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Date: Mon, 18 Aug 2014 11:16:44 +0200
From: Ingo Molnar <mingo@kernel.org>
To: Don Zickus <dzickus@redhat.com>
Cc: akpm@linux-foundation.org, kvm@vger.kernel.org, pbonzini@redhat.com,
        mingo@redhat.com, LKML <linux-kernel@vger.kernel.org>,
        Ulrich Obergfell <uobergfe@redhat.com>,
        Andrew Jones <drjones@redhat.com>
Subject: Re: [PATCH 4/5] watchdog: control hard lockup detection default
Message-ID: <20140818091644.GE25495@gmail.com>
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* Don Zickus <dzickus@redhat.com> 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