Jeremy Chadwick wrote: > On Tue, Dec 19, 2006 at 10:56:22AM -0500, Michael Proto wrote: >> An alternate workaround I've discovered is to use a maxpoll of 9 in >> /etc/ntp.conf: >> >> server rolex.peachnet.edu maxpoll 9 >> >> Since implementing this I haven't seen any of the FLL/PLL flips in my logs. > > How would decreasing the polling time fix this? I do not understand > the semantics/behaviour of NTP very well. > > Taken from the manpage: > > maxpoll maxpoll > These options specify the minimum and maximum poll intervals for > NTP messages, in seconds to the power of two. The maximum poll > interval defaults to 10 (1,024 s), but can be increased by the > maxpoll option to an upper limit of 17 (36.4 h). The minimum > poll interval defaults to 6 (64 s), but can be decreased by the > minpoll option to a lower limit of 4 (16 s). >
I made the change some time ago after combing newsgroups for this issue, so my memory is a little hazy, but I seem to remember something about the FLL/PLL switch being right at about 1024s. Check the Tuning section here: http://www.eecis.udel.edu/~ntp/ntpfaq/NTP-s-algo.htm -Proto _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "[EMAIL PROTECTED]"
