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From: <cdr.nil@gmail.com>
Sender: "Mark Willson" <mark.willson@motet.co.uk>
To: "'Konstantin Belousov'" <kostikbel@gmail.com>
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 <20140630131857.GL93733@kib.kiev.ua>
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Subject: RE: Hourly cron jobs running to early
Date: Mon, 30 Jun 2014 18:01:10 +0100
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> -----Original Message-----
> From: owner-freebsd-stable@freebsd.org [mailto:owner-freebsd-
> stable@freebsd.org] On Behalf Of Konstantin Belousov
> Sent: 30 June 2014 14:19
> To: cdr.nil@gmail.com
> Cc: freebsd-stable@freebsd.org
> Subject: Re: Hourly cron jobs running to early
> 
> On Mon, Jun 30, 2014 at 02:03:31PM +0100, cdr.nil@gmail.com wrote:
> > Folks,
> >
> > I, too, am seeing a problem of cron running jobs a few seconds too
early.
> > This is on a Thinkpad T42 running:
> >
> > FreeBSD cobalt 10.0-RELEASE-p6 FreeBSD 10.0-RELEASE-p6 #3 r267829M: Wed
Jun
> > 25 07:41:33 BST 2014     root@cobalt:/usr/obj/usr/src/sys/GENERIC  i386
> >
> > BIOS clock is running UTC and is under ntpd control.
> >
> > I noticed this on a logging cron job that is supposed to run on the
hour.
> > These are the last few timings:
> >
> > 03:59:47
> > 04:59:12
> > 05:59:47
> > 06:59:47
> > 07:59:47
> > 08:59:47
> > 09:59:47
> > 10:59:47
> > 11:59:47
> > 12:59:47
> >
> The head r261146, merged to stable/10 as r261231, seems to be
> relevant.

Konstantin,

Thanks for the pointer.  I've applied the patch and cron seems to be
behaving itself.

-mark