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Re: clock suddenly slipping behind



on Thu, 26 Aug 2004 08:34:17PM -0700, Stefan O'Rear insinuated:
> On Thu, Aug 26, 2004 at 11:23:07PM -0400, Nori Heikkinen wrote:
> > over the past few days, i've noticed that my system clock gets about
> > ten to fifteen minutes slow over the course of a day.  this is really
> > weird!  i've been using ntpdate to synchronize it with a timeserver
> > whenever i notice it, and i put it in a once-a-day cron job, but i
> > want my system to ALWAYS be on time.  i'm confused as to what's
> > causing this, and how i can fix it.  any ideas?
> 
> Perhaps your PIT is going south? (PIT = Programmable Interval Timer,
> a variable-frequency timer usually set to 100HZ by Linux.)

so, Tom seems to think it's not (which is good), but what is this PIT,
and where does it live?  hardware?  which?

> I'd take the easy way out and turn ntpdate into a minutely job.

yeah, could do that ... i feel like that's cheating, though :)

</nori>

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