[Pkg-sysvinit-devel] NTP bites dovecot

martin f krafft madduck at debian.org
Thu Jun 18 10:49:49 UTC 2009

also sprach Henrique de Moraes Holschuh <hmh at debian.org> [2009.06.18.0528 +0200]:
> If it is userspace that is doing it, it can be fixed by applying the
> proper adjustment to the RTC, hwclock can do it through /etc/adjtime.
> See also package adjtimex.

You mean those approaches would not cause dovecot to die?

> As for running ntpdate/ntp -g (and whatever makes chrony step the
> clock backwads) outside of early boot is well into Don't Do That
> territory...

Debian and Ubuntu both do it, on resume as well as on if-up. I am
not sure this is still the case, but it certainly used to be.

> > And yes, it sucks to be stuck with sub-par hardware.
> I can imagine.  But this really _is_ something we should be able
> to work around properly without moving system time backwards after
> early userspace.  That's why ntp has that driftfile thing, and why
> hwclock has /etc/adjtime, and why adjtimex exists.

So the suggestion is to slow down/speed up the clock gracefully
until the time is right, rather than jumping it?

 .''`.   martin f. krafft <madduck at d.o>      Related projects:
: :'  :  proud Debian developer               http://debiansystem.info
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                                                           -- voltaire
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