Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 1271966640 (LWP 25473)]
RandomMovementGenerator::Update (this=0x61e746d0, creature=@0x18,
    diff=@0x4bd0a0e8) at Unit.h:528
528             bool hasUnitState(const uint32 f) const { return (m_state & f);                                                                               }
(gdb) bt
#0  RandomMovementGenerator::Update (this=0x61e746d0, creature=@0x18,
    diff=@0x4bd0a0e8) at Unit.h:528
#1  0x0815c9f3 in Player::RemoveFromWorld (this=0x616ccb50) at Player.cpp:1366
#2  0x08103f68 in Map::Remove (this=0x9a09378, player=0x616ccb50, remove=false)
    at Map.cpp:748
#3  0x081f73ee in WorldSession::LogoutPlayer (this=0x612c4ed0, Save=true)
    at WorldSession.cpp:272
#4  0x081f7dc6 in WorldSession::Update (this=0x612c4ed0, diff=124)
    at WorldSession.cpp:153
#5  0x081f4d45 in World::Update (this=0x841c490, diff=124) at World.cpp:584
#6  0x080b0807 in WorldRunnable::run (this=0x99f13d0) at WorldRunnable.cpp:52
#7  0x402d0229 in ZThread::ThreadImpl::dispatch (parent=0x841c1a8,
    impl=0x9a04498, task=@0x4bd0a424) at ThreadImpl.cxx:407
#8  0x402d2894 in ZThread::(anonymous namespace)::Launcher::run (
    this=0xbffff60c) at ThreadImpl.cxx:49
#9  0x402d635c in _dispatch (arg=0x61e746d0) at posix/ThreadOps.cxx:137
#10 0x402e70bd in start_thread () from /lib/tls/libpthread.so.0
#11 0x404d49ee in clone () from /lib/tls/libc.so.6