[ntp:questions] Re: synchronisation lost problem

mayer at gis.net mayer at gis.net
Tue Dec 7 13:49:01 UTC 2004


Serge Tchesmeli wrote:
> Hi everybody.
>
> First of all, excuse my poor english, i'm a french user.
>
> My problem:
>
> One of our server have "synchronisation lost" problem severall time a
day. In
> a doubt, we have change hardware (all except disk) and the problem is
still
> here.
> We have 500 others servers, with exactly the same ntp configuration
and only
> THIS server have this trouble.
> I have actived all log, and here result:
>
> 6 Dec 13:56:47 ntpd[22002]: time reset 0.142454 s
> 6 Dec 13:56:47 ntpd[22002]: kernel time discipline status change 1
> 6 Dec 13:56:47 ntpd[22002]: synchronisation lost
> 6 Dec 13:56:47 ntpd[22002]: system event 'event_clock_reset' (0x05)
status
> 'leap_none, sync_unspec, 8 events, event_peer/strat_chg' (0x84)
>  6 Dec 13:56:47 ntpd[22002]: system event 'event_peer/strat_chg'
(0x04) status
> 'leap_none, sync_unspec, 9 events, event_clock_reset' (0x95)
>  6 Dec 13:56:49 ntpd[22002]: peer 192.168.0.151 event 'event_reach'
(0x84)
> status 'unreach, conf, 3 events, event_reach' (0x8034)
>  6 Dec 13:56:56 ntpd[22002]: peer 192.168.0.150 event 'event_reach'
(0x84)
> status 'unreach, conf, 3 events, event_reach' (0x8034)
>  6 Dec 14:38:22 ntpd[22002]: offset 0.022124 sec freq 178.812 ppm
error
> 0.027763 poll 9
>  6 Dec 15:38:23 ntpd[22002]: offset 0.017784 sec freq 180.624 ppm
error
> 0.028154 poll 10
>  6 Dec 16:38:23 ntpd[22002]: offset 0.113686 sec freq 181.484 ppm
error
> 0.046980 poll 10
>  6 Dec 17:11:15 ntpd[22002]: time reset 0.184771 s
>  6 Dec 17:11:15 ntpd[22002]: synchronisation lost
>  6 Dec 17:11:15 ntpd[22002]: system event 'event_clock_reset' (0x05)
status
> 'leap_none, sync_unspec, 12 events, event_peer/strat_chg' (0xc4)
>  6 Dec 17:11:15 ntpd[22002]: system event 'event_peer/strat_chg'
(0x04) status
> 'leap_none, sync_unspec, 13 events, event_clock_reset' (0xd5)
>  6 Dec 17:11:17 ntpd[22002]: peer 192.168.0.150 event 'event_reach'
(0x84)
> status 'unreach, conf, 4 events, event_reach' (0x8044)
>  6 Dec 17:11:25 ntpd[22002]: peer 192.168.0.151 event 'event_reach'
(0x84)
> status 'unreach, conf, 4 events, event_reach' (0x8044)
>  6 Dec 17:38:24 ntpd[22002]: offset 0.051767 sec freq 220.260 ppm
error
> 0.040462 poll 8
>
>
> If someone can help me, thanks.


Rather than playing around with the hardware why aren't you
looking at the network connectivity. Did you run a traceroute
to see where it might have lost connectivity?

Danny




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