我正和一位朋友一起开展一个项目，但是我们遇到了问题，因为我们的应用程序崩溃了。我在gdb中运行它并在使用命令bt full后得到了它。这是什么意思？
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7ffff5936700 (LWP 3173)]
0x00007ffff69ece9b in ?? () from /lib/x86_64-linux-gnu/libc.so.6
(gdb) bt full
#0 0x00007ffff69ece9b in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1 0x00000000009a05cc in OutputMessage::append(NetworkMessage const&) ()
No symbol table info available.
#2 0x000000000098fac6 in ProtocolGame::writeToOutputBuffer(NetworkMessage const&) ()
No symbol table info available.
#3 0x00000000009955c0 in ProtocolGame::sendChannelEvent(unsigned short, std::string const&, ChannelEvent_t) ()
No symbol table info available.
#4 0x000000000098cd9f in ProtocolGame::releaseProtocol() ()
No symbol table info available.
#5 0x00000000007e262b in std::_Mem_fn<void (Protocol::*)()>::operator()(Protocol*) const ()
No symbol table info available.
#6 0x00000000007e1600 in _ZNSt5_BindIFSt7_Mem_fnIM8ProtocolFvvEEPS1_EE6__callIvJEJLm0EEEET_OSt5tupleIJDpT0_EESt12_Index_tupleIJXspT1_EEE ()
No symbol table info available.
#7 0x00000000007dfa94 in _ZNSt5_BindIFSt7_Mem_fnIM8ProtocolFvvEEPS1_EEclIJEvEET0_DpOT_ ()
No symbol table info available.
#8 0x00000000007dc736 in std::_Function_handler<void (), std::_Bind<std::_Mem_fn<void (Protocol::*)()> (Protocol*)> >::_M_invoke(std::_Any_data const&) ()
---Type <return> to continue, or q <return> to quit---
No symbol table info available.
#9 0x00000000009fd7a4 in std::function<void ()>::operator()() const ()
No symbol table info available.
#10 0x00000000009fd678 in Task::operator()() ()
No symbol table info available.
#11 0x00000000009fd208 in Dispatcher::dispatcherThread() ()
No symbol table info available.
#12 0x00000000009fee1b in std::_Mem_fn<void (Dispatcher::*)()>::operator()(Dispatcher*) const ()
No symbol table info available.
#13 0x00000000009fed6b in _ZNSt12_Bind_simpleIFSt7_Mem_fnIM10DispatcherFvvEEPS1_EE9_M_invokeIJLm0EEEEvSt12_Index_tupleIJXspT_EEE ()
No symbol table info available.
#14 0x00000000009fec69 in std::_Bind_simple<std::_Mem_fn<void (Dispatcher::*)()> (Dispatcher*)>::operator()() ()
No symbol table info available.
#15 0x00000000009fec02 in std::thread::_Impl<std::_Bind_simple<std::_Mem_fn<void (Dispatcher::*)()> (Dispatcher*)> >::_M_run() ()
No symbol table info available.
#16 0x00007ffff71a3400 in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
No symbol table info available.
#17 0x00007ffff66b4b50 in start_thread ()
from /lib/x86_64-linux-gnu/libpthread.so.0
---Type <return> to continue, or q <return> to quit---
No symbol table info available.
#18 0x00007ffff69a60ed in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#19 0x0000000000000000 in ?? ()
No symbol table info available.
我像往常一样正常编译我的程序。