Date: Tue, 12 Nov 2002 10:48:16 -0500 (EST) From: John Baldwin <jhb@FreeBSD.org> To: Andrew Gallatin <gallatin@cs.duke.edu> Cc: freebsd-alpha@freebsd.org, "Michael A. Mackey" <michael-mackey@uiowa.edu> Subject: Re: Extreme time drift in SMP mode Message-ID: <XFMail.20021112104816.jhb@FreeBSD.org> In-Reply-To: <15824.15617.29097.140638@grasshopper.cs.duke.edu>
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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 its timecounter. Maybe the 8254 timecounter isn't setup right on the 2100a? -- John Baldwin <jhb@FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-alpha" in the body of the message
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