gdb.txt

Program received signal SIGSEGV, Segmentation fault.
#0  0x00007ffff72d5853 in std::basic_ostream<char, std::char_traits<char> >& std::operator<< <char, std::char_traits<char>, std::allocator<char> >(std::basic_ostream<char, std::char_traits<char> >&, std::basic_string<char, std::char_traits<char>, std::allocator<char> > const&) ()
   from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#1  0x00000000004becbf in boost::io::detail::put_last<char, std::char_traits<char>, std::string> (os=..., 
    x=<error reading variable: Cannot access memory at address 0xfeffffffffffffe9>) at /usr/local/include/boost/format/feed_args.hpp:114
#2  0x00000000004bcbc6 in boost::io::detail::call_put_last<char, std::char_traits<char>, std::string> (os=..., x=0x7fffffffe0e0)
    at /usr/local/include/boost/format/feed_args.hpp:126
#3  0x00000000004c11e5 in boost::io::detail::put_last<char, std::char_traits<char> > (os=..., t=...) at /usr/local/include/boost/format/feed_args.hpp:149
#4  0x00000000004bf169 in boost::io::detail::put<char, std::char_traits<char>, std::allocator<char>, boost::io::detail::put_holder<char, std::char_traits<char> > const&> (x=..., specs=..., res="", buf=..., loc_p=0x0)
    at /usr/local/include/boost/format/feed_args.hpp:195
#5  0x00000000004bcf13 in boost::io::detail::distribute<char, std::char_traits<char>, std::allocator<char>, boost::io::detail::put_holder<char, std::char_traits<char> > const&> (self=..., x=...)
#6  0x00000000004bac79 in boost::io::detail::feed_impl<char, std::char_traits<char>, std::allocator<char>, boost::io::detail::put_holder<char, std::char_traits<char> > const&> (self=..., x=...)
    at /usr/local/include/boost/format/feed_args.hpp:299
#7  0x00000000004b751f in boost::io::detail::feed<char, std::char_traits<char>, std::allocator<char>, std::string&> (self=..., 
    x=<error reading variable: Cannot access memory at address 0xfeffffffffffffe9>) at /usr/local/include/boost/format/feed_args.hpp:311
#8  0x00000000004b487b in boost::basic_format<char, std::char_traits<char>, std::allocator<char> >::operator%<std::string> (this=0x7ffff6746920, 
    x=<error reading variable: Cannot access memory at address 0xfeffffffffffffe9>) at /usr/local/include/boost/format/format_class.hpp:68
#9  0x00000000004a848c in SessionPool::__lambda0::operator() (
    __closure=0x7ffff6746b70, err=...)
    at /home/sal/virtualrealm/src/virtualrealm.cc:89
#10 0x00000000004a9021 in boost::asio::detail::binder1<SessionPool::GenerateAndAccept()::__lambda0, boost::system::error_code>::operator()(void) (
    this=0x7ffff6746b70)
    at /usr/local/include/boost/asio/detail/bind_handler.hpp:47