Re: [chrony-users] chrony configuration help (please)

[Mauro Condarelli <mc5686@xxxxxxxxx>]

Thanks Miroslav,
comments inline below.

Il 05/08/2015 10:10, Miroslav Lichvar ha scritto:
> On Wed, Aug 05, 2015 at 09:55:29AM +0200, Mauro Condarelli wrote:
> > Il 05/08/2015 03:12, Bill Unruh ha scritto:
> > > Maybe there is something which puts the system to sleep if it is inactive to a
> > > long time. since a million seconds is certainly a long time, that thing could
> > > decide you have been inactive and puts everything to sleep. Then when things
> > > start to happen again, it wakes up
> > This does not really look true: kernel (at least lower levels) seems active (ping works and serial console input char are correctly buffered; also ssh connection is kept alive).
> > I was doing absolutely nothing on target that could "revive" it.
> >
> > It seems like "Trimming RTC" takes a long time to execute when error is large; is that possible?
> It could be. The "Forward time jump detected!" means the clock has
> jumped without chronyd knowing, as it would if the system call which
> sets the RTC was blocked for more than 10 seconds.
>
> The messages about trimming RTC every minute or so suggest there is
> something wrong with the RTC in any case.
I will have the hardware guys to look at it; we may have a quartz/oscillator problem (maybe).
Do You have suggestions to pinpoint the problem?
> > Can You suggest what I should try?
> > I'm currently out of ideas.
> Try it again without the rtcfile directive in chrony.conf. That will
> disable all RTC reading and trimming. If that works, it could be a
> problem with the RTC kernel driver.
Confirmed:
No RTC --> no freeze (and I do not see all those "Trimming RTC, ..." messages, of course)

I will need to debug RTC (hardware and/or driver), but that has nothing to do with chrony (suggestions are welcome, however!).
I will try the "-s" switch and I will reply to Your other mail. THANKS.
>
Regards
Mauro

--
To unsubscribe email chrony-users-request@xxxxxxxxxxxxxxxxxxxx 
with "unsubscribe" in the subject.
For help email chrony-users-request@xxxxxxxxxxxxxxxxxxxx 
with "help" in the subject.
Trouble?  Email listmaster@xxxxxxxxxxxxxxxxxxxx.