ps -axf | grep bgp Warning: bad syntax, perhaps a bogus '-'? See /usr/share/doc/procps-3.2.3/FAQ 5935 pts/2 S 0:00 | \_ xorp_bgp 5940 pts/3 S+ 0:00 | \_ grep bgp [root@localhost rtrmgr]# gdb xorp_bgp 5935 GNU gdb Red Hat Linux (6.3.0.0-1.132.EL4rh) 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"...xorp_bgp: No such file or directory. Attaching to process 5935 Reading symbols from /usr/local/xorp/bgp/xorp_bgp...done. Using host libthread_db library "/lib/tls/libthread_db.so.1". Reading symbols from /lib/libcrypto.so.4...done. Loaded symbols for /lib/libcrypto.so.4 Reading symbols from /lib/tls/librt.so.1...done. Loaded symbols for /lib/tls/librt.so.1 Reading symbols from /usr/lib/libstdc++.so.6...done. Loaded symbols for /usr/lib/libstdc++.so.6 Reading symbols from /lib/tls/libm.so.6...done. Loaded symbols for /lib/tls/libm.so.6 Reading symbols from /lib/libgcc_s.so.1...done. Loaded symbols for /lib/libgcc_s.so.1 Reading symbols from /lib/tls/libc.so.6...done. Loaded symbols for /lib/tls/libc.so.6 Reading symbols from /usr/lib/libgssapi_krb5.so.2...done. Loaded symbols for /usr/lib/libgssapi_krb5.so.2 Reading symbols from /usr/lib/libkrb5.so.3...done. Loaded symbols for /usr/lib/libkrb5.so.3 Reading symbols from /lib/libcom_err.so.2...done. Loaded symbols for /lib/libcom_err.so.2 Reading symbols from /usr/lib/libk5crypto.so.3...done. Loaded symbols for /usr/lib/libk5crypto.so.3 Reading symbols from /lib/libresolv.so.2...done. Loaded symbols for /lib/libresolv.so.2 Reading symbols from /lib/libdl.so.2...done. Loaded symbols for /lib/libdl.so.2 Reading symbols from /usr/lib/libz.so.1...done. Loaded symbols for /usr/lib/libz.so.1 Reading symbols from /lib/tls/libpthread.so.0...done. [Thread debugging using libthread_db enabled] [New Thread -1208432416 (LWP 5935)] Loaded symbols for /lib/tls/libpthread.so.0 Reading symbols from /lib/ld-linux.so.2...done. Loaded symbols for /lib/ld-linux.so.2 0x002bd7a2 in _dl_sysinfo_int80 () from /lib/ld-linux.so.2 (gdb) bt #0 0x002bd7a2 in _dl_sysinfo_int80 () from /lib/ld-linux.so.2 #1 0x0039ba0d in ___newselect_nocancel () from /lib/tls/libc.so.6 #2 0x082a13b3 in SelectorList::wait_and_dispatch (this=0xbffe894c, timeout=@0xbffe67f8) at selector.cc:389 #3 0x0828ffd3 in EventLoop::run (this=0xbffe8910) at eventloop.cc:137 #4 0x08050ab6 in BGPMain::main_loop (this=0xbffe87d0) at bgp.cc:797 #5 0x0805e25f in main (argv=0xbffe8b94) at main.cc:88 (gdb)