From mboxrd@z Thu Jan 1 00:00:00 1970 From: Leo Famulari Subject: Re: [PATCH 1/1] services: ntpd: Make large clock adjustments if necessary. Date: Thu, 13 Oct 2016 10:12:46 -0400 Message-ID: <20161013141246.GA7431@jasmine> References: <20161013050650.GA25727@jocasta.intra> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="Kj7319i9nmIyA2yE" Return-path: Received: from eggs.gnu.org ([2001:4830:134:3::10]:58249) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bugkr-0002Ai-KF for guix-devel@gnu.org; Thu, 13 Oct 2016 10:13:06 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bugkl-00078K-GD for guix-devel@gnu.org; Thu, 13 Oct 2016 10:13:04 -0400 Received: from out5-smtp.messagingengine.com ([66.111.4.29]:42188) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bugkk-00076R-6F for guix-devel@gnu.org; Thu, 13 Oct 2016 10:12:59 -0400 Content-Disposition: inline In-Reply-To: <20161013050650.GA25727@jocasta.intra> List-Id: "Development of GNU Guix and the GNU System distribution." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guix-devel-bounces+gcggd-guix-devel=m.gmane.org@gnu.org Sender: "Guix-devel" To: John Darrington Cc: guix-devel@gnu.org --Kj7319i9nmIyA2yE Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Oct 13, 2016 at 07:06:50AM +0200, John Darrington wrote: > I think that this should be a configuration item in the service, so that = the > user can decide whether to have it or not. I don't think we should force= it > on the user. Some applications break if the clock makes large jumps. I agree. This is really something that the system administrator should evaluate and fix on a case-by-case basis. =20 > The ntpd authors decided that the default behaviour is not to make large = jumps > so I think we should respect that unless there is a good reason to do oth= erwise. > So I think this should be configurable in /etc/config.scm and the default= should > be not to use -g For me, I have to do this so rarely (and never on the machines I currently use) that I am fine with having to run `ntpd -g ...` by hand. So, if we want to make this configurable in the OS configuration, volunteers are welcome to work on it :) --Kj7319i9nmIyA2yE Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBCAAGBQJX/5ZeAAoJECZG+jC6yn8IEycQAKt9vxZxiSNzF4iG4qgbDVhL 6zJZyGg1NCD6Xog2CGvV2DHhKvQicIjJyCP6HBLg9BI1u4MFvy+ixARNs1fpVVyw povXwrm4MnHXMCWsgCbJJ2n/MmiinZse8UPGQ4ZffEw3IF0AfrXlq2AirouizhCz bwEtPdbj5erOzJMep18VP9z3chDMSGni1oAsn574o6m4U8Cso7Upv7XqL6Eb89mY 0nT8PgFa9YxJcYqMYzzk8tP/Mew4RyMmtCL0OOS9eAA8oDondgfoacJUj4Iic7m+ eCEjLmvRpgxtELCSJhDTaipr9CsPfvrU2uCWCRoShBMbB9VcWhHF9pxBZK9GYVFg R/q/mXa2m0nvRCKzWTcGF5jmL/RYfliArRUctZ1yD9VaQayRGu3rC0H2uhujV3LS PGcQvb+uU3Li7Dcb3nrYIWf4u4DS9t4iIeWKRGJ6qnAJUe5cVmfsIshNT/Z+lN9h L7VxlUPXSDBaH1GVVE6NrlDGa2TBMkugcuKhJ146T7HK3Fs1pebcDVvBYAW1ATl5 Ymr5Cr4q6Kcpgyj7RIBK4djyIy3sU7jq/xpOFeAQ5WsGOipPLjIdmWVWXb+fesNy 4G4yNur9jKUNcS0p7Ifm4kNK9i5ssS8nuOvci0VrGnhIsyfWUdchfuxaJ20Wz6+T VrSWQFv9znqq2qaB730A =KG0S -----END PGP SIGNATURE----- --Kj7319i9nmIyA2yE--