check_ntp_time : "Offset Unknown" for any host since yesterday

Thomas Guyot-Sionnest dermoth at aei.ca
Tue Dec 30 20:59:25 CET 2008


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On 30/12/08 12:44 PM, Toussaint OTTAVI wrote:
> Hi,
> 
> I've been using check_ntp_time plugin to check the time offset of all my
> time servers. It's been working perfectly for a while.
> 
> Last night (29 to 30/12 at 00:00), all the checks start having the same
> behavior quite at the same time. All of them return :
> " NTP CRITICAL: Offset unknown"
> 
> Of course, all the time servers are running, and their time is accurate.
> I can't understand why all the checks start failing all at the same time.

This is likely caused by a bug in versions 1.4.10 and 1.4.11 of
check_ntp and check_ntp_time that is triggered when a leap second is
inserted (which is the case this year). Fortunately I spotted it a while
ago and you should be OK if you upgrade to 1.4.12 or later :)

- --
Thomas
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