Re: Is the Optiplex hwclock junk?

John Peacock <[email protected]> Wed, 03 Dec 2003 11:56:31 -0500
Newsgroups gmane.comp.lib.libtai
Organization Rowman & Littlefield Publishing Group
Message-ID <[email protected]>
Andrew A. Raines wrote:

> So is the only recourse in my situation to cron (er, runwhen)
> clockadd and manually force the clock into submission?

I have a couple of cheap machines which have this same problem.  I found that if 
I just reduced the maximum time between adjustments to a week (604800 sec), they 
stay perfectly synced:

2003-11-20 18:53:29.810861500 before: 2003-11-20 18:53:29.810550000000000000
2003-11-20 18:53:29.811093500 after:  2003-11-20 18:53:29.810550001438183395
2003-11-20 18:53:29.811406500 ----------------------
2003-11-20 18:53:29.825758500 Sleeping 604800 seconds ...
2003-11-27 18:53:43.691408500 before: 2003-11-27 18:53:43.691064000000000000
2003-11-27 18:53:43.746927500 after:  2003-11-27 18:53:43.694818309859402477

You may want to adjust MAXIMUM_WAIT until you see where the natural drift on 
your machine lays.

HTH

John

-- 
John Peacock
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