[Bug 2091657] Autopkgtest regression report (systemd/255.4-1ubuntu8.6)

[Ubuntu SRU Bot]

All autopkgtests for the newly accepted systemd (255.4-1ubuntu8.6) for noble have finished running.
The following regressions have been reported in tests triggered by the package:

ayatana-indicator-session/24.2.0-1build2 (arm64, ppc64el, s390x)
ceph/19.2.0-0ubuntu0.24.04.2 (ppc64el)
certspotter/unknown (armhf)
clamav/unknown (armhf)
clevis/unknown (armhf)
collectd/5.12.0-17.1build2 (s390x)
cron/3.0pl1-184ubuntu2 (ppc64el)
csync2/unknown (armhf)
cups/unknown (armhf)
dbus/unknown (armhf)
dbus-broker/35-2 (s390x)
debci/unknown (armhf)
dovecot/1:2.3.21+dfsg1-2ubuntu6 (s390x)
dpdk/23.11.2-0ubuntu0.24.04.1 (amd64, ppc64el)
exim4/4.97-4ubuntu4.2 (ppc64el)
freedom-maker/unknown (armhf)
gpsd/unknown (armhf)
haproxy/unknown (armhf)
hddemux/unknown (armhf)
hwloc/unknown (armhf)
kodi/2:20.5+dfsg-1ubuntu1 (ppc64el)
liblinux-systemd-perl/unknown (armhf)
libqb/unknown (armhf)
libvirt/unknown (armhf)
libvirt-dbus/unknown (armhf)
lighttpd/unknown (armhf)
linux-azure-6.11/6.11.0-1008.8~24.04.1 (amd64, arm64)
linux-gcp-6.11/6.11.0-1006.6~24.04.2 (arm64)
linux-gke/6.8.0-1019.23 (amd64)
linux-hwe-6.11/6.11.0-21.21~24.04.1 (amd64, arm64)
linux-hwe-6.11/unknown (armhf)
linux-lowlatency/6.8.0-56.58.1 (amd64)
linux-lowlatency-hwe-6.11/6.11.0-1010.11~24.04.1 (arm64)
linux-nvidia/6.8.0-1024.27 (arm64)
linux-nvidia-lowlatency/6.8.0-1024.27.1 (arm64)
linux-oem-6.8/6.8.0-1022.22 (amd64)
logiops/unknown (armhf)
logrotate/unknown (armhf)
mandos/unknown (armhf)
mariadb/1:10.11.8-0ubuntu0.24.04.1 (armhf)
mediawiki/1:1.39.7-1 (ppc64el)
mosquitto/2.0.18-1build3 (amd64, arm64, armhf, ppc64el, s390x)
mpd/unknown (armhf)
munin/unknown (armhf)
mutter/unknown (armhf)
netplan.io/1.1.1-1~ubuntu24.04.1 (arm64)
open-build-service/unknown (armhf)
openbsd-inetd/unknown (armhf)
openssh/1:9.6p1-3ubuntu13.8 (ppc64el)
pipewire/unknown (armhf)
policykit-1/unknown (armhf)
polkit-qt-1/unknown (armhf)
postgresql-16/unknown (armhf)
procps/unknown (armhf)
prometheus-homeplug-exporter/unknown (armhf)
prometheus-ipmi-exporter/1.8.0-1ubuntu0.24.04.2 (ppc64el)
prometheus-postfix-exporter/unknown (armhf)
prometheus-postgres-exporter/unknown (armhf)
prometheus-squid-exporter/unknown (armhf)
pulseaudio/unknown (armhf)
pystemd/unknown (armhf)
rsyslog/8.2312.0-3ubuntu9 (s390x)
rust-whoami/unknown (armhf)
rust-zram-generator/unknown (armhf)
sbws/unknown (armhf)
seatd/unknown (armhf)
shibboleth-sp/unknown (armhf)
swupdate/unknown (armhf)
systemd-cron/unknown (armhf)
systemd-hwe/unknown (armhf)
tinyssh/unknown (armhf)
tmux/unknown (armhf)
usbauth/unknown (armhf)
yder/unknown (armhf)


Please visit the excuses page listed below and investigate the failures, proceeding afterwards as per the StableReleaseUpdates policy regarding autopkgtest regressions [1].

https://people.canonical.com/~ubuntu-archive/proposed-
migration/noble/update_excuses.html#systemd

[1] https://wiki.ubuntu.com/StableReleaseUpdates#Autopkgtest_Regressions

Thank you!

-- 
You received this bug notification because you are a member of Ubuntu
Foundations Bugs, which is subscribed to systemd in Ubuntu.
https://bugs.launchpad.net/bugs/2091657

Title:
  systemd-localed requires read-only-etc hacks for /etc/vconsole.conf
  and /etc/locale.conf

Status in systemd package in Ubuntu:
  Invalid
Status in systemd source package in Noble:
  Fix Committed

Bug description:
  [Impact]

  Ubuntu Core has a read-only /etc, but a writable partition in
  /etc/writable. In some versions of Ubuntu, the systemd package ships a
  patch to follow symlinks from /etc/ -> /etc/writable, e.g. for files
  like /etc/locale.conf.

  In Core24, this patch needs to be expanded for /etc/locale.conf and
  /etc/vconsole.conf in systemd-localed.

  [Test Plan]

  1. On a pristine Ubuntu Core system, run "localectl status". Verify
  that the system locale is set to the default (seems to be "C.UTF-8"
  based on the current core24 snap).

  2. Modify the system locale by running "localectl set-locale
  LANG=en_AU.UTF-8". The command should complete without error.

  3. Check that the locale has changed by running "localectl status".

  4. Check that the locale has been saved to /etc/locale.conf

  5. Reboot the system, and run "localectl status" again to check that
  the change has persisted.

  [Where problems could occur]

  This hack is designed to be a no-op in non-Ubuntu Core cases. I.e.,
  when /etc/writable does not exist or does not have a link for the
  given path in etc, the original path is used.

  As is evident by the ever-expanding nature of this patch, this is not
  a complete solution. It's possible that more cases will be found where
  this hack needs to be applied.

  [Other information]

  This patch is not carried in supported releases newer than Noble.
  While this patch is far from ideal, expanding this hack has become the
  go-to for existing stable releases.

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