Bug#801525: systemd: incorrect boot timestamps in wtmp, last reports negative duration

[Michael Biebl]

On Sun, 11 Oct 2015 19:23:34 +0200 =?UTF-8?B?UmVuw6kgV2FnbmVy?=
<rw at nelianur.org> wrote:
> Package: systemd
> Version: 215-17+deb8u2
> Severity: normal
> 
> Dear maintainers,
> 
> I'm not perfectly sure which package generates the "reboot" entries in
> wtmp. I believe in jessie to which I recently upgraded this is systemd,
> but please rassign this if that is not the case.
> 
> Since the upgrade to jessie the boot time reported by "last" is off by
> two hours, e.g., in the following entry it should have been 21:36. The
> shutdown time is correct.
> 
> reboot   system boot  3.16.0-4-amd64   Sat Oct 10 23:36 - 22:32  (-1:-4)
> 
> Perhaps this is caused by a confusion of local time vs. UTC? CEST is at
> UTC+2.
> 
> $ cat /etc/timezone
> Europe/Berlin
> 
> $ tail -n1 /etc/adjtime
> LOCAL

Most likely an issue of using LOCAL time, yeah.

My suggestion would be to switch to UTC. This works just better under Linux.


-- 
Why is it that all of the instruments seeking intelligent life in the
universe are pointed away from Earth?

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