UPDATE: Bizzare date issue, time out of sequence

From: Michael DeSimone (michael@desimone.net)
Date: Fri Mar 12 2004 - 11:06:43 EST


Sorry two post twice I forgot to paste in the output of my script - here
it is please not that the hour is fine as is the seconds but the minutes
have problems getting from 3 to 6 - but no time is lost.

Thanks again,
Michael

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Michael DeSimone wrote:

> Hello Managers,
>
> I have a 420R that has suddenly began exhibiting bizarre issues with
> it's date. We first noticed this in our iPlanet (4 SP11). It would be
> logging along just swimmingly and then the date would jump exactly 4
> hours ahead for a few entries and then come back in line. This box
> was running xntpd and logged drift to /var/adm/messages - nothing this
> drastic was noted there. Some developers had sworn up and down that
> they were on the box and ran a `date` and saw the same time
> difference. They blamed NTP so, even though no other box on our
> network exhibited this issue NTP was turned off. Now this is the point
> at which I was pulled into the issue. I set up a stupid little script
> that runs a date dumps it to a file then sleeps for 60 seconds and
> repeats. I was hoping to see somewhat normal operations. Of course I
> was not that lucky. Doing this my clock will not display the *4 and *5
> minutes i.e. it would not show 7:44 and 7:45 instead it would show
> 7:40 and 7:41 (see pasted script output below). I ran the script on 3
> other machines in the same environment and they all report time
> normally, in sequence.
>
> vmstat -i reports normal for the clock (100)
> Doing a sum on date reports the same as other systems
>
> Does anyone have any idea what could cause this? Any suggestions on
> what else I could do to figure out what is broken?
>
> Thanks - will Summarize,
> Michael
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