Did some more reading... hope this helps: CentOS 4 Server

Linux linux.domain.com 2.6.9-5.0.3.ELsmp #1 SMP Sat Feb 19 19:38:02 CST 2005 i686 i686 i386 GNU/Linux

Trying to do dns testing bb-hosts: [snip] 0.0.0.0 dns.domain.com # dns

[hobbit at linux server]$ gdb bin/bbtest-net tmp/core.24725 GNU gdb Red Hat Linux (6.3.0.0-0.31rh) 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"...Using host libthread_db library "/lib/tls/libthread_db.so.1".

Core was generated by `bbtest-net --report --ping --checkresponse'. Program terminated with signal 6, Aborted. Reading symbols from /usr/lib/libldap-2.2.so.7...done. Loaded symbols for /usr/lib/libldap-2.2.so.7 Reading symbols from /usr/lib/liblber-2.2.so.7...done. Loaded symbols for /usr/lib/liblber-2.2.so.7 Reading symbols from /lib/libssl.so.4...done. Loaded symbols for /lib/libssl.so.4 Reading symbols from /lib/libcrypto.so.4...done. Loaded symbols for /lib/libcrypto.so.4 Reading symbols from /lib/tls/libc.so.6...done. Loaded symbols for /lib/tls/libc.so.6 Reading symbols from /lib/libresolv.so.2...done. Loaded symbols for /lib/libresolv.so.2 Reading symbols from /usr/lib/libsasl2.so.2...done. Loaded symbols for /usr/lib/libsasl2.so.2 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/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/ld-linux.so.2...done. Loaded symbols for /lib/ld-linux.so.2 Reading symbols from /lib/libcrypt.so.1...done. Loaded symbols for /lib/libcrypt.so.1 Reading symbols from /lib/libnss_files.so.2...done. Loaded symbols for /lib/libnss_files.so.2 #0 0x0073a7a2 in ?? () from /lib/ld-linux.so.2 (gdb) bt #0 0x0073a7a2 in ?? () from /lib/ld-linux.so.2 #1 0x0077a7d5 in raise () from /lib/tls/libc.so.6 #2 0x0077c149 in abort () from /lib/tls/libc.so.6 #3 0x0805dc16 in sigsegv_handler (signum=11) at sig.c:57 #4 0x0077a8c8 in killpg () from /lib/tls/libc.so.6 #5 0x08060677 in next_server (channel=0x884c318, query=0x100e00, now=1126485130) at ares_process.c:404 #6 0x08060d5a in ares_process (channel=0x884c318, read_fds=0xbff38850, write_fds=0xbff387d0) at ares_process.c:288 #7 0x08055b36 in dns_queue_run (channel=0x884c318) at dns.c:202 #8 0x08055de6 in flush_dnsqueue () at dns.c:231 #9 0x0804f898 in main (argc=4, argv=0xbff39c94) at bbtest-net.c:2194 (gdb)

Craig Cook

Systems Monitoring Consulting and Support Services http://www.cookitservices.com