[time-nuts] Leap-second capture on laptop

Paul tic-toc at bodosom.net
Sun Jan 1 10:36:55 EST 2017


On Sun, Jan 1, 2017 at 9:44 AM, David Malone <dwmalone at maths.tcd.ie> wrote:

> On Sun, Jan 01, 2017 at 05:05:45AM -0800, Hal Murray wrote:
> > ghane0 at gmail.com said:
> > > No NTP was running.
>
> > What software told the kernel that there was going to be a leap second
> at the
> > end of the day?
>
> I guess it was part of systemd?
>

Unless you explicitly install ntp, systemd runs an SNTP-like client to keep
the time increasing (say across reboots) and notify the kernel of pending
leap seconds.  In that circumstance one would expect to see ...59:59 twice.


https://www.freedesktop.org/software/systemd/man/systemd-timesyncd.service.html


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