Public bug reported:
Desktop has started to crash/freeze after screen lock starting from
sometime middle December 2025. After screen locks, sometimes resuming
works ok, sometimes it halts on black screen with no mouse, sometimes
whole session crashes and system returns initial login screen.
ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: xorg 1:7.7+23ubuntu3
ProcVersionSignature: Ubuntu 6.8.0-90.91-generic 6.8.12
Uname: Linux 6.8.0-90-generic x86_64
ApportVersion: 2.28.1-0ubuntu3.8
Architecture: amd64
BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
CasperMD5CheckResult: unknown
CompositorRunning: None
CurrentDesktop: ubuntu:GNOME
Date: Mon Jan 19 19:07:24 2026
DistUpgraded: Fresh install
DistroCodename: noble
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes
GraphicsCard:
Intel Corporation TigerLake-LP GT2 [Iris Xe Graphics] [8086:9a49] (rev 01)
(prog-if 00 [VGA controller])
Subsystem: Lenovo TigerLake-LP GT2 [Iris Xe Graphics] [17aa:22d5]
InstallationDate: Installed on 2022-02-09 (1440 days ago)
InstallationMedia: Ubuntu 20.04.3 LTS "Focal Fossa" - Release amd64 (20210819)
MachineType: LENOVO 20XW0061MX
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-6.8.0-90-generic
root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7
SourcePackage: xorg
Symptom: display
Title: Xorg crash
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 11/19/2025
dmi.bios.release: 1.76
dmi.bios.vendor: LENOVO
dmi.bios.version: N32ETA0W (1.76 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20XW0061MX
dmi.board.vendor: LENOVO
dmi.board.version: SDK0J40697 WIN
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.ec.firmware.release: 1.37
dmi.modalias:
dmi:bvnLENOVO:bvrN32ETA0W(1.76):bd11/19/2025:br1.76:efr1.37:svnLENOVO:pn20XW0061MX:pvrThinkPadX1CarbonGen9:rvnLENOVO:rn20XW0061MX:rvrSDK0J40697WIN:cvnLENOVO:ct10:cvrNone:skuLENOVO_MT_20XW_BU_Think_FM_ThinkPadX1CarbonGen9:
dmi.product.family: ThinkPad X1 Carbon Gen 9
dmi.product.name: 20XW0061MX
dmi.product.sku: LENOVO_MT_20XW_BU_Think_FM_ThinkPad X1 Carbon Gen 9
dmi.product.version: ThinkPad X1 Carbon Gen 9
dmi.sys.vendor: LENOVO
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.122-1~ubuntu0.24.04.2
version.libgl1-mesa-dri: libgl1-mesa-dri 25.0.7-0ubuntu0.24.04.2
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
** Affects: ubuntu
Importance: Undecided
Status: New
** Tags: amd64 apport-bug crash noble ubuntu wayland-session
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https://bugs.launchpad.net/bugs/2138655
Title:
Lock screen wakeup crash/freeze
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