Time jumping on both 4.x and 5.x ...

Michael Nottebrock michaelnottebrock at gmx.net
Fri Nov 28 22:04:41 PST 2003


On Saturday 29 November 2003 05:57, Dag-Erling Smørgrav wrote:
> "Marc G. Fournier" <scrappy at hub.org> writes:
> > as to ntpd/timed ... don't run either ... run ntpdate twice a day (11:59
> > and 23:59)
>
> Don't Do That.  It will lead to all kinds of trouble that will take
> you ages to figure out.  Really, ntpd is so ridiculously easy to set
> up (especially if you already have ntpdate working) that there is no
> reason not to use it.

FWIW, it can reproduce this on two machines (one 4.9-RELEASE, one 5.1-RELEASE) 
which both run ntpd. Takes some 10 minutes on both before the first steps 
backwards turn up.

Unfortunately, both machines aren't very good datapoints because both have 
pretty customized kernels and have -Os and -march optimized worlds/kernels...

Both have kern.timecounter.hardware: ACPI-fast, too.

-- 
   ,_,   | Michael Nottebrock               | lofi at freebsd.org
 (/^ ^\) | FreeBSD - The Power to Serve     | http://www.freebsd.org
   \u/   | K Desktop Environment on FreeBSD | http://freebsd.kde.org
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