#0  0x7af31050 in _waitpid_sys+0x10 () from /usr/lib/libc.2
No symbol table info available.
#1  0x7af31164 in waitpid+0xc4 () from /usr/lib/libc.2
No symbol table info available.
#2  0x11eeb8 in posix_waitpid () at ./Modules/posixmodule.c:5504
        _save = (struct _ts *) 0x4004d110
        pid = 20669
        options = 0
        status = 0
#3  0x9916c in PyCFunction_Call () at Objects/methodobject.c:108
        meth = 0x400400f2 <posix_waitpid>
        self = (struct _object *) 0x0
        size = 0
#4  0xf0744 in PyEval_EvalFrameEx () at Python/ceval.c:3566
        sp = (struct _object **) 0x402b23e0
        stack_pointer = (struct _object **) 0x2
        next_instr = (unsigned char *) 0x4006b731 "\\\002"
        opcode = 1074057488
        oparg = 1076569064
        why = 1074270416
        err = 0
        x = (struct _object *) 0x4004d110
        v = (struct _object *) 0x0
        w = (struct _object *) 0x400810d0
        u = (struct _object *) 0x7b050224
        t = (struct _object *) 0x4004d110
        stream = (struct _object *) 0x40262710
        fastlocals = (struct _object **) 0x402b23c0
        freevars = (struct _object **) 0x402b23d0
        retval = (struct _object *) 0x0
        tstate = (struct _ts *) 0x4004d110
        co = (struct {...} *) 0x403ad608
        instr_ub = -1
        instr_lb = 0
        instr_prev = -1
        first_instr = (unsigned char *) 0x4006b68c "t"
        names = (struct _object *) 0x400dc0d0
        consts = (struct _object *) 0x403abb70
#5  0x7af31164 in waitpid+0xc4 () from /usr/lib/libc.2
No symbol table info available.