[ntp:questions] dcf77 receiver makes ntp unstable? (drift and offset get jumpy)

Folkert van Heusden folkert at vanheusden.com
Mon Feb 7 14:27:31 UTC 2005


> > Well, things *do* run fine(!) with 2.6.9 if I disable the DCF77 receiver 
> > and
> > let my ntp-server only sync against ntp-servers on the net! Can it then 
> > still
> > be a problem related to acpi and such?
> 	I don't think that ACPI or APIC would be a problem in that case. 
> They seem to interfere the most when trying to use a local refclock 
> across a serial line

But in that case it is a problem over here, isn't it? My system does use a
dcf receiver across a rs232 line.

> -- the sort of thing that you'd want to use the 
> PPSKit mods for, if you were using kernel 2.4.

Unfortunately my dcf receiver doesn't emit a pps signal.


Folkert van Heusden

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