root@tsubame(51)# gdb /usr/sbin/apache2 GNU gdb 6.0 Copyright 2003 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Type "show copying" to see the conditions. There is absolutely no warranty for GDB. Type "show warranty" for details. This GDB was configured as "i686-pc-linux-gnu"... (no debugging symbols found)...Using host libthread_db library "/lib/libthread_db.so.1". (gdb) run -X Starting program: /usr/sbin/apache2 -X warning: Unable to find dynamic linker breakpoint function. GDB will be unable to debug shared library initializers and track explicitly loaded dynamic code. (no debugging symbols found)...(no debugging symbols found)... (no debugging symbols found)... Program received signal SIGSEGV, Segmentation fault. 0x0806f665 in ap_update_vhost_given_ip () (gdb) quit The program is running. Exit anyway? (y or n) y