Possible fix for the 100% CPU issue. I've not fully

confirmed that this fixes the issue, however functional
correctness of BlockingQueue requires that these locks be
put into place anyway.

OpenSim/Framework/BlockingQueue.cs

@@ -66,13 +66,19 @@ namespace OpenSim.Framework
         }
         
         public int Count()
+        {
+            lock(m_queueSync)
 	    {
 		return m_queue.Count;
 	    }
+        }
 
         public T[] GetQueueArray()
+        {
+            lock (m_queueSync)
             {
                 return m_queue.ToArray();
             }
         }
     }
+}