Edit File: 98-kexec.rules
SUBSYSTEM=="cpu", ACTION=="add", GOTO="kdump_reload" SUBSYSTEM=="cpu", ACTION=="remove", GOTO="kdump_reload" SUBSYSTEM=="memory", ACTION=="online", GOTO="kdump_reload" SUBSYSTEM=="memory", ACTION=="offline", GOTO="kdump_reload" GOTO="kdump_reload_end" LABEL="kdump_reload" # If kdump is not loaded, calling "kdumpctl reload" will end up # doing nothing, but it and systemd-run will always generate # extra logs for each call, so trigger the "kdumpctl reload" # only if kdump service is active to avoid unnecessary logs RUN+="/bin/sh -c '/usr/bin/systemctl is-active kdump.service || exit 0; /usr/bin/systemd-run --no-block /usr/lib/udev/kdump-udev-throttler'" LABEL="kdump_reload_end"