system clock is too slow

Wolfgang Gill wolfgang at rpi.net.au
Wed Jul 28 03:50:17 UTC 2004


On Tue, 27 Jul 2004 20:31:47 -0700 (PDT), Murry McEntire wrote
> --- Erik Hemdal <ehemdal at townisp.com> wrote:
> 
> > The larger question, beyond use of ntpd, is why the clock
> > runs slow. 
> > I've only seen this happen on systems that are extremely
> > heavily
> > loaded.  When the system runs near 100% load all the time,
> > the real-time
> > clock interrupt gets starved, and the clock drifts back.  And
> > the only
> > time I've seen this occur is with a computer running a heavy
> > compute
> > load, like the SETI at Home daemon or the Folding at Home program. 
> > I'd
> > investigate this if you are running programs like this and
> > your computer
> > sits otherwise idle for a long time.
> 
> I've seen strange clock behavior when the battery on the
> motherboard is failing. Very slow when the machine is on, and
> typically a reset to the past when powered off for any length
> of time.
> 
> -- Murry

If that happens, the solution is simple.... Replace the battery..

Wolf
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