Kdump service fails to start with the error message: "kdump: makedumpfile parameter check failed".

Issue

• When core_collector makedumpfile is specified without options in /etc/kdump.conf, the kdump service fails to start with the error: kdump: makedumpfile parameter check failed.

Red Hat Enterprise Linux 8

# kdumpctl restart
kdump: kexec: unloaded kdump kernel
kdump: Stopping kdump: [OK]
kdump: Detected change(s) in the following file(s):  /etc/kdump.conf
kdump: Rebuilding /boot/initramfs-4.18.0-372.89.1.el8_6.x86_64kdump.img
Commandline parameter is invalid.
Try `makedumpfile --help' for more information.
kdump: makedumpfile parameter check failed.
kdump: mkdumprd: failed to make kdump initrd
kdump: Starting kdump: [FAILED]

Red Hat Enterprise Linux 9

# kdumpctl restart
kdump: kexec: unloaded kdump kernel
kdump: Stopping kdump: [OK]
kdump: Detected change(s) in the following file(s):  /etc/kdump.conf
kdump: Rebuilding /boot/initramfs-5.14.0-396.el9.x86_64kdump.img
Commandline parameter is invalid.
Try `makedumpfile --help' for more information.
kdump: makedumpfile parameter check failed.
kdump: mkdumprd: failed to make kdump initrd
kdump: Starting kdump: [FAILED]