Mine

#0  0xb7fce410 in __kernel_vsyscall ()
#1  0xb70c0df0 in raise () from /lib/tls/i686/cmov/libc.so.6
#2  0xb70c2641 in abort () from /lib/tls/i686/cmov/libc.so.6
#3  0xb70ba43b in __assert_fail () from /lib/tls/i686/cmov/libc.so.6
#4  0xb7e0434b in libtorrent::aux::session_impl::operator() (this=0x8443b88)
    at session_impl.cpp:1061
#5  0xb7deff7d in boost::detail::function::void_function_obj_invoker0<libtorrent::aux::session_impl, void>::invoke (function_obj_ptr=
      {obj_ptr = 0x8443b88, const_obj_ptr = 0x8443b88, func_ptr = 0x8443b88, data = "\210"}) at /usr/include/boost/function/function_template.hpp:136
#6  0xb7f582fc in boost::function0<void, std::allocator<boost::function_base> >::operator() () from /usr/lib/libboost_thread-gcc-mt-1_33_1.so.1.33.1
#7  0xb7f57dc2 in ?? () from /usr/lib/libboost_thread-gcc-mt-1_33_1.so.1.33.1
#8  0xb72fa31b in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#9  0xb71663ee in clone () from /lib/tls/i686/cmov/libc.so.6