Re: ntp questions
On Sunday 15 March 2020 00:39:36 David Christensen wrote:
> On 2020-03-14 18:49, Gene Heskett wrote:
> > Greetings all;
> >
> > In an attempt to reduce the load on my time servers and to mitigate
> > the jumps in system time that can play heck with timing errors of a
> > running LinuxCNc session, I have installed an ntp client on a
> > raspbian buster, and I think I have told it to listen to iburst from
> > this machine. All my other machine are setup similar and appear to
> > be working ok.
> >
> > But the pi with an identical config is still not synching.
> > 2 working machine symply say ok when asked for status, old wheezy
> > installs.
> > A gene@shop:~$ sudo /etc/init.d/ntp status
> > [ ok ] NTP server is running.
> >
> > Which is typical when its all synched
> >
> > but the pi is reporting:
> > pi@rpi4:/var/log/ntpstats $ sudo /etc//init.d/ntp status
> > ● ntp.service - Network Time Service
> > Loaded: loaded (/lib/systemd/system/ntp.service; enabled; vendor
> > preset: enabled)
> > Active: active (running) since Sat 2020-03-14 20:17:25 EDT;
> > 57min ago Docs: man:ntpd(8)
> > Process: 16957 ExecStart=/usr/lib/ntp/ntp-systemd-wrapper
> > (code=exited, status=0/SUCCESS)
> > Main PID: 16963 (ntpd)
> > Tasks: 2 (limit: 4033)
> > Memory: 936.0K
> > CGroup: /system.slice/ntp.service
> > └─16963 /usr/sbin/ntpd -p /var/run/ntpd.pid -g -u
> > 114:122
> >
> > Mar 14 20:17:25 rpi4.coyote.den ntpd[16963]: leapsecond file
> > ('/usr/share/zoneinfo/leap-seconds.list'): loaded,
> > expire=2020-06-28T00:00:00Z last=2017-01-01T00:00:00Z ofs=37
> > Mar 14 20:17:25 rpi4.coyote.den ntpd[16963]: Listen and drop on 0
> > v6wildcard [::]:123
> > Mar 14 20:17:25 rpi4.coyote.den ntpd[16963]: Listen and drop on 1
> > v4wildcard 0.0.0.0:123
> > Mar 14 20:17:25 rpi4.coyote.den ntpd[16963]: Listen normally on 2 lo
> > 127.0.0.1:123
> > Mar 14 20:17:25 rpi4.coyote.den ntpd[16963]: Listen normally on 3
> > eth0 192.168.71.13:123
> > Mar 14 20:17:25 rpi4.coyote.den ntpd[16963]: Listen normally on 4 lo
> > [::1]:123
> > Mar 14 20:17:25 rpi4.coyote.den ntpd[16963]: Listening on routing
> > socket on fd #21 for interface updates
> > Mar 14 20:17:25 rpi4.coyote.den ntpd[16963]: Listen for broadcasts
> > to 192.168.71.255 on interface #3 eth0
> > Mar 14 20:17:25 rpi4.coyote.den ntpd[16963]: kernel reports
> > TIME_ERROR: 0x2041: Clock Unsynchronized
> > Mar 14 20:17:25 rpi4.coyote.den ntpd[16963]: kernel reports
> > TIME_ERROR: 0x2041: Clock Unsynchronized
> >
> > What is wrong with my /etc/ntp.conf on the pi that is causing this
> > apparent failure?
> >
> > Looking for ntp.conf diffs a grep -v '#' reports for a working
> > machines ntp.conf:
> > driftfile /var/lib/ntp/ntp.drift
> > statsdir /var/log/ntpstats/
> > statistics loopstats peerstats clockstats
> > filegen loopstats file loopstats type day enable
> > filegen peerstats file peerstats type day enable
> > filegen clockstats file clockstats type day enable
> > server 192.168.71.3 iburst
> > restrict -4 default kod notrap nomodify nopeer noquery
> > restrict -6 default kod notrap nomodify nopeer noquery
> > restrict 127.0.0.1
> > restrict ::1
> > disable auth
> > broadcastclient
> >
> > while that same inverted grep on the pi reports:
> >
> > driftfile /var/lib/ntp/ntp.drift
> > leapfile /usr/share/zoneinfo/leap-seconds.list
> > statsdir /var/log/ntpstats/
> > statistics loopstats peerstats clockstats
> > filegen loopstats file loopstats type day enable
> > filegen peerstats file peerstats type day enable
> > filegen clockstats file clockstats type day enable
> > server coyote.coyote.den iburst
> > restrict -4 default kod notrap nomodify nopeer noquery limited
> > restrict -6 default kod notrap nomodify nopeer noquery limited
> > restrict 127.0.0.1
> > restrict ::1
> > restrict source notrap nomodify noquery <-different, # it no change
> > broadcast 192.168.71.255
> > disable auth
> > broadcastclient
> >
> > Thanks everybody.
> >
> >
> > Cheers, Gene Heskett
>
> Have you tried installing ntpdate on the problem machine and
> rebooting?
>
>
> David
Done, and its near 2am locally, I'll continue this when I come to in the
daytime. Thanks.
Cheers, Gene Heskett
--
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soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
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- Louis D. Brandeis
Genes Web page <http://geneslinuxbox.net:6309/gene>
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