander>();
diff --git a/OpenSim/Region/Environment/Scenes/SceneManager.cs b/OpenSim/Region/Environment/Scenes/SceneManager.cs
index c596f6e855..dc9ac3799b 100644
--- a/OpenSim/Region/Environment/Scenes/SceneManager.cs
+++ b/OpenSim/Region/Environment/Scenes/SceneManager.cs
@@ -32,6 +32,7 @@ using System.Reflection;
 using libsecondlife;
 using log4net;
 using OpenSim.Framework;
+using OpenSim.Region.Environment.Interfaces;
 
 namespace OpenSim.Region.Environment.Scenes
 {
@@ -78,10 +79,27 @@ namespace OpenSim.Region.Environment.Scenes
 
         public void Close()
         {
+            // collect known shared modules in sharedModules
+            Dictionary<string, IRegionModule> sharedModules = new Dictionary<string, IRegionModule>();
             for (int i = 0; i < m_localScenes.Count; i++)
             {
+                // extract known shared modules from scene 
+                foreach(string k in m_localScenes[i].Modules.Keys)
+                {
+                    if (m_localScenes[i].Modules[k].IsSharedModule &&
+                        !sharedModules.ContainsKey(k))
+                        sharedModules[k] = m_localScenes[i].Modules[k];
+                }
+                // close scene/region
                 m_localScenes[i].Close();
             }
+
+            // all regions/scenes are now closed, we can now safely
+            // close all shared modules
+            foreach(IRegionModule mod in sharedModules.Values)
+            {
+                mod.Close();
+            }
         }
 
         public void Close(Scene cscene)