From owner-freebsd-questions@FreeBSD.ORG Sat Feb 1 22:47:55 2014 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id A6C38BF4 for ; Sat, 1 Feb 2014 22:47:55 +0000 (UTC) Received: from mail-in-08.arcor-online.net (mail-in-08.arcor-online.net [151.189.21.48]) (using TLSv1 with cipher ADH-CAMELLIA256-SHA (256/256 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 5DB371489 for ; Sat, 1 Feb 2014 22:47:55 +0000 (UTC) Received: from mail-in-11-z2.arcor-online.net (mail-in-11-z2.arcor-online.net [151.189.8.28]) by mx.arcor.de (Postfix) with ESMTP id 36FDF3AFA3A for ; Sat, 1 Feb 2014 22:41:55 +0100 (CET) Received: from mail-in-04.arcor-online.net (mail-in-04.arcor-online.net [151.189.21.44]) by mail-in-11-z2.arcor-online.net (Postfix) with ESMTP id 2EB7C7FE741 for ; Sat, 1 Feb 2014 22:41:55 +0100 (CET) X-Greylist: Passed host: 92.75.209.93 X-DKIM: Sendmail DKIM Filter v2.8.2 mail-in-04.arcor-online.net 08F45AAF6B Received: from lorvorc.mips.inka.de (dslb-092-075-209-093.pools.arcor-ip.net [92.75.209.93]) by mail-in-04.arcor-online.net (Postfix) with ESMTPS id 08F45AAF6B for ; Sat, 1 Feb 2014 22:41:54 +0100 (CET) Received: from lorvorc.mips.inka.de (localhost [127.0.0.1]) by lorvorc.mips.inka.de (8.14.7/8.14.7) with ESMTP id s11LfsvL043260 for ; Sat, 1 Feb 2014 22:41:54 +0100 (CET) (envelope-from mailnull@lorvorc.mips.inka.de) Received: (from mailnull@localhost) by lorvorc.mips.inka.de (8.14.7/8.14.7/Submit) id s11LfsPR043259 for freebsd-questions@freebsd.org; Sat, 1 Feb 2014 22:41:54 +0100 (CET) (envelope-from mailnull) From: naddy@mips.inka.de (Christian Weisgerber) Subject: Re: Invalid time in real time clock Date: Sat, 1 Feb 2014 21:41:54 +0000 (UTC) Message-ID: References: Originator: naddy@mips.inka.de (Christian Weisgerber) To: freebsd-questions@freebsd.org X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 01 Feb 2014 22:47:55 -0000 Christian Weisgerber wrote: > atrtc0: WARNING: Battery failure indication > Invalid time in real time clock. > Check and reset the date immediately! > > Incongruously, the RTC time is actually correct. Well, off by a > minute or so. Clearly the new battery is good. Turns out I misunderstood this. I thought the system time was still set from the RTC despite the warning. It isn't. Instead, it is set from the time stamp of the root file system. That's why I lose about a minute--that's the time it takes the machine to reboot. -- Christian "naddy" Weisgerber naddy@mips.inka.de