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Problem

My FreeBSD is always 2 hours behind when I'm offline although my BIOS clock shows the UTC time and my time zone is set to CET in /etc/localtime.

I'd like FreeBSD to look at the clock in BIOS, assume that it is UTC, check what time zone is chosen and then set the time on the machine accordingly.

Details

I've already tried removing /etc/wall_cmos_clock and running adjkerntz -a after I changed machdep.adjkerntz with sysctl from -7200 to 0. I rebooted the machine several times in different configurations during that process.

I am not interested in solutions utilizing the ntpd utility as it requires an Internet connection.

It is a dual boot system. The second system is Ubuntu 17.04 and it is its GRUB which boots FreeBSD via chain loading.

Workaround

I couldn't find any solutions online so I decided to change the time manually with date(1).

# date +%H%M
1426
# date 1626

I'd love to know if there is a better solution however.

References

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1 Answer 1

Reset to default
1

To have your correct time, please instead of CET, set your locatime to Europe/Warsaw.

To do it in FreeBSD, run as root:

ln -s /usr/share/zoneinfo/Europe/Warsaw /etc/localtime
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3
  • Didn't help. I've tried that already... the system was still two hours behind the expected time.
    – Mateusz Piotrowski
    Jun 18, 2017 at 14:16
  • It it a dual boot system? It is not coincidence it is two hours.
    – Rui F Ribeiro
    Jun 18, 2017 at 14:22
  • it is. The 2nd system is Ubuntu 17.04. Does it matter if the clock in BIOS shows the UTC time?
    – Mateusz Piotrowski
    Jun 18, 2017 at 14:55

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