[Dovecot] dovecot: Fatal: Time just moved backwards by 3909 seconds.

[Udo Rader]

Charles Marcus wrote:
> On 11/30/2009 4:36 PM, Udo Rader wrote:
>>>> Recent kernels should be able to keep the VM time synced using
>>>> kvmclock clocksource...
> 
>>> So I'll give clocksource=acpi_pm a chance and see how it turns out ...
> 
>> So for the sake of other peoples' nerves also facing this problem, the
>> solution was to add "divider=10" as a kernel boot parameter.
>>
>> There is an good post about this problem here:
>>
>> http://forums.fedoraforum.org/showthread.php?t=211100
>>
>> and this also leads to this document for VMWare giving an indication of
>> what the suggested parameters for various distributions are:
>>
>> http://kb.vmware.com/kb/1006427
> 
> Did you not try the clocksource=kvm-clock? Or do you not have a new
> enough kernel (2.6.27+)?
> 
> http://www.proxmox.com/forum/showthread.php?t=23814

No, unfortunately Centos 5.4 comes with a 2.6.18 kernel (though with 
many backports from newer versions).

% uname -r
2.6.18-164.6.1.el5.centos.plusPAE
% cat /sys/devices/system/clocksource/clocksource0/current_clocksource
kvm-clock

-- 
Udo Rader, CTO
http://www.bestsolution.at
http://riaschissl.blogspot.com