Mailinglist Archive: opensuse (4634 mails)

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Re: [opensuse] 10.2 system clock too fast and NTP
  • From: Darryl Gregorash <raven@xxxxxxxxxxxxx>
  • Date: Sat, 16 Dec 2006 16:35:10 -0600
  • Message-id: <4584749E.8050006@xxxxxxxxxxxxx>
On 2006-12-16 16:03, John Andersen wrote:
> On Saturday 16 December 2006 06:21, ByteEnable wrote:
>> 4 Dec 22:26:39 ntpd[12811]: synchronized to, stratum 1
>> 14 Dec 22:26:37 ntpd[12811]: time reset -1.472229 s
>> 14 Dec 22:26:37 ntpd[12811]: kernel time sync enabled 0001
>> 14 Dec 22:28:18 ntpd[12811]: synchronized to, stratum 1
>> 14 Dec 22:29:07 ntpd[12811]: no servers reachable
>> 14 Dec 22:29:45 ntpd[12811]: synchronized to, stratum 1
>> 14 Dec 22:30:24 ntpd[12811]: no servers reachable
>> 14 Dec 22:30:33 ntpd[12811]: synchronized to, stratum 1
> I'd be pretty suspicious of those "no servers reachable" messages.
> Do you have one or several servers configured? You should use as many
> as 4 or 5, and <dons flamesuit> avoid the pools because they have
> proven to be a single point of failure IMHO. If you use a pool, make sure
> you have at least two other clocks named explicitly.
> Universities (at least many of them in the US) seem to have time
> servers and mega-bandwidth. I use their servers a lot.
Both those IPs resolve; is UColorado, while
is AFAIK, neither of those is in any ntp pool.

The "no servers reachable" messages don't bother me very much, as ntpd
should be able to keep the time within reason for a lot longer than the
interval in the above log fragment.

What is of more concern is that the local clock seems way out of touch
with reality. That suggests to me that ntp is working properly, so long
as it can reach a server of course. It is rather something in the kernel
configuration that is wrong.

For Byte: what is the output of "adjtimex -p"?

The best way to accelerate a computer running Windows is at 9.81 m/s²

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