[Bug 2148306] Re: Idle inhibition persists when updates are pending, preventing screen blanking
Daniel van Vugt
2148306 at bugs.launchpad.net
Mon May 25 02:47:19 UTC 2026
** Changed in: update-manager (Ubuntu)
Status: In Progress => Incomplete
** Changed in: update-manager (Ubuntu)
Assignee: Nathan Teodosio (nteodosio) => (unassigned)
** Changed in: update-manager (Ubuntu)
Status: Incomplete => Invalid
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https://bugs.launchpad.net/bugs/2148306
Title:
Idle inhibition persists when updates are pending, preventing screen
blanking
Status in update-manager package in Ubuntu:
Invalid
Bug description:
This is maybe gnome-shell, maybe gnome-settings-daemon but I could
only list one in the input field earlier.
Ubuntu version: 24.04
Desktop: GNOME
Observed behavior:
When updates are pending (system or browser), the system fails to enter idle state (screen does not blank or suspend after inactivity or overnight).
Expected behavior:
Pending updates should not inhibit screen blanking or suspend. Idle inhibition should only occur during active user-facing tasks.
Impact:
Causes display to remain on for extended unattended periods (e.g., overnight), leading to unnecessary power consumption and potential display wear.
Reproduction notes:
Occurs when:
browser restart required after update (chromium-based, e.g. Google Chrome, Brave)
system restart required
pending package updates
intern at intern:~$ systemd-inhibit --list
WHO UID USER PID COMM WHAT >
ModemManager 0 root 1680 ModemManager sleep >
NetworkManager 0 root 1569 NetworkManager sleep >
UPower 0 root 2486 upowerd sleep >
Unattended Upgrades Shutdown 0 root 1809 unattended-upgr shutdown >
GNOME Shell 1000 intern 3360 gnome-shell sleep >
UpdateManager 1000 intern 43705 update-manager shutdown:sleep >
intern 1000 intern 3498 gsd-power handle-lid-switch >
intern 1000 intern 3494 gsd-media-keys handle-power-key:handle-suspen>
intern 1000 intern 3494 gsd-media-keys sleep >
intern 1000 intern 3498 gsd-power sleep >
intern 1000 intern 3316 gnome-session-b sleep >
11 inhibitors listed.
intern at intern:~$ gdbus call --session \
--dest org.gnome.ScreenSaver \
--object-path /org/gnome/ScreenSaver \
--method org.gnome.ScreenSaver.GetActive
(false,)
intern at intern:~$ gsettings get org.gnome.desktop.session idle-delay
uint32 120
intern at intern:~$ gdbus call --session \
--dest org.gnome.Mutter.IdleMonitor \
--object-path /org/gnome/Mutter/IdleMonitor/Core \
--method org.gnome.Mutter.IdleMonitor.GetIdletime
(uint64 8,)
intern at intern:~$ gdbus call --session \
--dest org.gnome.Mutter.IdleMonitor \
--object-path /org/gnome/Mutter/IdleMonitor/Core \
--method org.gnome.Mutter.IdleMonitor.GetIdletime
(uint64 7,)
intern at intern:~$ gdbus call --session --dest org.gnome.Mutter.IdleMonitor --object-path /org/gnome/Mutter/IdleMonitor/Core --method org.gnome.Mutter.IdleMonitor.GetIdletime
(uint64 8,)
intern at intern:~$
ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: xorg 1:7.7+23ubuntu3
ProcVersionSignature: Ubuntu 6.14.0-37.37~24.04.1-generic 6.14.11
Uname: Linux 6.14.0-37-generic x86_64
ApportVersion: 2.28.1-0ubuntu3.8
Architecture: amd64
BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
CasperMD5CheckResult: pass
CompositorRunning: None
CurrentDesktop: ubuntu:GNOME
Date: Tue Apr 14 08:18:58 2026
DistUpgraded: Fresh install
DistroCodename: noble
DistroVariant: ubuntu
DkmsStatus: virtualbox/7.0.16, 6.14.0-37-generic, x86_64: installed
ExtraDebuggingInterest: Yes
GraphicsCard:
Advanced Micro Devices, Inc. [AMD/ATI] Phoenix1 [1002:15bf] (rev c9) (prog-if 00 [VGA controller])
Subsystem: Emdoor Digital Technology Co., Ltd Phoenix1 [2782:12b3]
InstallationDate: Installed on 2025-02-05 (433 days ago)
InstallationMedia: Ubuntu 24.04.1 LTS "Noble Numbat" - Release amd64 (20240827.1)
MachineType: System76 Pangolin
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-6.14.0-37-generic root=UUID=ae3a10de-ee20-4956-acf7-84ad1414cd63 ro quiet splash vt.handoff=7
SourcePackage: xorg
Symptom: display
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 09/27/2023
dmi.bios.release: 0.1
dmi.bios.vendor: American Megatrends International, LLC.
dmi.bios.version: APX928_V00.01_T0008ASY1_ms
dmi.board.asset.tag: Default string
dmi.board.name: Pangolin
dmi.board.vendor: System76
dmi.board.version: pang14
dmi.chassis.asset.tag: Default string
dmi.chassis.type: 10
dmi.chassis.vendor: System76
dmi.chassis.version: Default string
dmi.ec.firmware.release: 11.13
dmi.modalias: dmi:bvnAmericanMegatrendsInternational,LLC.:bvrAPX928_V00.01_T0008ASY1_ms:bd09/27/2023:br0.1:efr11.13:svnSystem76:pnPangolin:pvrpang14:rvnSystem76:rnPangolin:rvrpang14:cvnSystem76:ct10:cvrDefaultstring:skuAPX928:
dmi.product.family: Phoenix
dmi.product.name: Pangolin
dmi.product.sku: APX928
dmi.product.version: pang14
dmi.sys.vendor: System76
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.125-1ubuntu0.1~24.04.1
version.libgl1-mesa-dri: libgl1-mesa-dri 25.2.8-0ubuntu0.24.04.1
version.libgl1-mesa-glx: libgl1-mesa-glx N/A
version.xserver-xorg-core: xserver-xorg-core 2:21.1.12-1ubuntu1.5
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:22.0.0-1build1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20210115-1build1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.17-2ubuntu0.1
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