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From: Michael Tokarev <mjt@tls.msk.ru>
To: KVM list <kvm@vger.kernel.org>
Subject: Re: slow linux guest time: off by 7sec/hour
Date: Wed, 25 Nov 2009 19:54:15 +0300	[thread overview]
Message-ID: <4B0D6137.8020409@msgid.tls.msk.ru> (raw)
In-Reply-To: <4B0D259F.1020109@msgid.tls.msk.ru>

Michael Tokarev wrote:
> I'm havin yet another fancy prob with time in guests.
> It never happened before so far, but now it is like
> this for quite some time.
> 
> Here's the result of hourly ntpdate invocation on one
> of the guests, other guests shows very similar results:
> 
> Nov 25 06:17:09 isrv ntpdate[24713]: step time server 192.168.1.15 offset 7.851828 sec
.....

Ok, this is a 100% false alarm.  The problem was on the host,
the machine apparently has broken clock, to the extent when
ntpd wasn't able to keep up with it and was forced to step
it every so often.  After installing adjtimex on the host,
which offered adjustment of 209 sec/day, everything went to
normal again.

These time issues are driving me nuts ;)

Thanks!

/mjt

      reply	other threads:[~2009-11-25 16:54 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-11-25 12:39 slow linux guest time: off by 7sec/hour Michael Tokarev
2009-11-25 16:54 ` Michael Tokarev [this message]

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