This error is for binary "logonserver" on a Linux 2.6.20-x kernel. Program received signal SIGSEGV, Segmentation fault. [Switching to Thread -1240122464 (LWP 4888)] 0x08054022 in AuthSocket::OnDisconnect (this=0x91e1b10) at AuthSocket.cpp:53 53 sInfoCore.DeleteSessionKey(m_account->AccountId); (gdb) backtrace #0 0x08054022 in AuthSocket::OnDisconnect (this=0x91e1b10) at AuthSocket.cpp:53 #1 0x08068175 in Socket::Disconnect (this=0x91e1b10) at Network/Socket.cpp:197 #2 0x08069090 in Socket::ReadCallback (this=0x91e1b10, len=0) at Network/SocketLinux.cpp:38 #3 0x0806947c in SocketWorkerThread::run (this=0x91de288) at Network/SocketMgrLinux.cpp:102 #4 0x080588fc in thread_func (args=0x91de288) at ../shared/Threading/ThreadStarter.h:56 #5 0x42052433 in start_thread () from /lib/libpthread.so.0 #6 0x41f6ba1e in clone () from /lib/libc.so.6