[ntp:questions] panic_stop with ntpd v4.2.6p3
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Null at BlackList.Anitech-Systems.invalid
Wed Jan 30 19:39:03 UTC 2013
John Connor wrote:
> I'm running ntpd v4.2.6p3 on Solaris 8 (I know; necessity..)
> and recently it experienced a panic_stop event:
> 25 Jan 11:31:32 ntpd: 126.96.36.199 961a 8a sys_peer
> 25 Jan 19:17:19 ntpd: 0.0.0.0 0628 08 no_sys_peer
> 25 Jan 21:19:03 ntpd: 188.8.131.52 961a 8a sys_peer
> 25 Jan 21:19:03 ntpd: 0.0.0.0 0617 07 panic_stop -741 s; set clock manually within 60 s.
It didn't have any useable servers for two hours?
... and after two hours it was 741 seconds off?
Either your hardware / OS platform is worse than a sundial
that your gardener moves around all the time;
or some other process is screwing with the time.
> Config file as follows:
> restrict default nomodify notrap
> restrict 127.0.0.1
> restrict 184.108.40.206 mask 255.255.255.0
restrict source nomodify notrap #Also; For pool servers
> server 0.uk.pool.ntp.org
> server 1.uk.pool.ntp.org
> server 2.uk.pool.ntp.org
> server 3.uk.pool.ntp.org
#instead; It will pull up to max clock (10) servers and replace them as needed
pool uk.pool.ntp.org iburst preempt
pool europe.pool.ntp.org iburst preempt
> driftfile /etc/ntp.drift
> logconfig=syncall +clockall +sysall +peerall
> logfile /data/ntp.log
> tinker panic 60
Why not just start NTP with -g ?
It should only have any large step when starting (once).
> I have noticed a number of large spikes:
> 27 Jan 12:26:32 ntpd: 0.0.0.0 0613 03 spike_detect -20.998734 s
> 27 Jan 12:44:29 ntpd: 0.0.0.0 061c 0c clock_step -20.998740 s
> 28 Jan 14:49:43 ntpd: 0.0.0.0 0613 03 spike_detect +41.002124 s
> 28 Jan 15:25:10 ntpd: 220.127.116.11 961a 8a sys_peer
> 28 Jan 15:25:10 ntpd: 0.0.0.0 061c 0c clock_step +41.002456 s
> Any advice would be appreciated.
21 and 41 second jumps ?
Something or someone is screwing with your time.
... or it is a virtual server that sleeps a lot.
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