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- To: chrony-users@xxxxxxxxxxxxxxxxxxxx
- Subject: [chrony-users] 'reload sources' fails when maxpoll is decreased
- From: Thomas Lange <thomas@xxxxxxxxxxxx>
- Date: Mon, 11 Sep 2023 11:39:08 +0200
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Hi,
'reload sources' fails if the maxpoll value is decreased for an existing source.
Running 'reload sources' a second time seems to readd the source.
Logs and comments below.
/Thomas
-------
Configured with --sysconfdir=/tmp --disable-ipv6 --disable-readline --without-editline --without-nettle --without-nss --without-tomcrypt --disable-nts --without-gnutls --disable-phc --disable-rtc --disable-asyncdns --disable-forcednsretry
--------
# cat /tmp/chrony.conf
driftfile /var/lib/chrony/drift
makestep 0.1 -1
rtcsync
acquisitionport 123
log statistics tracking measurements
logdir /var/log/chrony
sourcedir /tmp/chrony
hwtimestamp * minpoll 4
-------
# ./chronyd -d
2023-09-11T09:07:15Z chronyd version 4.4 starting (+CMDMON +NTP +REFCLOCK -RTC +PRIVDROP -SCFILTER -SIGND -ASYNCDNS -NTS -SECHASH -IPV6 +DEBUG)
2023-09-11T09:07:15Z Enabled HW timestamping on eth0
2023-09-11T09:07:15Z Enabled HW timestamping on eth1
2023-09-11T09:07:15Z Running with root privileges
2023-09-11T09:07:15Z Frequency 1.084 +/- 0.377 ppm read from /var/lib/chrony/drift
2023-09-11T09:07:15Z Added source 172.16.1.2
2023-09-11T09:07:21Z Selected source 172.16.1.2
<maxpoll reduced, 'reload sources' called>
2023-09-11T09:09:11Z Could not add source 172.16.1.2
2023-09-11T09:09:11Z Removed source 172.16.1.2
2023-09-11T09:09:11Z Can't synchronise: no selectable sources
<'reload sources' rerun>
2023-09-11T09:11:20Z Added source 172.16.1.2
2023-09-11T09:11:26Z Selected source 172.16.1.2
-------
# pwd
/tmp
# cat chrony/chrony.sources
server 172.16.1.2 burst iburst minpoll 6 maxpoll 10 xleave
# /tmp/chronyc sources
MS Name/IP address Stratum Poll Reach LastRx Last sample
===============================================================================
^* 172.16.1.2 2 6 37 52 +7338ns[+6266ns] +/- 14ms
<edit, reduce maxpoll>
# cat chrony/chrony.sources
server 172.16.1.2 burst iburst minpoll 6 maxpoll 9 xleave
# /tmp/chronyc reload sources
200 OK
# /tmp/chronyc sources
MS Name/IP address Stratum Poll Reach LastRx Last sample
===============================================================================
# /tmp/chronyc reload sources
200 OK
# /tmp/chronyc sources
MS Name/IP address Stratum Poll Reach LastRx Last sample
===============================================================================
^* 172.16.1.2 2 6 17 3 +6194ns[ -103us] +/- 14ms
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