From owner-freebsd-current Tue Jan 12 15:36:59 1999 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id PAA04619 for freebsd-current-outgoing; Tue, 12 Jan 1999 15:36:59 -0800 (PST) (envelope-from owner-freebsd-current@FreeBSD.ORG) Received: from godzilla.zeta.org.au (godzilla.zeta.org.au [203.26.10.9]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id PAA04612 for ; Tue, 12 Jan 1999 15:36:55 -0800 (PST) (envelope-from bde@godzilla.zeta.org.au) Received: (from bde@localhost) by godzilla.zeta.org.au (8.8.7/8.8.7) id KAA11327; Wed, 13 Jan 1999 10:36:16 +1100 Date: Wed, 13 Jan 1999 10:36:16 +1100 From: Bruce Evans Message-Id: <199901122336.KAA11327@godzilla.zeta.org.au> To: current@FreeBSD.ORG, kjc@csl.sony.co.jp Subject: Re: HZ missing in options? Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG >Is there any reason why HZ isn't listed in sys/conf/options? >Or just an oversight? If so, I'll add the following line. Changing it used to break xntpd's kernel PLL. Increasing it used to significantly increase the potential inaccuracy of the clock (from 50 ppm for 100 Hz to 500 ppm for 1000 Hz). Increasing it is still harmful for adjtime(2). This shouldn't be a problem except when xntpd is misconfigured to use adjtime() instead of the kernel PLL. Bruce To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message