SYZFAIL: SYZFAIL: unable to do an async call in a non-threaded mode (errno 22: Invalid argument) SYZFAIL: child failed (errno 0: Undefined error: 0) SYZFAIL: SYZFAIL: unable to do an async call in a non-threaded mode (errno 22: Invalid argument) SYZFAIL: child failed (errno 0: Undefined error: 0)