Yo Hal! On Tue, 31 Jan 2017 17:05:21 -0800 Hal Murray <hmur...@megapathdsl.net> wrote:
> >> Looks like ntpd is happy now. > > And what was the magic incantation? Can you reset and make ntpd > > fail again? > > Installing adjtimex. > > Aside from the command line, it's got a mode where tries to adjust > the drift like ntpd does. I think saves stuff on the disk so when > you run it again it can see how far the clock has drifted. I don't > know how that interacts with ntpd. I think adjtimex does not save anywhere but in kernel RAM. > > We are not talking about most, we are talking about the outliers. > > There are two types of outliers. One is hardware, a specific box has > a weird crystal or out of date firmware or... The other is > systematic. Someplace in the long chain of hardware, documentation, > firmware, kernel, libraries, and ntpd isn't working right. I think > this one is worth understanding. If/when we understand it, we can > try to come up with a reasonable work-around. Yup. > > Not tried chronyd yet? > > I have it running on an OpenBSD system. It seems to wander off > occasionally. I haven't investigated. Not tried chronyd on this problem Mac and OS then? Would be nice to know of chronyd suffered the same problem on ntpd on this problem host and OS. > >> I think it's reasonable for ntpd to expect the kernel clock to be > >> reasonably close. > > I don't. > > We should probably agree to disagree. I'll have to prefer my personal experience to your expectations on 'reasonable'. RGDS GARY --------------------------------------------------------------------------- Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703 g...@rellim.com Tel:+1 541 382 8588 Veritas liberabit vos. -- Quid est veritas? "If you can’t measure it, you can’t improve it." - Lord Kelvin
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