Public bug reported:
When a shutdown or reboot is scheduled, the confirmation message shows a
date in 1969 instead of the actual scheduled time.
Steps to reproduce:
$ shutdown 0 -r
Reboot scheduled for Wed 1969-12-31 23:11:06 PST, use 'shutdown -c' to cancel.
$ shutdown -c
$ shutdown 0
Shutdown scheduled for Wed 1969-12-31 23:11:18 PST, use 'shutdown -c' to cancel.
Expected: the scheduled time printed as the current wall-clock time
(here, Thu 2026-10-29 23:48 PDT).
Actual: the printed time looks like CLOCK_MONOTONIC formatted as a
calendar date. Reading CLOCK_MONOTONIC moments later and formatting it
with localtime() gave "1969-12-31 23:11:42 PST", and the two messages
above advance by the same 12 seconds that elapsed between the commands.
The system clock itself is correct (timedatectl shows the right local
and UTC time).
Release: Ubuntu 26.04
Package: systemd 259.9-0ubuntu0.1 (shutdown is /usr/bin/systemctl)
ProblemType: Bug
DistroRelease: Ubuntu 26.04
Package: systemd 259.9-0ubuntu0.1
ProcVersionSignature: Ubuntu 7.0.0-42.42-generic 7.0.14
Uname: Linux 7.0.0-42-generic x86_64
ApportVersion: 2.34.1-0ubuntu0.1
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Thu Oct 29 23:51:45 2026
InstallationDate: Installed on 2025-04-12 (566 days ago)
InstallationMedia: Ubuntu 24.04.1 LTS "Noble Numbat" - Release amd64
(20240827.1)
Lsusb:
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 046d:0825 Logitech, Inc. Webcam C270
Bus 001 Device 003: ID 258a:002a SINO WEALTH Gaming KB
Bus 001 Device 004: ID 062a:4102 MosArt Semiconductor Corp. Wireless Mouse
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
MachineType: To Be Filled By O.E.M. To Be Filled By O.E.M.
ProcEnviron:
LANG=en_US.UTF-8
PATH=(custom, no user)
SHELL=/bin/bash
TERM=xterm-256color
XDG_RUNTIME_DIR=<set>
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-7.0.0-42-generic
root=UUID=55ba40ca-aec1-4a02-be08-844536742b42 ro quiet splash
crashkernel=2G-4G:320M,4G-32G:512M,32G-64G:1024M,64G-128G:2048M,128G-:4096M
SourcePackage: systemd
UpgradeStatus: Upgraded to resolute on 2026-10-29 (0 days ago)
dmi.bios.date: 01/23/2018
dmi.bios.release: 5.11
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: P7.30
dmi.board.name: Z170 Gaming K4
dmi.board.vendor: ASRock
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: To Be Filled By O.E.M.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrP7.30:bd01/23/2018:br5.11:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnASRock:rnZ170GamingK4:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:skuToBeFilledByO.E.M.:pfaToBeFilledByO.E.M.:
dmi.product.family: To Be Filled By O.E.M.
dmi.product.name: To Be Filled By O.E.M.
dmi.product.sku: To Be Filled By O.E.M.
dmi.product.version: To Be Filled By O.E.M.
dmi.sys.vendor: To Be Filled By O.E.M.
** Affects: systemd (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug resolute wayland-session
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https://bugs.launchpad.net/bugs/2172574
Title:
shutdown prints scheduled time as 1969-12-31 (monotonic clock shown as
a calendar date)
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