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Date:      Sat, 29 Nov 2003 07:04:16 +0100
From:      Michael Nottebrock <michaelnottebrock@gmx.net>
To:        "Marc G. Fournier" <scrappy@hub.org>, YONETANI Tomokazu <qhwt@myrealbox.com>
Cc:        freebsd-stable@freebsd.org
Subject:   Re: Time jumping on both 4.x and 5.x ...
Message-ID:  <200311290704.19498.michaelnottebrock@gmx.net>
In-Reply-To: <xzpvfp3wz3h.fsf@dwp.des.no>
References:  <20031128212342.G99096@ganymede.hub.org> <20031129003221.F99096@ganymede.hub.org> <xzpvfp3wz3h.fsf@dwp.des.no>

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On Saturday 29 November 2003 05:57, Dag-Erling Sm=F8rgrav wrote:
> "Marc G. Fournier" <scrappy@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.

=46WIW, it can reproduce this on two machines (one 4.9-RELEASE, one 5.1-REL=
EASE)=20
which both run ntpd. Takes some 10 minutes on both before the first steps=20
backwards turn up.

Unfortunately, both machines aren't very good datapoints because both have=
=20
pretty customized kernels and have -Os and -march optimized worlds/kernels.=
=2E.

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

=2D-=20
   ,_,   | Michael Nottebrock               | lofi@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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