. Thread 2 (process 17487): #0 0xffffe410 in __kernel_vsyscall () #1 0xb6b1f5c6 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0 #2 0xb7036b98 in Glib::Cond::wait () from /usr/lib/libglibmm-2.4.so.1 #3 0x0813ca5f in MQQueryDispatcher::mysql_query_thread () #4 0xb7037488 in ?? () from /usr/lib/libglibmm-2.4.so.1 #5 0xb6cb6b7f in ?? () from /usr/lib/libglib-2.0.so.0 #6 0x0881e880 in ?? () #7 0x0881e350 in ?? () #8 0x0867e064 in ?? () #9 0xb6b1a9b0 in __nptl_deallocate_tsd () from /lib/tls/i686/cmov/libpthread.so.0 #10 0xb6b1b31b in start_thread () from /lib/tls/i686/cmov/libpthread.so.0 #11 0xb6aa457e in clone () from /lib/tls/i686/cmov/libc.so.6 . Thread 1 (process 17479): #0 0xb6bafa97 in std::_List_node_base::hook () from /usr/lib/libstdc++.so.6 #1 0x08134272 in std::list >::insert () #2 0x08198d87 in MQSQLCodeEditor::move_cursor () #3 0xb7689703 in ?? () from /usr/lib/libgtkmm-2.4.so.1 #4 0xb71dfbfd in _gtk_marshal_VOID__BOXED_OBJECT () from /usr/lib/libgtk-x11-2.0.so.0 #5 0xb6d1262b in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0 #6 0xb6d233f1 in ?? () from /usr/lib/libgobject-2.0.so.0 #7 0x08998410 in ?? () #8 0x00000000 in ?? ()