> Le 28 août 2015 à 04:52, ※踏梦狼※ <121156...@qq.com> a écrit :
> 
> 20 Aug 12:42:52 ntpd[14554]: 0.0.0.0 c618 08 no_sys_peer
> 20 Aug 12:58:17 ntpd[14554]: 0.0.0.0 c612 02 freq_set kernel -586.374 PPM   
> *********
> 20 Aug 12:58:17 ntpd[14554]: 0.0.0.0 c61c 0c clock_step -0.522594 s
> 20 Aug 12:58:17 ntpd[14554]: 0.0.0.0 c615 05 clock_sync
> 20 Aug 12:58:18 ntpd[14554]: 0.0.0.0 c618 08 no_sys_peer
> 20 Aug 13:11:51 ntpd[14554]: 0.0.0.0 0613 03 spike_detect +0.247108 s
> 20 Aug 13:28:12 ntpd[14554]: 0.0.0.0 061c 0c clock_step +0.174737 s
> 20 Aug 13:28:12 ntpd[14554]: 0.0.0.0 0614 04 freq_mode
> 20 Aug 13:28:13 ntpd[14554]: 0.0.0.0 c618 08 no_sys_peer
> 20 Aug 13:43:52 ntpd[14554]: 0.0.0.0 c612 02 freq_set kernel -461.842 PPM
> 20 Aug 13:43:52 ntpd[14554]: 0.0.0.0 c615 05 clock_sync
> 20 Aug 19:48:08 ntpd[14554]: 0.0.0.0 0613 03 spike_detect +1.010504 s    
> *********
> 20 Aug 20:05:14 ntpd[14554]: 0.0.0.0 061c 0c clock_step +1.491656 s
> 20 Aug 20:05:15 ntpd[14554]: 0.0.0.0 0615 05 clock_sync
> 20 Aug 20:05:16 ntpd[14554]: 0.0.0.0 c618 08 no_sys_peer
> 20 Aug 20:42:53 ntpd[14554]: 0.0.0.0 c613 03 spike_detect +0.949681 s
> 20 Aug 21:00:09 ntpd[14554]: 0.0.0.0 c618 08 no_sys_peer
> 21 Aug 14:24:50 ntpd[14554]: ntpd exiting on signal 15
> 28 Aug 10:25:48 ntpd[5937]: 0.0.0.0 c016 06 restart
> 28 Aug 10:25:48 ntpd[5937]: 0.0.0.0 c012 02 freq_set kernel -471.344 PPM
> 28 Aug 10:29:04 ntpd[5937]: 0.0.0.0 c61c 0c clock_step +0.233855 s
> 28 Aug 10:29:04 ntpd[5937]: 0.0.0.0 c614 04 freq_mode
> 28 Aug 10:29:05 ntpd[5937]: 0.0.0.0 c618 08 no_sys_peer
> 28 Aug 10:44:43 ntpd[5937]: 0.0.0.0 c612 02 freq_set kernel -25.526 PPM
> 28 Aug 10:44:43 ntpd[5937]: 0.0.0.0 c61c 0c clock_step +0.418623 s
> 28 Aug 10:44:44 ntpd[5937]: 0.0.0.0 c618 08 no_sys_peer
> 

The above indicates that this clients local clock (cpu) is running too slow, 
exceeding the ntpd’s max drift factor of 500ppm and also the max offset factor 
of 128ms.
So if this is the only system affected it looks like the clock is sick.  
Monitor it’s drift outside NTP .
Is this the only client seeing the issue, or are others? Are the clients stand 
alone or virtual machines? If virtual, maybe you are missing a system config 
parameter.

Hope that helps.

"Ceux qui sont prêts à abandonner une liberté essentielle pour obtenir une 
petite et provisoire sécurité, ne méritent ni liberté ni sécurité."
Benjimin Franklin
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