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.)
I'd take the easy way out and turn ntpdate into a minutely job.
WARNING: The linux scheduler uses the pit and the pit alone. If the pit
stops, your system WILL lock up hard.
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