[ntp:questions] NTPd instability and openntpd

Jason Rabel jason at extremeoverclocking.com
Sat Sep 15 00:17:07 UTC 2007


> The host is a dual processor FreeBSD host with low load, today
> counting 107 days of uptime. The connectivity is a 11Mbps fiber optic,
> that proven pretty reliable in the last five years.
> So I did not believe those stats first and put a polling script on
> another server 150 km away from this one. Unfortunately or not, it
> confirmed the downtimes.

> So NTPd seems the only point of guilt. I re-compiled with debugging
> enabled to trace the problem. I could be unable to read its debugging
> dumps, but its L1 and L2 debug levels proven useless to me. For
> example, none did show client request coming in, nor served nor
> rejected. L1 is quite a lot verbose and L2 is extremely verbose, so
> further levels would be simply unreadable to me.

Could this be a problem with UDP packets being dropped along your network
somewhere? Perhaps you should use some other program to see if the packets
are reaching your machine.




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