Those messages are bug 1857392, but it's a harmless symptom of other
more important issues. Generally it means ubuntu-dock (or dash-to-dock)
has restarted. This happens every time the screen is unlocked, but if it
happens more regularly then it can mean the system is receiving monitor
hotplugging events. This can happen with a badly connected monitor or
low quality display cable. I would not call yours a flooded log though,
since the issue is minutes apart it's more likely just the lock screen
triggering bug 1857392. So not related to this bug.
Next: What apps are always running? Do you have any indicators in the
top bar?
** Changed in: gnome-shell (Ubuntu)
Status: New => Incomplete
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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to gnome-shell in Ubuntu.
https://bugs.launchpad.net/bugs/2106293
Title:
Gnome Shell eats 100% of the CPU on 22.04
Status in gnome-shell package in Ubuntu:
Incomplete
Bug description:
Gnome shell eats 100% of the CPU
this starts to happen after some days of the laptop up & running
ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: xorg 1:7.7+23ubuntu2
ProcVersionSignature: Ubuntu 5.15.0-134.145-generic 5.15.173
Uname: Linux 5.15.0-134-generic x86_64
ApportVersion: 2.20.11-0ubuntu82.6
Architecture: amd64
BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
CasperMD5CheckResult: unknown
CompositorRunning: None
CurrentDesktop: ubuntu:GNOME
Date: Sat Apr 5 13:16:43 2025
DistUpgraded: Fresh install
DistroCodename: jammy
DistroVariant: ubuntu
DpkgLog:
ExtraDebuggingInterest: Yes
GraphicsCard:
Intel Corporation HD Graphics 530 [8086:191b] (rev 06) (prog-if 00 [VGA
controller])
Subsystem: Lenovo HD Graphics 530 [17aa:5050]
Subsystem: Lenovo GM108M [GeForce 940MX] [17aa:5050]
InstallationDate: Installed on 2020-02-04 (1887 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
MachineType: LENOVO 20FWS0A600
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.15.0-134-generic
root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7
SourcePackage: xorg
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 11/25/2022
dmi.bios.release: 2.37
dmi.bios.vendor: LENOVO
dmi.bios.version: R07ET97W (2.37 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20FWS0A600
dmi.board.vendor: LENOVO
dmi.board.version: Not Defined
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.ec.firmware.release: 1.4
dmi.modalias:
dmi:bvnLENOVO:bvrR07ET97W(2.37):bd11/25/2022:br2.37:efr1.4:svnLENOVO:pn20FWS0A600:pvrThinkPadT460p:rvnLENOVO:rn20FWS0A600:rvrNotDefined:cvnLENOVO:ct10:cvrNone:skuLENOVO_MT_20FW_BU_Think_FM_ThinkPadT460p:
dmi.product.family: ThinkPad T460p
dmi.product.name: 20FWS0A600
dmi.product.sku: LENOVO_MT_20FW_BU_Think_FM_ThinkPad T460p
dmi.product.version: ThinkPad T460p
dmi.sys.vendor: LENOVO
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.113-2~ubuntu0.22.04.1
version.libgl1-mesa-dri: libgl1-mesa-dri 23.2.1-1ubuntu3.1~22.04.3
version.libgl1-mesa-glx: libgl1-mesa-glx 23.0.4-0ubuntu1~22.04.1
version.xserver-xorg-core: xserver-xorg-core 2:21.1.4-2ubuntu1.7~22.04.13
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-2ubuntu1
version.xserver-xorg-video-intel: xserver-xorg-video-intel
2:2.99.917+git20210115-1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau
1:1.0.17-2build1
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