# gdb /usr/sbin/csync2 
GNU gdb 6.8
Copyright (C) 2008 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "i686-pc-linux-gnu"...
(gdb) run -x
Starting program: /usr/sbin/csync2 -x

Program received signal SIGSEGV, Segmentation fault.
0xb7ebbcc4 in _IO_default_xsputn () from /lib/libc.so.6
(gdb) bt
#0  0xb7ebbcc4 in _IO_default_xsputn () from /lib/libc.so.6
#1  0xb7e90914 in vfprintf () from /lib/libc.so.6
#2  0xb7eb041c in vsprintf () from /lib/libc.so.6
#3  0xb7e997bb in sprintf () from /lib/libc.so.6
#4  0x0805922d in conn_check_peer_cert (peername=0x8509fe0 "geordi", callfatal=1) at conn.c:239
#5  0x08055d52 in connect_to_host (peername=0x8509fe0 "geordi") at update.c:81
#6  0x080570e5 in csync_update_host (peername=0x8509fe0 "geordi", patlist=0x0, patnum=0, recursive=0, dry_run=0) at update.c:559
#7  0x08057568 in csync_update (patlist=0x0, patnum=0, recursive=0, dry_run=0) at update.c:646
#8  0x08050864 in main (argc=2, argv=0xbffcf5c4) at csync2.c:554
(gdb)