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- To: "chrony-users@xxxxxxxxxxxxxxxxxxxx" <chrony-users@xxxxxxxxxxxxxxxxxxxx>
- Subject: Re: [chrony-users] Resume from suspend and default makestep configuration
- From: FUSTE Emmanuel <emmanuel.fuste@xxxxxxxxxxxxxxx>
- Date: Tue, 19 May 2020 14:39:28 +0000
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- Thread-topic: [chrony-users] Resume from suspend and default makestep configuration
Le 19/05/2020 à 16:11, Pali Rohár a écrit :
> On Tuesday 19 May 2020 13:40:18 FUSTE Emmanuel wrote:
>> Le 19/05/2020 à 15:11, Pali Rohár a écrit :
>>
>>> In past I lot of time seen problem that Windows stored system time in
>>> local timezone to RTC, then computer was rebooted to Linux which reads
>>> system time from RTC in UTC and saw incorrect time. Installing NTP
>>> daemon fixed this problem. And then after reboot Windows time was
>>> shifted and after few seconds/minutes it synchronized it again against
>>> Windows time server.
>> A better workaround: just intruct linux that RTC is in localtimezone and
>> not UTC and it would have worked.
> I remember that this setup did not work in one case: when linux system
> was booted prior booting windows system after DST change. Time was
> shifted two times, once by linux, once by windows as windows did not
> know that it should do it...
> Emmanuel.
Yes , the problem of shadow states. Only one could control the RTC,
simultaneously (VM) or asynchronously (Multiboot).
Your hibernation image is a shadow state too.
Emmanuel.