Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 1132489056 (LWP 17938)]
0x00002aaaabf16589 in boost::_mfi::mf0<void, Audio>::operator() (this=0x969e78, p=0x6dd7e0) at mem_fn_template.hpp:49
49              BOOST_MEM_FN_RETURN (p->*f_)();
Current language:  auto; currently c++
(gdb) bt
#0  0x00002aaaabf16589 in boost::_mfi::mf0<void, Audio>::operator() (this=0x969e78, p=0x6dd7e0) at mem_fn_template.hpp:49
#1  0x00002aaaabf1750b in boost::_bi::list1<boost::_bi::value<Audio*> >::operator()<boost::_mfi::mf0<void, Audio>, boost::_bi::list0> (
    this=0x969e88, f=@0x969e78, a=@0x43805f6e) at bind.hpp:231
#2  0x00002aaaabf17548 in boost::_bi::bind_t<void, boost::_mfi::mf0<void, Audio>, boost::_bi::list1<boost::_bi::value<Audio*> > >::operator() (this=0x969e78) at bind_template.hpp:20
#3  0x00002aaaabf17567 in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, Audio>, boost::_bi::list1<boost::_bi::value<Audio*> > >, void>::invoke (function_obj_ptr=@0x969e78) at function_template.hpp:155
#4  0x00000000004a9fe0 in boost::function0<void, std::allocator<void> >::operator() (this=0x969e70) at function_template.hpp:692
#5  0x00000000004c6a90 in Updater::run (this=0x6999e0) at updater.cpp:65
#6  0x00002b3a05888829 in ost::Thread::yield () from /usr/lib64/libccgnu2-1.3.so.1
#7  0x00002b3a05bc90ea in start_thread () from /lib64/tls/libpthread.so.0
#8  0x00002b3a06d7d3c3 in clone () from /lib64/tls/libc.so.6
#9  0x0000000000000000 in ?? ()
#10 0x0000000000000000 in ?? ()
#11 0x0000000000000000 in ?? ()
#12 0x0000000000000000 in ?? ()