[ntp:questions] PSYCHO PC clock is advancing at 2 HR per second

Ron Frazier (NTP) timekeepingntplist at c3energy.com
Tue Mar 20 04:59:51 UTC 2012

On 3/20/2012 12:09 AM, unruh wrote:
> On 2012-03-20, Ron Frazier (NTP)<timekeepingntplist at c3energy.com>  wrote:
>> Hi all,
>> I just came home from supper to the most NOT charming experience.  I had
>> left with my PC clock syncing nicely to my Globalsat BU-353 GPS.  When I
>> came home, I found the clock said Aug 2014 and visually could see that
>> the clock was advancing at a rate of about 2 HR per actual second.  The
>> Meinberg screen said it was locked into the local clock and the Meinberg
> And you have local clock anywhere in the configuration why? It is dumb
> as you have discovered.

I've been testing with everything noselected but the GPS, but still 
monitoring the internet servers.  I had hoped LOCL would allow the 
system to continue running gracefully, if not accurately, if the GPS 
went crazy.  I guess it didn't do that.  LOCL is now gone.

>> screen appeared to be updating about twice per second rather than once
>> ever 10 seconds.  It said that the preferred clock was LOCL
>>  I don't know what the heck happened, but these anomalies
>> are getting really old.  Hopefully the Sure board will do better.  Oh,
>> by the way, I shut down NTPD and the clock kept advancing the same way.
> It sounds like the system has reset the timer interrupt advance.
>> 2 reboots appear to have fixed it.  I've removed LOCL from the config
>> file.  Here are some links to some log and conf files if anyone is
>> interested.  Note the dates at the end.  I've got 1200 log files in
>> between these start and end dates.
>> http://dl.dropbox.com/u/9879631/ntp.conf%20psycho%20clock
>> http://dl.dropbox.com/u/9879631/loopstats.20120319-2-above-priority-gpgga96-poll-3-6%20psycho%20clock
>> http://dl.dropbox.com/u/9879631/loopstats.20120320%20psycho%20clock
>> http://dl.dropbox.com/u/9879631/loopstats.20120321%20psycho%20clock
>> http://dl.dropbox.com/u/9879631/loopstats.20120322%20psycho%20clock
>> http://dl.dropbox.com/u/9879631/loopstats.20120323%20psycho%20clock
>> http://dl.dropbox.com/u/9879631/loopstats.20140112%20psycho%20clock
>> note the date far into the future
>> http://dl.dropbox.com/u/9879631/loopstats.20140113%20psycho%20clock
>> http://dl.dropbox.com/u/9879631/peerstats.20120319-2-above-priority-gpgga96-poll-3-6%20psycho%20clock
>> http://dl.dropbox.com/u/9879631/peerstats.20120320%20psycho%20clock
>> http://dl.dropbox.com/u/9879631/peerstats.20120321%20psycho%20clock
>> http://dl.dropbox.com/u/9879631/peerstats.20120322%20psycho%20clock
>> http://dl.dropbox.com/u/9879631/peerstats.20120323%20psycho%20clock
>> http://dl.dropbox.com/u/9879631/peerstats.20140824%20psycho%20clock
>> note the date far into the future
>> http://dl.dropbox.com/u/9879631/peerstats.20140825%20psycho%20clock
>> Sincerely Frustrated,
>> Ron


(PS - If you email me and don't get a quick response, don't be concerned.
I get about 300 emails per day from alternate energy mailing lists and
such.  I don't always see new messages very quickly.  If you need a
reply and have not heard from me in 1 - 2 weeks, send your message again.)

Ron Frazier
timekeepingdude AT c3energy.com

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