From owner-freebsd-stable@FreeBSD.ORG Thu Dec 30 19:32:26 2004 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 2ECB616A4CE for ; Thu, 30 Dec 2004 19:32:26 +0000 (GMT) Received: from odin.ac.hmc.edu (Odin.AC.HMC.Edu [134.173.32.75]) by mx1.FreeBSD.org (Postfix) with ESMTP id E8D5143D1D for ; Thu, 30 Dec 2004 19:32:25 +0000 (GMT) (envelope-from brdavis@odin.ac.hmc.edu) Received: from odin.ac.hmc.edu (localhost.localdomain [127.0.0.1]) by odin.ac.hmc.edu (8.13.0/8.13.0) with ESMTP id iBUJWibC019072; Thu, 30 Dec 2004 11:32:44 -0800 Received: (from brdavis@localhost) by odin.ac.hmc.edu (8.13.0/8.13.0/Submit) id iBUJWiqL019070; Thu, 30 Dec 2004 11:32:44 -0800 Date: Thu, 30 Dec 2004 11:32:44 -0800 From: Brooks Davis To: David Talkington Message-ID: <20041230193244.GB2987@odin.ac.hmc.edu> References: <41D43A7A.2000500@bluewin.ch> <20041230110953.T17743@atlantis.flyingjoke.org> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="hHWLQfXTYDoKhP50" Content-Disposition: inline In-Reply-To: <20041230110953.T17743@atlantis.flyingjoke.org> User-Agent: Mutt/1.4.1i X-Virus-Scanned: by amavisd-new X-Spam-Status: No, hits=0.0 required=8.0 tests=none autolearn=no version=2.63 X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on odin.ac.hmc.edu cc: freebsd-stable@freebsd.org cc: Federico Galvez-Durand Besnard Subject: Re: clock running fast X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 30 Dec 2004 19:32:26 -0000 --hHWLQfXTYDoKhP50 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable [Please don't top post]. On Thu, Dec 30, 2004 at 11:13:55AM -0800, David Talkington wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 >=20 > Federico Galvez-Durand Besnard wrote: >=20 > >what do you have in : > >/etc/ntp.conf >=20 > Only: >=20 > server time.u.washington.edu > server 127.127.1.0=20 > fudge 127.127.1.0 stratum 10 >=20 >=20 > Command line: >=20 > /usr/sbin/ntpd -c /etc/ntp.conf -p /var/run/ntpd.pid \ > - -f /var/db/ntpd.drift It's generally recommended that you never trust your own clock since it's completely crap as time sources go. It's also recommended that you use at least 5 time sources to avoid problems with bad clocks. -- Brooks > >-----BEGIN PGP SIGNED MESSAGE----- > >Hash: SHA1 > > > > > >Salutations -- > > > >I have an old board with an installation of STABLE whose time keeps=20 > >running away. ntpd is not helping. I can manually set the time using= =20 > >ntpdate, and my ntpq queries look fine, yet the clock persists in runnin= g=20 > >very fast (seems to be about 1.5x speed). The BIOS clock remains correc= t,=20 > >and the machine therefore has the correct time at each reboot, but quick= ly=20 > >runs away. > > > >Data points: > > > >- - I have set kern.timecounter.hardware=3DTSC, and this has not helped.= - -=20 > >Two other hosts on the same network, using the same ntp server, do not= =20 > >have this problem. > >- - This box did not display this behavior under FreeBSD 5.2. - - I have= =20 > >replaced the board on the problem box (with the same age and type), and= =20 > >the problem persists. > >- - dmesg for this machine, an old Dell Optiplex 590, is below. > > > >What other information might help diagnose the problem? > > > >Thank you ... -d > > > >- -- > >David Talkington > >dtalk-ml at prairienet.org=20 > > > > > > > > > >_______________________________________________ > >freebsd-stable@freebsd.org mailing list > >http://lists.freebsd.org/mailman/listinfo/freebsd-stable > >To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org" > > > > >=20 > - --=20 > David Talkington > Computing and Communications > University of Washington > 206-543-2144 > - -- > dtalk@u.washington.edu > - -- > PGP key: http://staff.washington.edu/dtalk/004B8F8B.asc > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.2.6 (FreeBSD) >=20 > iD8DBQFB1FN55FKhdwBLj4sRAknTAJ9Wq/I64DpzBoblMmH2JMl2UR08NgCgkLuL > qlB7DOSkWlOmR2OLZ32O1NA=3D > =3D8B5z > -----END PGP SIGNATURE----- > _______________________________________________ > freebsd-stable@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org" --=20 Any statement of the form "X is the one, true Y" is FALSE. PGP fingerprint 655D 519C 26A7 82E7 2529 9BF0 5D8E 8BE9 F238 1AD4 --hHWLQfXTYDoKhP50 Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (GNU/Linux) iD8DBQFB1FfbXY6L6fI4GtQRAmkBAKC3++yMzb5U/ZUMc7sK+hAOjvTRJgCeMTHy H/k1l8Qj/27cpyYdIlBszt4= =jFBa -----END PGP SIGNATURE----- --hHWLQfXTYDoKhP50--