Re: system clock out of sync after a reboot

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On Sat, 2019-11-23 at 23:22 -0500, Sam Varshavchik wrote:
> Louis Lagendijk writes:
> 
> > On Sat, 2019-11-23 at 10:09 -0500, Sam Varshavchik wrote:
> > 
> > > So, hwclock must be getting synced. But I don't see where hwclock
> > > would be
> > > getting called from. grepping /lib/systemd/system finds nothing.
> > > hwclock
> > > itself comes from util-linux, which doesn't install anything
> > > there.
> > > 
> > Is chrony itself supposed to keep the hw clock synced?
> > From https://chrony.tuxfamily.org/manual.html#rtcsync-directive::
> > 
> > 4.2.55 rtcsync
> > 
> > 
> > The rtcsync directive enables a mode where the system time is
> > periodically copied to the real time clock (RTC).
> 
> That looks like it. The rtcsync directive exist in my chrony.conf. I
> didn't  
> put there, so it must be in the default chrony.conf
> 
> So, the hardware clock seems to be getting synced, but it loses some
> seconds  
> during a reboot.
> 
This could quite well be a failing battery for the RTC on your
motherboard. Just replace it. It is mot likely a CR2032


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