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-   -   date differs permanent some 3450 sec. (http://www.linux-archive.org/centos/262547-date-differs-permanent-some-3450-sec.html)

John Doe 03-13-2009 08:59 AM

date differs permanent some 3450 sec.
 
From: Helmut Drodofsky <drodofsky@internet-xs.de>
> the date jumps within 30 seconds to a wrong value. ntp
> service is stopped at the beginning.
> [root@kerio ~]# ntpdate 0.centos.pool.ntp.org
> 13 Mar 07:04:48 ntpdate[23003]: step time server
> 131.234.137.24 offset -3450.678273 sec

Not sure what is going on but maybe try ntpdate with -B...

JD




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Kai Schaetzl 03-13-2009 10:31 AM

date differs permanent some 3450 sec.
 
why don't you give any information about your system? If that is in a VM
you better read the posts in centos-virt.

Kai

--
Kai Schätzl, Berlin, Germany
Get your web at Conactive Internet Services: http://www.conactive.com



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"Helmut Drodofsky" 03-13-2009 12:03 PM

date differs permanent some 3450 sec.
 
Ntpdate sets the correct time. Within 30 seconds, time will be resettet! From who?

Helmut


-----Ursprüngliche Nachricht-----
Von: centos-bounces@centos.org [mailto:centos-bounces@centos.org] Im Auftrag von John Doe
Gesendet: Freitag, 13. März 2009 10:59
An: CentOS mailing list
Betreff: Re: [CentOS] date differs permanent some 3450 sec.


From: Helmut Drodofsky <drodofsky@internet-xs.de>
> the date jumps within 30 seconds to a wrong value. ntp service is
> stopped at the beginning.
> [root@kerio ~]# ntpdate 0.centos.pool.ntp.org
> 13 Mar 07:04:48 ntpdate[23003]: step time server
> 131.234.137.24 offset -3450.678273 sec

Not sure what is going on but maybe try ntpdate with -B...

JD




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Ross Walker 03-13-2009 12:18 PM

date differs permanent some 3450 sec.
 
On Mar 13, 2009, at 3:24 AM, "Helmut Drodofsky" <drodofsky@internet-xs.de
> wrote:

> Hi,
>
>
>
> the date jumps within 30 seconds to a wrong value. ntp service is
> stopped at the beginning.
>
>
>
> Whereas hwclock seems more precise.
>
>
>
> [root@kerio ~]# service ntpd stop
>
> Shutting down ntpd: [ OK ]
>
> [root@kerio ~]# ntpdate 0.centos.pool.ntp.org
>
> 13 Mar 07:04:48 ntpdate[23003]: step time server 131.234.137.24
> offset -3450.678273 sec
>
> [root@kerio ~]# hwclock
>
> Fri 13 Mar 2009 07:04:59 AM GMT -0.014767 seconds
>
> [root@kerio ~]# date
>
> Fri Mar 13 07:05:02 GMT 2009
>
> [root@kerio ~]# date
>
> Fri Mar 13 07:05:14 GMT 2009
>
> [root@kerio ~]# date
>
> Fri Mar 13 08:03:01 GMT 2009
>
> [root@kerio ~]# hwclock
>
> Fri 13 Mar 2009 07:05:37 AM GMT -0.083628 seconds
>
> [root@kerio ~]#
>
>
>
> /etc/ntp.conf is in original configuration.
>
>
>
> Remarks:
>
> - most of our servers run without X-Windows, this uses X-Windows and
> Gnome.
>
> - the server runs kerio mail services. Even the original from kerio
> configured VMWare server has had this behavior.
>
> - stopping of keriomailserver does not help
>
If your hwclock stores local time and your BIOS adjusts it for DST
that would cause a 3600 second time difference or if your hwclock
stores UTC and the BIOS adds an hour to that...

Turn off any BIOS DST adjust feature if it's enabled.

-Ross

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Andrew Hull 03-13-2009 12:52 PM

date differs permanent some 3450 sec.
 
> If your hwclock stores local time and your BIOS adjusts it for DST
> that would cause a 3600 second time difference or if your hwclock
> stores UTC and the BIOS adds an hour to that...
>
> Turn off any BIOS DST adjust feature if it's enabled.
>

OP: Did the problem start when DST took affect?

If not, then the theory that DST hardware/software features/bugs seems
to be invalidated. Of course, the inverse could be true as well.

Andy
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