#0  0x00acac33 in pthread_mutex_init () from /lib/tls/libpthread.so.0
(gdb) backtrace
#0  0x00acac33 in pthread_mutex_init () from /lib/tls/libpthread.so.0
#1  0x00af82fe in isc_app_start () from /usr/lib/libisc.so.7
#2  0x0804e3e3 in ?? ()
#3  0x080557c1 in _IO_stdin_used ()
#4  0x080581d8 in ?? ()
#5  0xbffcf3e8 in ?? ()
#6  0x0804ae4d in _init ()
#7  0x0096fe23 in __libc_start_main () from /lib/tls/libc.so.6
#8  0x0804b921 in ?? ()
(gdb)