Your message dated Sat, 04 Apr 2020 17:00:11 +0000
with message-id <[email protected]>
and subject line Bug#947936: fixed in systemd 245.4-2
has caused the Debian Bug report #947936,
regarding chrony: Does (still) not start properly on boot on buster
to be marked as done.
This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.
(NB: If you are a system administrator and have no idea what this
message is talking about, this may indicate a serious mail system
misconfiguration somewhere. Please contact [email protected]
immediately.)
--
947936: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=947936
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: chrony
Version: 3.4-4
Severity: important
Dear maintainer:
Apparently, installing chrony does not ensure at all that it will work.
Google has moved from ntp in Debian 9 to chrony in Debian 10 for their
default Debian GCE images, and I discovered this on a lot of GCE
instances having a clock several minutes off.
The problem I found is very similar to the one described here:
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=933370
I believe the best summary of the problem was made by Michael Biebl
here:
https://github.com/systemd/systemd/issues/7104#issuecomment-471329392
Quoting Michael:
> As it stands, the current practice of having systemd-timesyncd.service
> enabled by default (in Debian) and alternative implementations like
> chrony or ntpd declare Conflicts=systemd-timesyncd.service in their
> service file does not work reliably.
AFAIK, this has been fixed on the systemd side in version 241-3 by
dropping the "Conflicts" systemd had on chrony or ntpd.
Unfortunately, AFAIK, conflicts are bi-directional, so apparently the
problem will persist in buster as far as chrony still has conflicts
in the systemd unit file.
I've noticed this problem happens randomly (it happens in some
instances, it does not happens in some others), so I don't have a
"recipe" as such to reproduce it.
However, I have a particular instance at GCE showing this behaviour
which I could try to clone to give you ssh access if required (please
contact me privately for details).
The behaviour is the following:
Both systemd-timesyncd and chrony are enabled (which is the default
on GCE instances). Just after a reboot, "systemctl status chrony" shows this:
● chrony.service - chrony, an NTP client/server
Loaded: loaded (/lib/systemd/system/chrony.service; enabled; vendor preset:
enabled)
Active: inactive (dead)
Docs: man:chronyd(8)
man:chronyc(1)
man:chrony.conf(5)
and I see this in the boot log:
systemd[1]: Condition check resulted in Network Time Synchronization being
skipped.
If I do "systemctl disable systemd-timesyncd" and reboot, chrony is
properly loaded and it runs.
If I do "systemctl enable systemd-timesyncd" again and reboot, chrony
is shown as "inactive (dead)" again.
At this point, if I edit
/etc/systemd/system/multi-user.target.wants/chrony.service
to remove the Conflicts line and reboot, chrony is properly loaded and it runs.
[ I'm reporting this as "important" because I believe it to be the kind
of bug that should be fixed in a point release of Debian 10 ].
[ Cc to Michael Biebl in case he would like to comment on the issue ].
Thanks.
--- End Message ---
--- Begin Message ---
Source: systemd
Source-Version: 245.4-2
Done: Michael Biebl <[email protected]>
We believe that the bug you reported is fixed in the latest version of
systemd, which is due to be installed in the Debian FTP archive.
A summary of the changes between this version and the previous one is
attached.
Thank you for reporting the bug, which will now be closed. If you
have further comments please address them to [email protected],
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Michael Biebl <[email protected]> (supplier of updated systemd package)
(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing [email protected])
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
Format: 1.8
Date: Sat, 04 Apr 2020 08:59:50 +0200
Source: systemd
Binary: libnss-myhostname libnss-myhostname-dbgsym libnss-mymachines
libnss-mymachines-dbgsym libnss-resolve libnss-resolve-dbgsym libnss-systemd
libnss-systemd-dbgsym libpam-systemd libpam-systemd-dbgsym libsystemd-dev
libsystemd0 libsystemd0-dbgsym libudev-dev libudev1 libudev1-dbgsym
libudev1-udeb systemd systemd-container systemd-container-dbgsym
systemd-coredump systemd-coredump-dbgsym systemd-dbgsym systemd-journal-remote
systemd-journal-remote-dbgsym systemd-sysv systemd-tests systemd-tests-dbgsym
systemd-timesyncd systemd-timesyncd-dbgsym udev udev-dbgsym udev-udeb
Architecture: source amd64
Version: 245.4-2
Distribution: unstable
Urgency: medium
Maintainer: Debian systemd Maintainers
<[email protected]>
Changed-By: Michael Biebl <[email protected]>
Description:
libnss-myhostname - nss module providing fallback resolution for the current
hostname
libnss-mymachines - nss module to resolve hostnames for local container
instances
libnss-resolve - nss module to resolve names via systemd-resolved
libnss-systemd - nss module providing dynamic user and group name resolution
libpam-systemd - system and service manager - PAM module
libsystemd-dev - systemd utility library - development files
libsystemd0 - systemd utility library
libudev-dev - libudev development files
libudev1 - libudev shared library
libudev1-udeb - libudev shared library (udeb)
systemd - system and service manager
systemd-container - systemd container/nspawn tools
systemd-coredump - tools for storing and retrieving coredumps
systemd-journal-remote - tools for sending and receiving remote journal logs
systemd-sysv - system and service manager - SysV links
systemd-tests - tests for systemd
systemd-timesyncd - minimalistic service to synchronize local time with NTP
servers
udev - /dev/ and hotplug management daemon
udev-udeb - /dev/ and hotplug management daemon (udeb)
Closes: 805927 947936
Changes:
systemd (245.4-2) unstable; urgency=medium
.
[ Balint Reczey ]
* Ship systemd-timesyncd in a separate package.
The new systemd-timesyncd package conflicting with other NTP-related
packages resolves the problems arising when running systemd-timesyncd
and other NTP servers on the same system.
(LP: #1849156, Closes: #805927, #947936)
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