#0  0xb6925848 in _pthread_cleanup_push_defer ()
   from /lib/tls/i686/cmov/libpthread.so.0
#1  0xb6c4f37a in ?? () from /lib/tls/i686/cmov/libc.so.6
#2  0xb6c4ff60 in ?? () from /lib/tls/i686/cmov/libc.so.6
#3  0xb6c10bea in exit () from /lib/tls/i686/cmov/libc.so.6
#4  0xb6bf877d in __libc_start_main () from /lib/tls/i686/cmov/libc.so.6
#5  0x08049951 in _start ()