[ntp:questions] ntpd wedged again

A C agcarver+ntp at acarver.net
Tue Feb 14 00:26:58 UTC 2012


On 2/13/2012 15:44, David Lord wrote:

> Recent ntpd is supposed to handle that level of frequency
> offset but most of my pcs have had the frequency offset
> adjusted to be < 10 ppm which is done when I build a kernel
> with "options PPS_SYNC" and "options TIMER_FREQ=119????".

This kernel does have PPS_SYNC enabled but I'm not using it right now 
since I'm still debugging ntpd/libc.  I'll start using it next week 
after I know ntpd will survive a week straight.

How do you determine the timer frequency number?  Trial and error?



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