From owner-freebsd-questions@FreeBSD.ORG  Mon Jun 28 16:01:34 2004
Return-Path: <owner-freebsd-questions@FreeBSD.ORG>
Delivered-To: freebsd-questions@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP
	id 8747616A4CE; Mon, 28 Jun 2004 16:01:34 +0000 (GMT)
Received: from bewilderbeast.blackhelicopters.org
	(bewilderbeast.blackhelicopters.org [198.22.63.43])
	by mx1.FreeBSD.org (Postfix) with ESMTP
	id 4188943D3F; Mon, 28 Jun 2004 16:01:32 +0000 (GMT)
	(envelope-from mwlucas@bewilderbeast.blackhelicopters.org)
Received: from bewilderbeast.blackhelicopters.org (mwlucas@localhost
	[127.0.0.1])i5SG1VuF092871;	Mon, 28 Jun 2004 12:01:31 -0400 (EDT)
	(envelope-from mwlucas@bewilderbeast.blackhelicopters.org)
Received: (from mwlucas@localhost)i5SG1UAH092870;
	Mon, 28 Jun 2004 12:01:31 -0400 (EDT)	(envelope-from mwlucas)
Date: Mon, 28 Jun 2004 12:01:30 -0400
From: "Michael W. Lucas" <mwlucas@blackhelicopters.org>
To: Rob <stopspam@users.sourceforge.net>
Message-ID: <20040628160130.GA92831@bewilderbeast.blackhelicopters.org>
References: <40DF92F2.2030407@users.sourceforge.net>
	<20040628145027.GA92086@bewilderbeast.blackhelicopters.org>
	<40E03C05.4070001@users.sourceforge.net>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <40E03C05.4070001@users.sourceforge.net>
User-Agent: Mutt/1.4.1i
X-Spam-Score: (0) 
X-Scanned-By: MIMEDefang 2.39
cc: freebsd-stable@freebsd.org
cc: freebsd-questions@freebsd.org
Subject: Re: Maximum uptime 497 days?
X-BeenThere: freebsd-questions@freebsd.org
X-Mailman-Version: 2.1.1
Precedence: list
List-Id: User questions <freebsd-questions.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>,
	<mailto:freebsd-questions-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-questions>
List-Post: <mailto:freebsd-questions@freebsd.org>
List-Help: <mailto:freebsd-questions-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>,
	<mailto:freebsd-questions-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Mon, 28 Jun 2004 16:01:34 -0000

On Tue, Jun 29, 2004 at 12:40:53AM +0900, Rob wrote:
> Michael W. Lucas wrote:
> >Hi,
> >
> >This tickles something in the back of my memory.
> >
> >You aren't by chance talking about remote uptime detection,
> >Netcraft-style, are you?
> >
> >IIRC, that rolls over to 0 at 497 days.  But actual system uptime is
> >unaffected.
> 
> Yes, I read it first time on a Netcraft's webpage, then googled and found
> other reports as well. So this 497 limitation is only for Netscaft's way
> of measuring up-time?
> 
> Rob.

Yep.

It's a counter that rolls over in the TCP stack.

==ml

-- 
Michael Lucas		mwlucas@FreeBSD.org, mwlucas@BlackHelicopters.org
   "I'm sorry, but 'Social Darwinism' is no excuse for killing all of 
	           your co-workers."  -- Ivan Brunetti
		http://www.BlackHelicopters.org/~mwlucas/