#0  std::__detail::_List_node_base::_M_hook (this=0xab9fd60, __position=0xaca3a28) at ../../../../../src/libstdc++-v3/src/c++98/list.cc:132
No locals.
#1  0xb71ae067 in insert (__x=..., __position=..., this=<optimized out>) at /usr/include/c++/4.7/bits/list.tcc:103
        __tmp = 0xab9fd60
#2  sigc::internal::signal_impl::insert (this=this@entry=0xaca3a20, i=i@entry=..., slot_=...) at ../../sigc++/signal_base.cc:64
        temp = {_M_node = 0x9cfc328}
#3  0xb71ae0f9 in sigc::internal::signal_impl::connect (this=0xaca3a20, slot_=...) at ../../sigc++/signal_base.cc:54
No locals.
#4  0xbfc2648c in ?? ()
No symbol table info available.
Backtrace stopped: previous frame inner to this frame (corrupt stack?)