[ntp:questions] Large offset and lots of time resets

Maarten Deen zqrra at kf4nyy.ay
Wed Feb 23 21:13:10 UTC 2011


hal-usenet at ip-64-139-1-69.sjc.megapath.net (Hal Murray) wrote in 
news:K4OdnVHgatYT6_jQnZ2dnUVZ_jydnZ2d at megapath.net:

> In article <Xns9E95DA199C4695r68mtnbtdvsdr at 194.109.133.242>,
>  Maarten Deen <zqrra at kf4nyy.ay> writes:
> ...
>>23 Feb 20:42:53 ntpd[27664]: time reset +2.421296 s
>>23 Feb 20:52:05 ntpd[27664]: synchronized to 217.67.231.25, stratum 2
>>23 Feb 20:58:31 ntpd[27664]: time reset +2.356457 s
>>23 Feb 21:04:48 ntpd[27664]: synchronized to 217.67.231.25, stratum 2
>>23 Feb 21:14:26 ntpd[27664]: time reset +2.400477 s
>>
>>This goes on and on and on. And regularly ntp stops having connection, 
>>reach goes to 1 and builds up again. Never that it is a poll that's been 
>>missed, it is always back to 1 as if ntpd has started itself up again.
>>
>>I'm using ntp 4.2.4p4 on a Ubuntu box. Linux kernel 2.6.24.
>>
>>What's wrong in this setup?
> 
> My guess is that the clock on your system is broken.  Are you
> using some sort of power saving that is changing the CPU frequency?

The computer is a server and is always on. Hardware is an AMD Athlon X2 and 
does lower the CPU frequency in powersaving.

> Have you tried a different clocksource?
>   (google for >linux clocksource<)

First I heard of it, I'll look into it. It is currently set to hpet and I 
see one link that suggests using acpi_pm. I'll try that.

Regards,
Maarten




More information about the questions mailing list