On 10-Jun-99 Brian Servis wrote:
> *- On 10 Jun, Thorsten Manegold wrote about "systemtime"
>> Hi!
>> What does the file /etc/adjtime do?
>> It seems that when it is there hwclock.sh that is called at startup
>> always sets my systemtime to some funny value...
>>
>> Any ideas?
>
> Read the hwclock man page, there is a discussion about this file and
> its use.
>
Thanks. Must have overlooked that
> % man hwclock
> [....]
>
> The Adjust Function
> The Hardware Clock is usually not very accurate. However,
> much of its inaccuracy is completely predictable -- it
> gains or loses the same amount of time every day. This is
> called systematic drift. Hwclock's "adjust" function lets
> you make systematic corrections to correct the systematic
> drift.
>
> It works like this: Hwclock keeps a file, /etc/adjtime,
> that keeps some historical information. This is called
> the adjtime file.
> [....]
>
>
> Is it off by a fixed hour everytime? I think Debian by default sets the
> hwclock to GMT/UTC time and then sets the local time according to your
> timezone. Run tzconfig and make sure your timezone is correct. I am not
> an expert on this so this is about all the advice I can give.
No it changes all over the place (last time to the year 2006. So now I at least
know that I don't have a Y2K bug...). The Bios however is not that bad as that.
I first thought it might be the mainboard battery, but after I checked the bios
before startup for a while I came away ok.
Often I will find it set to the time/date that I last shut down my system
(almost to the second according to my messages file). Almost as if it saved the
time to restore it when started again...
>
> Anybody else have more concrete advice?
TIA
Thorsten Manegold
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Date: 11-Jun-99
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