Hello Joe, Here is output from the backtrace: [root@gcs ~]# gdb /usr/sbin/httpd GNU gdb Red Hat Linux (6.1post-1.20040607.62rh) Copyright 2004 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 "i386-redhat-linux-gnu"...(no debugging symbols found)...Using host libthread_db library "/lib/tls/libthread_db.so.1". (gdb) run -X Starting program: /usr/sbin/httpd -X (no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...[Thread debugging using libthread_db enabled] [New Thread -1208101184 (LWP 17041)] (no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)... Program received signal SIGSEGV, Segmentation fault. [Switching to Thread -1208101184 (LWP 17041)] 0x00b33806 in SmInit () from /usr/local/netegrity/siteminder/webagent/lib/libmod_sm20.so (gdb) backtrace #0 0x00b33806 in SmInit () from /usr/local/netegrity/siteminder/webagent/lib/libmod_sm20.so #1 0x009b4515 in ap_run_post_config () from /usr/sbin/httpd #2 0x009ba2af in main () from /usr/sbin/httpd (gdb) Any ideas? Thanks. Saqib Ali http://validate.sf.net Joe Orton <jorton@xxxxxxxxx m> To Sent by: Saqib.N.Ali@xxxxxxxxxxx nahant-list-bounc cc es@xxxxxxxxxx nahant-list@xxxxxxxxxx, No Phone Info users@xxxxxxxxxxxxxxxx Available Subject Re: [users@httpd] unable to start Apache 2.0 with libmod_sm20.so on 02/25/2005 12:53 RH 4.0 ES AM Please respond to "Red Hat Enterprise Linux 4 (Nahant) Discussion List" <nahant-list@redh at.com> On Thu, Feb 24, 2005 at 10:07:00PM -0800, Saqib.N.Ali@xxxxxxxxxxx wrote: > After enabling the SiteMinder WebAgent Module (libmod_sm20.so), the Apache > 2.x does not start anymore. There are no error msg in the error_log or the > "apachectl configtest". But the apache doesn't start either. > > I am using RH 4.0 ES with the defualt Apache installation. The SELinux > option is set to disabled. Is it segfaulting? Try: # gdb /usr/sbin/httpd ... (gdb) run -X then enter "backtrace" if it segfaults. joe -- nahant-list mailing list nahant-list@xxxxxxxxxx http://www.redhat.com/mailman/listinfo/nahant-list --------------------------------------------------------------------- The official User-To-User support forum of the Apache HTTP Server Project. See <URL:http://httpd.apache.org/userslist.html> for more info. To unsubscribe, e-mail: users-unsubscribe@xxxxxxxxxxxxxxxx " from the digest: users-digest-unsubscribe@xxxxxxxxxxxxxxxx For additional commands, e-mail: users-help@xxxxxxxxxxxxxxxx