Re: ntpd and kernel message set_rtc_mmss: can't update

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On 10/23/06, Jeff Vian <[email protected]> wrote:

It first tries to use the step tickers
listed in /etc/ntp/step-tickers.  If it cannot use them then it falls
back to use the servers listed in /etc/ntp.conf.

On my system that means it does use ntp.conf since step-tickers is empty
and always has been.
Yes, my step-tickers was empty, though I mistakenly reported it as not
being empty, and I also have a ntpservers file in the /etc/ntp
directory.  It had two redhat servers listed.  Not sure why, from the
install probable. I set the ntpservers and step-tickers to list the
same servers as in my /etc/ntp.conf file.


If ntpd sees the time as too far off it will refuse to continue trying
and that is not a good thing IMHO.
Yes, that does seem counter productive.

The easiest way I have found is to simply do a
        service ntpd stop
followed by a
        service ntpd start
which takes care of running ntpdate to get any existing major time
discrepancies adjusted, then runs ntpd to fine tune it and keep it
accurate.
But that was not working.  If i stoped ntpd, and ran ntpdate with a
server it showed the wrong time as well.  Really strange.  Then I
noticed that ntpq -p is listing servers that are not in my config
files.  Also my /var/lib/ntp/drift was always 0.00

Since changing the ntpservers and step-tickers to have the same
servers as my ntp.conf file (about 6 hours ago) the time seems to be
working correctly, though ntpq -p still lists strange servers.

[[email protected] ~]# ntpq -p
    remote           refid      st t when poll reach   delay   offset  jitter
==============================================================================
-mu-relay2.masse 192.5.41.40      2 u  785 1024  377  229.875  -21.047 307.992
-ns2.compass.net 128.250.36.3     2 u  709 1024  377  302.162  133.363  24.773
*ntp.thistledown .GPS.            1 u  137 1024  377  489.738   67.315  35.318
+ns.tti.net.au   128.250.36.2     2 u  657 1024  377  448.110   33.651 231.163
+gen2.ihug.co.nz 130.217.76.49    2 u  777 1024  377  204.483   59.178  19.562

[[email protected] ~]# cat /etc/ntp/step-tickers
ntp.massey.ac.nz
ntp.iprolink.co.nz
0.oceania.pool.ntp.org
2.oceania.pool.ntp.org
1.nz.pool.ntp.org
0.nz.pool.ntp.org

I assume that is because the of the ntp pool entries above?

I will watch it for a few days and see how it is going.

--
Rob


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