2009-03-01 20:13:47

by Jesper Krogh

[permalink] [raw]
Subject: Re: Linux 2.6.29-rc6

john stultz wrote:
>> Working (clocksource=tsc) 2.6.26.8
>> jk@quad03:~$ ntpdc -c kerninfo
>> pll offset: 0.003208 s
>> pll frequency: -25.070 ppm
> [snip]
>> Non-working (clocksource=tsc) 2.6.29-rc6
>> jk@quad12:~$ ntpdc -c kerninfo
>> pll offset: 0 s
>> pll frequency: -34.754 ppm
>
>
> Ok, so it seems ntp hasn't really had a chance to settle down, its only
> made a 10ppm adjustment so far. NTPd will stop corrections at ~
> +/-500ppm, so you're not at that bound yet, where things would be really
> broken.

But I should settle within a "reasonable" period of time? (not hours?).

> If the affected kernel isn't resetting in the logs anymore, I'd be
> interested in what the new ppm value is.

I keeps resetting after 7 hours .. Is there more information I can
provide?

Jesper

--
Jesper