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From: Chris Friesen <cfriesen@nortelnetworks.com>
To: stephan@a2000.nu
Cc: linux-kernel@vger.kernel.org
Subject: Re: uptime reset on 2.4.11/12 (and maybe newer versions?) at +/- 500 days ?
Date: Fri, 21 Feb 2003 10:19:41 -0500	[thread overview]
Message-ID: <3E56438D.2020207@nortelnetworks.com> (raw)
In-Reply-To: Pine.LNX.4.53.0302211004520.30745@ddx.a2000.nu

stephan@a2000.nu wrote:
> so maybe the uptime jumps back to zero at 497 days ?

jiffie rollover.

Take a 32-bit counter incrementing at 100Hz, and it will roll over in 
497.1 days.

Chris

-- 
Chris Friesen                    | MailStop: 043/33/F10
Nortel Networks                  | work: (613) 765-0557
3500 Carling Avenue              | fax:  (613) 765-2986
Nepean, ON K2H 8E9 Canada        | email: cfriesen@nortelnetworks.com


      reply	other threads:[~2003-02-21 15:09 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-02-21  9:16 uptime reset on 2.4.11/12 (and maybe newer versions?) at +/- 500 days ? stephan
2003-02-21 15:19 ` Chris Friesen [this message]

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