1 pid .... Thread .... first 2 pid .... Thread .... second 3 pid .... Thread .... third 4 pid .... Thread .... fourth 5 pid .... Thread .... after next: inferior call pushed from mcbreak.stdinB.gdb 6 pid .... Thread .... called from level 7 called from level int_und is not zero 8 pid .... Thread .... called from main 9