/proc/sys/kernel/panic_on_unrecovered_nmi is not enabled by default

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Issue

According to Red Hat Enterprise Linux 4 Update 3 Release Notes, /proc/sys/kernel/panic_on_unrecovered_nmi should be enabled by default however. It's actually set to "0" by default.

Environment

Red Hat Enterprise Linux(RHEL)
- 4
- 5

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