Re: Using an ntp service

[Adam Mazurkiewicz <trzczy@gmail.com>]

śr., 22 maj 2019 o 17:32 Giovanni Biscuolo <g@xelera.eu> napisał(a):
Hi Giovanni,
> Hi Adam,
>
> Adam Mazurkiewicz <trzczy@gmail.com> writes:
>
> [...]
>
> > I expected that it would sync system time, but it did not. I have
> > still been getting the time of my computer BIOS in a terminal, not the
> > synced one.
>
> If system clock is too late (or too far in the future) ntpd will not
> update it
>
> «Normally, ntpd exits if the offset exceeds the sanity limit, which is
> 1000 s by default. » [1]
>
> Is this your case?
I had CEST set in BIOS instead of UTC. Guixsd added 2 hours so the
offset was exceeded. So this was a reason. I think.

>
> > Also in Xfce DE Clock. I have no idea how to debug it and
> > fix.
>
> To debug you should check "sudo tac /var/log/messages | grep ntpd |
> less" messages
Now time is successfuly updating but still some error messages remains:
May 24 18:43:16 localhost shepherd[1]: Service ntpd has been started.
May 24 18:43:16 localhost ntpd[303]: ntpd 4.2.8p13@1.3847-o Mon Mar 18
23:20:45 UTC 2019 (1): Starting
May 24 18:43:16 localhost ntpd[303]: Command line:
/gnu/store/c7lsm0nkrdkp1rapg6qkrr6121d1g2nh-ntp-4.2.8p13/bin/ntpd -n
-c /gnu/store/1l1yf5dss8r9pqxklaax32s6bkah09c6-ntpd.conf -u ntpd
May 24 18:43:16 localhost ntpd[303]: proto: precision = 0.075 usec (-24)
May 24 18:43:16 localhost ntpd[303]: baseday_set_day: invalid day
(25556), UNIX epoch substituted
May 24 18:43:16 localhost ntpd[303]: basedate set to 1970-01-01
May 24 18:43:16 localhost ntpd[303]: gps base set to 1980-01-05 (week 0)
May 24 18:43:16 localhost ntpd[303]: restrict default: KOD does
nothing without LIMITED.
May 24 18:43:16 localhost ntpd[303]: restrict ::: KOD does nothing
without LIMITED.
May 24 18:43:17 localhost ntpd[303]: Listen and drop on 0 v6wildcard [::]:123
May 24 18:43:17 localhost ntpd[303]: Listen and drop on 1 v4wildcard 0.0.0.0:123
May 24 18:43:17 localhost ntpd[303]: Listen normally on 2 lo 127.0.0.1:123
May 24 18:43:18 localhost ntpd[303]: Listen normally on 3 lo [::1]:123
May 24 18:43:18 localhost ntpd[303]: Listening on routing socket on fd
#20 for interface updates
May 24 18:43:18 localhost ntpd[303]: kernel reports TIME_ERROR: 0x41:
Clock Unsynchronized
May 24 18:43:18 localhost ntpd[303]: kernel reports TIME_ERROR: 0x41:
Clock Unsynchronized
May 24 18:43:23 localhost ntpd[303]: Listen normally on 4 enp2s0
192.168.2.100:123
May 24 18:43:23 localhost ntpd[303]: Listen normally on 5 enp2s0
[fe80::9a7d:7c36:3981:569d%2]:123
May 24 18:40:50 localhost ntpd[303]: receive: Unexpected origin
timestamp 0xe0929e76.87709e83 does not match aorg 0000000000.00000000
from server@194.177.4.2 xmt 0xe0929d12.2dc3cf7a
s@s ~$

And I had to wait for the update about 5 minutes. But anyway at least
this situation is not bad.

>
> > Any help will be appreciated.
>
> Set your clock (via date command or some GUI) and then "sudo hwclock
> --systohc" to update your BIOS clock.
I did so and it updated BIOS time successfuly.
>
> Last but not least: check your hardware clock setting are preserved
> between reboots, if not you should change it's battery (if it's not
> broken).
>
> HTH! Gio'
>
>
> [1] http://doc.ntp.org/4.1.0/ntpd.htm
>
>
> --
> Giovanni Biscuolo
>
> Xelera IT Infrastructures
Thanks, Giovanni