(gdb) bt full
#0  0xb7f12410 in ?? ()
No symbol table info available.
#1  0xb08fef68 in ?? ()
No symbol table info available.
#2  0x00000006 in ?? ()
No symbol table info available.
#3  0xb788e8b1 in abort () from /lib/tls/i686/cmov/libc.so.6
No symbol table info available.
#4  0xb788608e in __assert_fail () from /lib/tls/i686/cmov/libc.so.6
No symbol table info available.
#5  0x081714f3 in InstanceMap::Add (this=0xacd00018, player=0x12ee66c0) at Map.cpp:516
        data = {<ByteBuffer> = {static DEFAULT_SIZE = 4096, _rpos = 317613760, _wpos = 544,
    _storage = {<std::_Vector_base<unsigned char,std::allocator<unsigned char> >> = {
        _M_impl = {<std::allocator<unsigned char>> = {<__gnu_cxx::new_allocator<unsigned char>> = {<No data fields>}, <No data fields>},
          _M_start = 0xa9301250 "\001", _M_finish = 0xb08ff138 "\210�\217�t�4\b\030",
          _M_end_of_storage = 0x818d54c "\205�\211�t\024\205�t\020\213@4\205�t\t\213@\004H\203�\001v\b\203�\024\211�[]�\211]\f\211U\b\203�\024[]�b\n\034"}}, <No data fields>}}, m_opcode = 32288}
        groupBind = <value optimized out>
        pGroup = (Group *) 0xa946c888
        __PRETTY_FUNCTION__ = "virtual bool InstanceMap::Add(Player*)"
#6  0x0834e974 in WorldSession::HandleMoveWorldportAckOpcode (this=0xa9301250) at MovementHandler.cpp:51
        mEntry = (const MapEntry *) 0x868ecd0
        mInstance = (const InstanceTemplate *) 0x877a8f8
        success = <value optimized out>
        corpse = <value optimized out>
        __PRETTY_FUNCTION__ = "void WorldSession::HandleMoveWorldportAckOpcode(WorldPacket&)"
#7  0x082dafca in WorldSession::Update (this=0xa9301250) at WorldSession.cpp:576
        packet = (WorldPacket *) 0xa5bc06a8
        currTime = <value optimized out>
#8  0x082cf9c7 in World::UpdateSessions (this=0x85d1820, diff=96) at World.cpp:1951
        next = {_M_cur = 0xac100948, _M_ht = 0x85d187c}
#9  0x082d6a31 in World::Update (this=0x85d1820, diff=96) at World.cpp:987
        i = 3
        AuctionMap = (AuctionHouseObject *) 0x85d252c
#10 0x080f7feb in WorldRunnable::run (this=0xb1709ca8) at WorldRunnable.cpp:61
        diff = 96
        realCurrTime = 3889276381
        realPrevTime = <value optimized out>
        prevSleepTime = 92
#11 0xb7b17cf9 in ZThread::ThreadImpl::dispatch (parent=0x85ae838, impl=0xb3cfbe28, task=@0xb08ff394) at ThreadImpl.cxx:407
No locals.
#12 0xb7b1a364 in ZThread::(anonymous namespace)::Launcher::run (this=0xbfc5accc) at ThreadImpl.cxx:49
No locals.
#13 0xb7b1de2c in _dispatch (arg=0x6) at posix/ThreadOps.cxx:137
        __PRETTY_FUNCTION__ = "void* ZThread::_dispatch(void*)"
#14 0xb7ada4fb in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
No symbol table info available.
#15 0xb79388ee in clone () from /lib/tls/i686/cmov/libc.so.6
No symbol table info available.