Date: Wed, 28 Jan 2009 09:25:42 +0200 From: Giorgos Keramidas <keramida@freebsd.org> To: Rong-en Fan <grafan@gmail.com> Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org Subject: Re: svn commit: r187782 - in head: etc/rc.d share/man/man5 Message-ID: <87r62nnb7t.fsf@kobe.laptop> In-Reply-To: <6eb82e0901272050l6678ea37idc8ea53e948a15e5@mail.gmail.com> (Rong-en Fan's message of "Wed, 28 Jan 2009 12:50:22 %2B0800") References: <200901272013.n0RKDOBR095434@svn.freebsd.org> <6eb82e0901272050l6678ea37idc8ea53e948a15e5@mail.gmail.com>
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On Wed, 28 Jan 2009 12:50:22 +0800, Rong-en Fan <grafan@gmail.com> wrote:
> On Wed, Jan 28, 2009 at 4:13 AM, Giorgos Keramidas <keramida@freebsd.org> wrote:
>> Modified: head/etc/rc.d/ntpd
>> ==============================================================================
>> --- head/etc/rc.d/ntpd Tue Jan 27 19:56:38 2009 (r187781)
>> +++ head/etc/rc.d/ntpd Tue Jan 27 20:13:24 2009 (r187782)
>> @@ -23,7 +23,7 @@ ntpd_precmd()
>> rc_flags="-c ${ntpd_config} ${ntpd_flags}"
>>
>> if checkyesno ntpd_sync_on_start; then
>> - rc_flags="-g $rc_flags"
>> + rc_flags="-q -g $rc_flags"
>> fi
>>
>> if [ -z "$ntpd_chrootdir" ]; then
>>
>
> According to ntp(8), -q makes ntpd exits just after the first time the
> clock is set.
Yes, you are right :)
> Doesn't this mean if ntpd_sync_on_start is on and the time difference
> is large, then ntpd will exit after the first time sync? Is this the
> behavior we really want?
>
> Shouldn't we keep ntp running after the clock is adjusted?
This is correct too. The effect of `ntpd_sync_on_start' is supposed to
be the same as if we run `ntpdate' before the real ntpd starts, so this
option only applies to the first sync-once instance of ntpd. The real
ntpd starts later, and finds the clock pre-synced.
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