From linus@clarke.alcom.aland.fi Sun Oct 26 02:39:24 2003 Return-Path: Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 3652B16A4B3 for ; Sun, 26 Oct 2003 02:39:24 -0800 (PST) Received: from aragon.alcom.aland.fi (aragon.aalnet.aland.fi [194.112.0.1]) by mx1.FreeBSD.org (Postfix) with ESMTP id 6CC2743FB1 for ; Sun, 26 Oct 2003 02:39:22 -0800 (PST) (envelope-from linus@clarke.alcom.aland.fi) Received: from clarke.alcom.aland.fi (clarke.alcom.aland.fi [194.112.0.101]) by aragon.alcom.aland.fi (8.12.8/8.12.8) with ESMTP id h9QAdDVr014137 (version=TLSv1/SSLv3 cipher=EDH-RSA-DES-CBC3-SHA bits=168 verify=NOT) for ; Sun, 26 Oct 2003 12:39:16 +0200 Received: from clarke.alcom.aland.fi (localhost [127.0.0.1]) by clarke.alcom.aland.fi (8.12.9p2/8.12.9) with ESMTP id h9QAd7CX024749 for ; Sun, 26 Oct 2003 12:39:08 +0200 (EET) (envelope-from linus@clarke.alcom.aland.fi) Received: (from linus@localhost) by clarke.alcom.aland.fi (8.12.9p2/8.12.9/Submit) id h9QAd6Ap024748; Sun, 26 Oct 2003 12:39:06 +0200 (EET) (envelope-from linus) Message-Id: <200310261039.h9QAd6Ap024748@clarke.alcom.aland.fi> Date: Sun, 26 Oct 2003 12:39:06 +0200 (EET) From: Linus Sjoberg Reply-To: Linus Sjoberg To: FreeBSD-gnats-submit@freebsd.org Cc: Subject: Summer/Winter-time change causes daily cron to be run twice X-Send-Pr-Version: 3.113 X-GNATS-Notify: >Number: 58557 >Category: conf >Synopsis: Summer/Winter-time change causes daily cron to be run twice >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-bugs >State: closed >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Sun Oct 26 02:40:15 PST 2003 >Closed-Date: Fri Oct 23 08:37:37 UTC 2009 >Last-Modified: Fri Oct 23 08:37:37 UTC 2009 >Originator: Linus Sjoberg >Release: FreeBSD 4.9-RC i386 >Organization: >Environment: System: FreeBSD clarke.alcom.aland.fi 4.9-RC FreeBSD 4.9-RC #16: Sat Oct 4 14:02:29 EEST 2003 root@clarke.alcom.aland.fi:/usr/obj/usr/src/sys/CLARKE i386 >Description: When the timezone automagically changes from EEST to EET the periodical daily scripts get run twice. This results in receiving 2 copies of all email reports, and all other utility scripts getting run twice. >How-To-Repeat: Configure a machine to be in EEST with the date set to the last saturday in October and have Finnish summertime rules. At Sunday 04:00 the clock will change to 03:00 and all daily scripts will be rerun. (This since they are run at 03:01 from /etc/crontab) >Fix: >Release-Note: >Audit-Trail: From: Garrett Wollman To: Linus Sjoberg Cc: FreeBSD-gnats-submit@freebsd.org Subject: misc/58557: Summer/Winter-time change causes daily cron to be run twice Date: Sun, 26 Oct 2003 12:58:28 -0500 (EST) < said: > When the timezone automagically changes from EEST to EET the periodical > daily scripts get run twice. This results in receiving 2 copies of all > email reports, and all other utility scripts getting run twice. We have tried to find a happy medium. There is, unfortunately, no hour of the night which does not suffer from this problem somewhere in the world. We have tried to err on the side of caution (making sure that periodic scripts run *at least* once) rather than allowing them to possibly fail to run in some jurisdictions. -GAWollman State-Changed-From-To: open->closed State-Changed-By: edwin State-Changed-When: Fri Oct 23 08:36:44 UTC 2009 State-Changed-Why: Explanation provided by GAWollman http://www.freebsd.org/cgi/query-pr.cgi?pr=58557 >Unformatted: