[mythtv-users] NTP drift...
White Joe
joe.white at consultant.volvo.com
Thu Oct 12 12:42:49 UTC 2006
> -----Original Message-----
> From: mythtv-users-bounces at mythtv.org
> [mailto:mythtv-users-bounces at mythtv.org] On Behalf Of Romain Kang
> Sent: Wednesday, October 11, 2006 5:40 PM
> To: Discussion about mythtv
> Subject: Re: [mythtv-users] NTP drift...
>
> I'm sure the NTP mavens will come out of the woodwork to correct
> me, but I would check a few things:
>
> - Could you send the output of "ntpq -p" so that others can see that
> it's sane?
>
> - Does the ntp drift file have a reasonable value?
>
> If its value is maxed out at +/- 500 ppm, that can keep your
> system converging even if it makes big step corrections several
> times a day.
>
> A high value (say, over +/- 200 ppm) may indicate hardware problems
> of some kind. Sometimes it just means that NTP got confused because
> of weird conditions. Removing ntp.drift and restarting the daemon
> may get it retrained to a good range.
>
> - Is /var/log/messages recording anything from the ntpd process?
> _______________________________________________
> mythtv-users mailing list
> mythtv-users at mythtv.org
> http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
>
I am seeing a similar issue, though more extreme. The computer adds
about 35 extra seconds each hour. If I restart the daemon or run
ntpdate then it corrects itself, but the daemon will not maintain the
time automatically. Hopefully I will get a chance to troubleshoot it
this weekend.
More information about the mythtv-users
mailing list