Date: Tue, 11 Mar 2003 16:38:54 -0800 From: James Satterfield <james@uberduper.com> To: "Andrew P. Lentvorski, Jr." <bsder@allcaps.org> Cc: current@freebsd.org Subject: Re: Time drift. Message-ID: <20030311163854.152ceb4c.james@uberduper.com> In-Reply-To: <Pine.LNX.4.44.0303111613500.11177-100000@mail.allcaps.org> References: <20030311155025.40d23e08.james@uberduper.com> <Pine.LNX.4.44.0303111613500.11177-100000@mail.allcaps.org>
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I guess I've just never paid that much attention to the clock. I think it's time for me to get a real clock and setup an NTP server. Thanks. James. On Tue, 11 Mar 2003 16:24:57 -0800 (PST) "Andrew P. Lentvorski, Jr." <bsder@allcaps.org> wrote: > On Tue, 11 Mar 2003, James Satterfield wrote: > > > I'm getting what I think is substantial time drift on my -current boxes. > > My home firewall in particular drifts about .42 seconds every hour. My > > desktop machine drifted ~350 seconds over the last 5 days. > > .42 s/ 1 hr is about 116 ppm stability > 350 s/ 5 days is about 810 ppm stability > > 116 ppm stability is certainly within the specification of most quartz > crystals and PC southbridges. 810 ppm stability is a little sloppier than > I would expect, but certainly not outside the realm of possibility. It > could be a bug, but I wouldn't bet on it. The standard answer of "run > NTP" applies. > > An $8.00 wristwatch has much better time accuracy that your multi-$100 PC. > > -a > > > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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