[FreeBSD-Announce] FreeBSD Errata Notice FreeBSD-EN-19:05.kqueue

Eugene Grosbein eugen at grosbein.net
Tue Feb 5 21:17:09 UTC 2019

06.02.2019 3:55, Ian Lepore wrote:

> So your problem was most likely the gps receiver making a bad choice
> before it had enough info to make a good choice. It's one of many
> reasons why an ntp server should have at least 3 (really, at least 5)
> peers, so it can reject obviously-insane data from a single source.
> Even when you use a gps to get really accurate local time, you should
> have a handful of network peers that can serve as sanity-checkers.

And I have and had that moment:

driftfile /var/db/ntpd.drift
server Time2.Stupi.SE           iburst maxpoll 9
server ntp1.sp.se               iburst maxpoll 9
server ntp1.mmo.netnod.se       iburst maxpoll 9
server ntp1.ptb.de              iburst maxpoll 9
server ntp1.ien.it              iburst maxpoll 9
server ntp1.sth.netnod.se       iburst maxpoll 9
fudge stratum 10
# Had to comment out following 3 lines after the incident
#tos mindist 0.015
#server mode 1 iburst maxpoll 9 prefer
#fudge stratum 10 time1 0.000 time2 0.000 flag1 1 flag3 1 refid PPS
pool 0.freebsd.pool.ntp.org iburst
restrict -4 default kod notrap nomodify nopeer noquery
restrict -6 default kod notrap nomodify nopeer noquery
restrict ::1
leapfile "/var/db/ntpd.leap-seconds.list"

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