How do I trigger a panic on a s390x system? Updated 2020-04-28T15:32:39+00:00 Issue The kernel provides the panic_on_nmi, panic_on_unrecovered_nmi, or unknown_nmi_panic sysctls for x86 systems only (such as Intel and AMD processors). Environment Red Hat Enterprise Linux on IBM z/VM Subscriber content preview. For full access to the Red Hat Knowledgebase, please log in.Not a subscriber? Learn more about the benefits of Red Hat Subscriptions.