# /etc/init.d/kdump restart
Stopping kdump: [ OK ]
Detected change(s) the following file(s):

/etc/kdump.conf
Rebuilding /boot/initrd-2.6.32-431.20.3.el6.x86_64kdump.img
No module linuxshield found for kernel 2.6.32-431.20.3.el6.x86_64, aborting.
Failed to run mkdumprd
Starting kdump: [FAILED]