dhcpcd-discuss

On 14/01/2020 20:46, nighthawk wrote:
> On Tue, Jan 14, 2020 at 1:27 PM Roy Marples <roy@xxxxxxxxxxxx> wrote:
> > I don't see how DNS will restart NTP.
> > However, that dhcpcd version does request NTP by default, but it should only
> > restart NTP if the configuration has changed.
>
> Thats unexpected. I thought it would fire every time, regardless if
> the information changed or not. Cool stuff!
>
> > Newer versions do not request NTP.
> > Try commenting out "option ntp_servers" in /etc/dhcpcd.conf
>
> Good idea, I just tried that. My config now looks something like this:
>
> option rapid_commit
> option classless_static_routes
> option interface_mtu
>
> interface eth0
>          static ip_address=192.168.0.7/24
>          static routers=192.168.0.1
>          static domain_name_servers=192.168.0.1 2a02:908:2:a::1 2a02:908:2:b::1
>          dhcp6
>          nooption ntp_servers, dhcp6_ntp_server, dhcp6_name_servers
>
> Unfortunately my NTP service is still being restarted every 15 seconds.
>
> I looked at the relevant packets and see, that dhcpcd is indeed not
> requesting NTP or DNS information anymore - and the router is honoring
> this. I am now even more puzzled, why the hook script keeps being
> called.
>
> As soon as I set "nohook timesyncd.conf" the restarts stop - so it's
> definitely dhcpcd causing it. Any other ideas?

Your config is fine.
I don't supply the hook script timesyncd.conf.
If it's anything like the one here:
https://www.raspberrypi.org/forums/viewtopic.php?t=217832

Then it will restart NTP every time it runs, which is what you're reporting.

Roy