Re: bin/55973: ntpd(8) does not notice all interface changes any more

[Frank Kardel <kardel%kardel.name@localhost>]

seems like one of the last routing socket optimizations have gone

unintendedly too far. Roy, could you please check?

Frank


On 02/04/21 10:55, martin%NetBSD.org@localhost wrote:
> > Number:         55973
> > Category:       bin
> > Synopsis:       ntpd(8) does not notice all interface changes any more
> > Confidential:   no
> > Severity:       serious
> > Priority:       medium
> > Responsible:    bin-bug-people
> > State:          open
> > Class:          sw-bug
> > Submitter-Id:   net
> > Arrival-Date:   Thu Feb 04 09:55:00 +0000 2021
> > Originator:     Martin Husemann
> > Release:        NetBSD 9.99.79
> > Organization:
> The NetBSD Foundation, Inc.
> > Environment:
> System: NetBSD out-of-the-silent-planet.aprisoft.de 9.99.79 NetBSD 9.99.79 (GENERIC64) #187: Wed Feb 3 21:38:13 CET 2021 martin%seven-days-to-the-wolves.aprisoft.de@localhost:/work/src/sys/arch/evbarm/compile/GENERIC64 evbarm
> Architecture: aarch64
> Machine: evbarm
> > Description:
> This board has no RTC clock so usualy picks up / file system time at boot.
> Due to other (unrelated) bugs it also has no network connectivity early at
> boot. This means dhcpcd does not configure network before ntpd(8) starts,
> but shortly after that netwok becomes available.
>
> Nevertheless does ntpd stay in .INIT. state forever (actually only tested
> for a few minutes):
>
>   > ntpq -p
>       remote           refid      st t when poll reach   delay   offset  jitter
> ==============================================================================
>   emmas.aprisoft. .INIT.          16 u    -   64    0    0.000   +0.000   0.000
>
>
> When I restart ntpd manually, it ~immediately establishes contact:
>
>   > ntpq -p
>       remote           refid      st t when poll reach   delay   offset  jitter
> ==============================================================================
>   emmas.aprisoft. 44.66.217.167    3 u    2   64    1    0.114  +17976.   0.000
>
>
> This used to work automatically w/o any manual intervention.
>
> > How-To-Repeat:
> s/a
>
> > Fix:
> n/a