Re: [PATCH 4/5] watchdog: control hard lockup detection default

From: Ingo Molnar
Date: Mon Aug 18 2014 - 05:16:54 EST



* Don Zickus <dzickus@xxxxxxxxxx> wrote:

> The running kernel still has the ability to enable/disable at any
> time with /proc/sys/kernel/nmi_watchdog us usual. However even
> when the default has been overridden /proc/sys/kernel/nmi_watchdog
> will initially show '1'. To truly turn it on one must disable/enable
> it, i.e.
> echo 0 > /proc/sys/kernel/nmi_watchdog
> echo 1 > /proc/sys/kernel/nmi_watchdog

This looks like a bug, why is this so?

Thanks,

Ingo
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