StacktraceTop: ?? () __libc_start_main (main=0x804b200 <main(int, char**)>, argc=7, ubp_av=0xbfc2d6d4, init=0x80609b0 <__libc_csu_init>, fini=0x8060a20 <__libc_csu_fini>, rtld_fini=0xb77c2600 <_dl_fini>, stack_end=0xbfc2d6cc) at libc-start.c:260 _start ()
StacktraceTop: 0xb77c2600 <_dl_fini>, stack_end= 0xbfc2d6cc) at libc-start.c:260
?? ()
__libc_start_main (main=0x804b200 <main(int, char**)>, argc=7, ubp_av=0xbfc2d6d4, init=0x80609b0 <__libc_csu_init>, fini=0x8060a20 <__libc_csu_fini>, rtld_fini=
_start ()