Why I am unable to disable NMI watchdog using sysctl command on RHEL-5 ?
Issue
- Why disabling NMI watchdog using command "sysctl -w kernel.nmi_watchdog=0" given an error: "kernel.nmi_watchdog is an unknown key" ?
Eg:
# sysctl -w kernel.nmi_watchdog=0
error: "kernel.nmi_watchdog" is an unknown key
Environment
- Red Hat Enterprise Linux 5
- kernel-2.6.18-194.el5 and earlier
- kernel.nmi_watchdog
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