From owner-freebsd-hackers@FreeBSD.ORG Sat Jul 12 13:12:12 2014 Return-Path: Delivered-To: freebsd-hackers@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 971B39DE for ; Sat, 12 Jul 2014 13:12:12 +0000 (UTC) Received: from smtp.infracaninophile.co.uk (smtp6.infracaninophile.co.uk [IPv6:2001:8b0:151:1:3cd3:cd67:fafa:3d78]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "smtp.infracaninophile.co.uk", Issuer "ca.infracaninophile.co.uk" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 3C7BA21BA for ; Sat, 12 Jul 2014 13:12:11 +0000 (UTC) Received: from seedling.black-earth.co.uk (seedling.black-earth.co.uk [81.2.117.99]) (authenticated bits=0) by smtp.infracaninophile.co.uk (8.14.9/8.14.9) with ESMTP id s6CDC6Ze081221 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES128-SHA bits=128 verify=NO) for ; Sat, 12 Jul 2014 14:12:06 +0100 (BST) (envelope-from m.seaman@infracaninophile.co.uk) Authentication-Results: lucid-nonsense.infracaninophile.co.uk; dmarc=none header.from=infracaninophile.co.uk DKIM-Filter: OpenDKIM Filter v2.9.2 smtp.infracaninophile.co.uk s6CDC6Ze081221 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=infracaninophile.co.uk; s=201001-infracaninophile; t=1405170726; bh=tvoFAXwdr9xWCPzqDu2PNT+82uOVXgqmOJ6mWdw8g2E=; h=Date:From:To:Subject:References:In-Reply-To; z=Date:=20Sat,=2012=20Jul=202014=2014:11:57=20+0100|From:=20Matthew =20Seaman=20|To:=20freebsd-hacker s@freebsd.org|Subject:=20Re:=20FreeBSD/Solaris=20dual-boot,=20prob lems=20with=20time=20(ntpd)|References:=20=20<06FFA5E9-EAE1-4085 -960A-4B06F313E961@ccsys.com>|In-Reply-To:=20<06FFA5E9-EAE1-4085-9 60A-4B06F313E961@ccsys.com>; b=AWHHOr7HpxwoY21Wya2F1PHxYDv9P9geqKxow0zgT0+IoMxL3jw9LPR0FxTZJJjK7 9nNhFIxA/iLGnWgMRUrhtPiVD6X2oNK36u2fPM7SFL3gEVy0Kd+ttdtE/UlsJxuSrs ImkIGuk/Uf3wXYNwkmze3Na01Cw4iv2bAAgoMJVs= Message-ID: <53C1341D.3000704@infracaninophile.co.uk> Date: Sat, 12 Jul 2014 14:11:57 +0100 From: Matthew Seaman User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.6; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 MIME-Version: 1.0 To: freebsd-hackers@freebsd.org Subject: Re: FreeBSD/Solaris dual-boot, problems with time (ntpd) References: <06FFA5E9-EAE1-4085-960A-4B06F313E961@ccsys.com> In-Reply-To: <06FFA5E9-EAE1-4085-960A-4B06F313E961@ccsys.com> X-Enigmail-Version: 1.6 OpenPGP: id=E1ECF9BB Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="wFwOE7evs5cTneASMqaCm0DtRcuw6v1Qj" X-Virus-Scanned: clamav-milter 0.98.3 at lucid-nonsense.infracaninophile.co.uk X-Virus-Status: Clean X-Spam-Status: No, score=-2.6 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU autolearn=ham autolearn_force=no version=3.4.0 X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on lucid-nonsense.infracaninophile.co.uk X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 12 Jul 2014 13:12:12 -0000 This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --wFwOE7evs5cTneASMqaCm0DtRcuw6v1Qj Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable On 10/07/2014 05:07, Chad J. Milios wrote: > Each OS has a way to let it know if that is or is not the case. In > FreeBSD, if any file exists at /etc/wall_cmos_clock then the kernel > treats the CMOS clock as the local time. If that file does not exist > then the default is that the CMOS clock represents universal > coordinated time (aka UTC). I don't use Solaris enough to tell you > its equivalent procedure from memory but it has the same toggle in > there somewhere. >=20 > (My knowledge of this is decades old. Can someone else confirm this > is still the canonical way to set this preference in FreeBSD?) Yes, this is still the case. The /etc/wall_cmos_clock mechanism hasn't changed in ages, although sometime around 9.0-RELEASE (I think) the installer changed to assume CMOS Clock running in UTC rather than wallclock time if you just accepted the default answers. Cheers, Matthew --=20 Dr Matthew J Seaman MA, D.Phil. PGP: http://www.infracaninophile.co.uk/pgpkey JID: matthew@infracaninophile.co.uk --wFwOE7evs5cTneASMqaCm0DtRcuw6v1Qj Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG/MacGPG2 v2.0.20 (Darwin) Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQJ8BAEBCgBmBQJTwTQlXxSAAAAAAC4AKGlzc3Vlci1mcHJAbm90YXRpb25zLm9w ZW5wZ3AuZmlmdGhob3JzZW1hbi5uZXQ2NTNBNjhCOTEzQTRFNkNGM0UxRTEzMjZC QjIzQUY1MThFMUE0MDEzAAoJELsjr1GOGkATpuMP/2ucVfbanVKUN15SD1znGcaB jW0sSSQD7w6iVJkw+uXZphQUeDeF9mBkx25uUWKu/OPP2RwSsch7jty+qxBSRyog 8MlIC1diKWEnHppSDF28C3HsZha230Yd7XlRy/el3zY92OheAishur3MW9I7MQU1 9hn0Ep/Bkk7a1gy/lHNJSPMrWn0eIBwRkIwlsOMftudLkupgdB+Yqp/FwCFcXZkm 5yXil4ffZXSp1hgkVbybiJrWzk0Dqvlu5ZNLV2IPEMnU6bjCQoBnJKJe3IdD6NNh 7eif5WzaaiXhuStq148RaUZwmE5+tz9iYMigUoYOT+M4pYUPYXqAWpFIdAdzSwmu d6ASAbQpb1eJ2l1fVSBigoLDBvfZSeXuoH4HXVICrMsmz5H6dduiMoUerXSjoWlk 9pO9JhRwpmpx8ektDDscLjlYHRLJcLeUU12KHf0a+EFNZc+KiMCBTY2iz1y0DrtY Bsqb4NelznUwJhGs45oclwarGMsjDepboVnpxG6XbNkmC+hXICPYhqpWGqRHNX8b hUfF1nyvp2/CGcRknUu9lnwfVChUsBMNsjbcYvaOwmM9HkHNyWwGAw4dHmOBRIlY I0xoJtGev8il+nIhjv6Xu7tq6Di6YTSg1roYqepEEFfIVvte11TX5QY7m/mzZlsS 6dBkCsig/GiHnPlyIp4k =63gw -----END PGP SIGNATURE----- --wFwOE7evs5cTneASMqaCm0DtRcuw6v1Qj--