During rapid succession "offline" or "online" of multiple processors, kdump may become disabled
Updated -
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
A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.
