#0 0x000000000060f5b0 in vtable for __cxxabiv1::__class_type_info () No symbol table info available. #1 0x00007f9c54b680a7 in QThreadStorageData::set(void*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4 No symbol table info available. #2 0x00007f9c551fce7a in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4 No symbol table info available. #3 0x00007f9c55188bd4 in QApplication::~QApplication() () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4 No symbol table info available. #4 0x0000000000405141 in ?? () No symbol table info available. #5 0x00007f9c5393330d in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #6 0x00000000004055c9 in _start () No symbol table info available.