kdump service fails to start with "kdumpctl: Usage kdump.conf: default {reboot|halt|poweroff|shell|dump_to_rootfs}"

Solution Verified - Updated -


  • kdump service fails to start and shows the below message:

    [root@localhost ~]# kdumpctl start
    Usage kdump.conf: default {reboot|halt|poweroff|shell|dump_to_rootfs}
    Starting kdump: [FAILED]


  • Red Hat Enterprise Linux 7
  • kexec-tools

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