During rapid succession "offline" or "online" of multiple processors, kdump may become disabled
Issue
When multiple processors are "offlined" and "onlined" in rapid succession, kdump may become disabled on certain systems.
Environment
RHEL7
Kdump
Kexec-tools
Diagnoses
When this issue occurs, messages similar to the following may be seen in the syslogs:
Oct 22 16:15:50 test kdumpctl: kexec: loaded kdump kernel
Oct 22 16:1...Subscriber exclusive content
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