[root@toxic1 stelios]# cd /usr/local/apache/bin/
[root@toxic1 bin]# ./apachectl stop
./apachectl stop: httpd stopped
[root@toxic1 bin]# gdb httpd
GNU gdb 5.0
Copyright 2000 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 "i586-mandrake-linux"...
(gdb) run -X
Starting program: /usr/local/apache/bin/httpd -X
warning: Unable to find dynamic linker breakpoint function.
GDB will be unable to debug shared library initializers
and track explicitly loaded dynamic code.

Program received signal SIGSEGV, Segmentation fault.
0x400c0859 in free () from /lib/libc.so.6
(gdb) backtrace
#0  0x400c0859 in free () from /lib/libc.so.6
#1  0x400c06e8 in free () from /lib/libc.so.6
#2  0x4018cb1e in ?? ()
#3  0x4026adfc in ?? ()
#4  0x40281fee in ?? ()
#5  0x4021ef12 in ?? ()
#6  0x4021f286 in ?? ()
#7  0x4021bc66 in ?? ()
#8  0x4021bd1f in ?? ()
#9  0x806b919 in ap_invoke_handler ()
#10 0x80803ff in process_request_internal ()
#11 0x808046a in ap_process_request ()
#12 0x8077346 in child_main ()
#13 0x8077501 in make_child ()
#14 0x807767c in startup_children ()
#15 0x8077cec in standalone_main ()
#16 0x807851c in main ()
#17 0x40086cbe in __libc_start_main () from /lib/libc.so.6
(gdb) quit
The program is running.  Exit anyway? (y or n) y
[root@toxic1 bin]#