[root@new_server dhcp-4.3.2]# gdb --args dhcpd -4 -pf /run/dhcpd4.pid -cf /etc/dhcp/dhcp_test.conf -lf /var/db/dhcpd/dhcpd4.leases -f -d GNU gdb (GDB) Red Hat Enterprise Linux 7.6.1-64.el7 Copyright (C) 2013 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-redhat-linux-gnu". For bug reporting instructions, please see: ... Reading symbols from /usr/sbin/dhcpd...done. (gdb) set verbose (gdb) run Starting program: /usr/sbin/dhcpd -4 -pf /run/dhcpd4.pid -cf /etc/dhcp/dhcp_test.conf -lf /var/db/dhcpd/dhcpd4.leases -f -d Reading symbols from /lib64/ld-linux-x86-64.so.2...Reading symbols from /usr/lib/debug/usr/lib64/ld-2.17.so.debug...done. done. Loaded symbols for /lib64/ld-linux-x86-64.so.2 Reading symbols from system-supplied DSO at 0x7ffff7ffa000...(no debugging symbols found)...done. Reading symbols from /lib64/liblber-2.4.so.2...Reading symbols from /usr/lib/debug/usr/lib64/liblber-2.4.so.2.10.2.debug...done. done. Loaded symbols for /lib64/liblber-2.4.so.2 Reading symbols from /lib64/libldap-2.4.so.2...Reading symbols from /usr/lib/debug/usr/lib64/libldap-2.4.so.2.10.2.debug...done. done. Loaded symbols for /lib64/libldap-2.4.so.2 Reading symbols from /lib64/libc.so.6...Reading symbols from /usr/lib/debug/usr/lib64/libc-2.17.so.debug...done. done. Loaded symbols for /lib64/libc.so.6 Reading symbols from /lib64/libresolv.so.2...Reading symbols from /usr/lib/debug/usr/lib64/libresolv-2.17.so.debug...done. done. Loaded symbols for /lib64/libresolv.so.2 Reading symbols from /lib64/libsasl2.so.3...Reading symbols from /usr/lib/debug/usr/lib64/libsasl2.so.3.0.0.debug...done. done. Loaded symbols for /lib64/libsasl2.so.3 Reading symbols from /lib64/libssl3.so...Reading symbols from /usr/lib/debug/usr/lib64/libssl3.so.debug...done. done. Loaded symbols for /lib64/libssl3.so Reading symbols from /lib64/libsmime3.so...Reading symbols from /usr/lib/debug/usr/lib64/libsmime3.so.debug...done. done. Loaded symbols for /lib64/libsmime3.so Reading symbols from /lib64/libnss3.so...Reading symbols from /usr/lib/debug/usr/lib64/libnss3.so.debug...done. done. Loaded symbols for /lib64/libnss3.so Reading symbols from /lib64/libnssutil3.so...Reading symbols from /usr/lib/debug/usr/lib64/libnssutil3.so.debug...done. done. Loaded symbols for /lib64/libnssutil3.so Reading symbols from /lib64/libplds4.so...Reading symbols from /usr/lib/debug/usr/lib64/libplds4.so.debug...done. done. Loaded symbols for /lib64/libplds4.so Reading symbols from /lib64/libplc4.so...Reading symbols from /usr/lib/debug/usr/lib64/libplc4.so.debug...done. done. Loaded symbols for /lib64/libplc4.so Reading symbols from /lib64/libnspr4.so...Reading symbols from /usr/lib/debug/usr/lib64/libnspr4.so.debug...done. done. Loaded symbols for /lib64/libnspr4.so Reading symbols from /lib64/libpthread.so.0...Reading symbols from /usr/lib/debug/usr/lib64/libpthread-2.17.so.debug...done. done. [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib64/libthread_db.so.1". Loaded symbols for /lib64/libpthread.so.0 Reading symbols from /lib64/libdl.so.2...Reading symbols from /usr/lib/debug/usr/lib64/libdl-2.17.so.debug...done. done. Loaded symbols for /lib64/libdl.so.2 Reading symbols from /lib64/libcrypt.so.1...Reading symbols from /usr/lib/debug/usr/lib64/libcrypt-2.17.so.debug...done. done. Loaded symbols for /lib64/libcrypt.so.1 Reading symbols from /lib64/libz.so.1...Reading symbols from /usr/lib/debug/usr/lib64/libz.so.1.2.7.debug...done. done. Loaded symbols for /lib64/libz.so.1 Reading symbols from /lib64/librt.so.1...Reading symbols from /usr/lib/debug/usr/lib64/librt-2.17.so.debug...done. done. Loaded symbols for /lib64/librt.so.1 Reading symbols from /lib64/libfreebl3.so...Reading symbols from /usr/lib/debug/usr/lib64/libfreebl3.so.debug...done. done. Loaded symbols for /lib64/libfreebl3.so Internet Systems Consortium DHCP Server 4.3.2 Copyright 2004-2015 Internet Systems Consortium. All rights reserved. For info, please visit https://www.isc.org/software/dhcp/ Reading symbols from /lib64/libnss_files.so.2...Reading symbols from /usr/lib/debug/usr/lib64/libnss_files-2.17.so.debug...done. done. Loaded symbols for /lib64/libnss_files.so.2 Cannot set LDAP TLS crl check option: Can't contact LDAP server Cannot init ldap session to ldap://ldaptest.example.com:389 Configuration file errors encountered -- exiting If you think you have received this message due to a bug rather than a configuration issue please read the section on submitting bugs on either our web page at www.isc.org or in the README file before submitting a bug. These pages explain the proper process and the information we find helpful for debugging.. exiting. [Inferior 1 (process 4544) exited with code 01] (gdb)