Public bug reported:

The default /etc/chrony/chrony.conf includes:

# Step the system clock instead of slewing it if the adjustment is larger than
# one second, but only in the first three clock updates.
makestep 1 3

This is unexpected as a default for an NTP tool. Having your clock jump
forward or backwards when the service starts/restarts is not ideal in
any situation where you want a monotonic and predictable clock. I
suggest the default should be to have this line commented out.

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: chrony 3.2-4ubuntu4.1
ProcVersionSignature: Ubuntu 4.15.0-22.24-generic 4.15.17
Uname: Linux 4.15.0-22-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.2
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Thu Jun 21 23:06:03 2018
InstallationDate: Installed on 2018-05-31 (21 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
SourcePackage: chrony
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: chrony (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug bionic

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https://bugs.launchpad.net/bugs/1778141

Title:
  chrony will by default step the clock instead of drifting it

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