Segfault happened at: 0x7feaa3ce1419 <_ZN16QCoreApplication14notifyInternalEP7QObjectP6QEvent+137>: callq *0x60(%rax) PC (0x7feaa3ce1419) ok source "*0x60(%rax)" ok destination "(%rsp)" (0x7fff1a6082e0) ok SP (0x7fff1a6082e0) ok Reason could not be automatically determined.