Date: Tue, 12 Nov 2002 17:03:00 +0100 From: Wilko Bulte <wkb@freebie.xs4all.nl> To: John Baldwin <jhb@FreeBSD.ORG> Cc: Andrew Gallatin <gallatin@cs.duke.edu>, freebsd-alpha@FreeBSD.ORG, "Michael A. Mackey" <michael-mackey@uiowa.edu> Subject: Re: Extreme time drift in SMP mode Message-ID: <20021112170300.A1738@freebie.xs4all.nl> In-Reply-To: <XFMail.20021112104816.jhb@FreeBSD.org>; from jhb@FreeBSD.ORG on Tue, Nov 12, 2002 at 10:48:16AM -0500 References: <15824.15617.29097.140638@grasshopper.cs.duke.edu> <XFMail.20021112104816.jhb@FreeBSD.org>
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On Tue, Nov 12, 2002 at 10:48:16AM -0500, John Baldwin wrote: > > On 11-Nov-2002 Andrew Gallatin wrote: > > > > Michael A. Mackey writes: > > > It takes precisely twice as long (20 seconds) to run `sleep 10`. > > > > > > Why can't ntpd keep things in line? > > > > > > > Because its not desgined to fix a clock which is that broken -- it > > only increments a second or so at a time. Far too slow for your > > purposes. > > So the clock is running at half-speed now? Hmm, the 2100[A] are > Tincup, not Turbolaser, right? So it should be using the i8254 for Sable. Tincup is the AS1200. Tlaser is AS8[24]00 > its timecounter. Maybe the 8254 timecounter isn't setup right on > the 2100a? > -- | / o / /_ _ wilko@FreeBSD.org |/|/ / / /( (_) Bulte Arnhem, the Netherlands To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-alpha" in the body of the message
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