--- a/src/devices/mesh/dot11s/hwmp-protocol.cc	Thu Oct 15 23:55:06 2009 -0700
+++ a/src/devices/mesh/dot11s/hwmp-protocol.cc	Fri Oct 16 14:45:57 2009 +0400
@@ -213,6 +213,8 @@ 
   m_rqueue.clear ();
   m_rtable = 0;
   m_mp = 0;
+
+  m_neighboursCallback = MakeNullCallback<std::vector<Mac48Address>, uint32_t> ();
 }
 
 bool
--- a/src/devices/mesh/dot11s/peer-management-protocol.cc	Thu Oct 15 23:55:06 2009 -0700
+++ a/src/devices/mesh/dot11s/peer-management-protocol.cc	Fri Oct 16 14:45:57 2009 +0400
@@ -95,6 +95,8 @@ 
   m_neighbourBeacons.clear ();
 
   m_plugins.clear ();
+
+  m_peerStatusCallback = MakeNullCallback<void, Mac48Address, Mac48Address, uint32_t, bool> ();
 }
 
 bool
--- a/src/helper/dot11s-installer.cc	Thu Oct 15 23:55:06 2009 -0700
+++ a/src/helper/dot11s-installer.cc	Fri Oct 16 14:45:57 2009 +0400
@@ -73,9 +73,8 @@ 
       hwmp->SetRoot ();
     }
   //Install interaction between HWMP and Peer management protocol:
-  //PeekPointer()'s to avoid circular Ptr references
-  pmp->SetPeerLinkStatusCallback (MakeCallback (&HwmpProtocol::PeerLinkStatus, PeekPointer (hwmp)));
-  hwmp->SetNeighboursCallback (MakeCallback (&PeerManagementProtocol::GetActiveLinks, PeekPointer (pmp)));
+  pmp->SetPeerLinkStatusCallback (MakeCallback (&HwmpProtocol::PeerLinkStatus, hwmp));
+  hwmp->SetNeighboursCallback (MakeCallback (&PeerManagementProtocol::GetActiveLinks, pmp));
   return true;
 }
 void