clock running fast

[Brooks Davis]

[Please don't top post].

On Thu, Dec 30, 2004 at 11:13:55AM -0800, David Talkington wrote:
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> Federico Galvez-Durand Besnard wrote:
> 
> >what do you have in :
> >/etc/ntp.conf
> 
> Only:
> 
> server 		time.u.washington.edu
> server          127.127.1.0 
> fudge           127.127.1.0 stratum 10
> 
> 
> Command line:
> 
> /usr/sbin/ntpd -c /etc/ntp.conf -p /var/run/ntpd.pid \
> - -f /var/db/ntpd.drift

It's generally recommended that you never trust your own clock since
it's completely crap as time sources go.  It's also recommended that you
use at least 5 time sources to avoid problems with bad clocks.

-- Brooks

> >-----BEGIN PGP SIGNED MESSAGE-----
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> >
> >Salutations --
> >
> >I have an old board with an installation of STABLE whose time keeps 
> >running away.  ntpd is not helping.  I can manually set the time using 
> >ntpdate, and my ntpq queries look fine, yet the clock persists in running 
> >very fast (seems to be about 1.5x speed).  The BIOS clock remains correct, 
> >and the machine therefore has the correct time at each reboot, but quickly 
> >runs away.
> >
> >Data points:
> >
> >- - I have set kern.timecounter.hardware=TSC, and this has not helped. - - 
> >Two other hosts on the same network, using the same ntp server, do not 
> >have this problem.
> >- - This box did not display this behavior under FreeBSD 5.2. - - I have 
> >replaced the board on the problem box (with the same age and type), and 
> >the problem persists.
> >- - dmesg for this machine, an old Dell Optiplex 590, is below.
> >
> >What other information might help diagnose the problem?
> >
> >Thank you ... -d
> >
> >- --
> >David Talkington
> >dtalk-ml at prairienet.org 
> ><http://lists.freebsd.org/mailman/listinfo/freebsd-stable>
> >
> >
> >
> >_______________________________________________
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> >
> >
> 
> - -- 
> David Talkington
> Computing and Communications
> University of Washington
> 206-543-2144
> - --
> dtalk at u.washington.edu
> - --
> PGP key: http://staff.washington.edu/dtalk/004B8F8B.asc
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