Public bug reported:
After some update my display randomly goes black for just a second and
comes back. It happens randomly and I looked into journalctl and found
this error message.
Jun 22 15:45:25 nikhil-T14 rtkit-daemon[1192]: Supervising 8 threads of 4
processes of 1 users.
Jun 22 15:45:25 nikhil-T14 rtkit-daemon[1192]: Supervising 8 threads of 4
processes of 1 users.
Jun 22 15:45:55 nikhil-T14 systemd[1579]: Started Application launched by
gnome-shell.
Jun 22 15:46:12 nikhil-T14 gnome-shell[1735]:
meta_window_set_stack_position_no_sync: assertion 'window->stack_position >= 0'
failed
Jun 22 15:46:20 nikhil-T14 kernel: [drm:link_enc_cfg_validate [amdgpu]] *ERROR*
link_enc_cfg_validate: Invalid link encoder assignments - 0x1c
ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: xorg 1:7.7+23ubuntu2
ProcVersionSignature: Ubuntu 6.5.0-1024.25-oem 6.5.13
Uname: Linux 6.5.0-1024-oem x86_64
ApportVersion: 2.20.11-0ubuntu82.5
Architecture: amd64
BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
CasperMD5CheckResult: pass
CompositorRunning: None
CurrentDesktop: ubuntu:GNOME
Date: Sat Jun 22 15:50:25 2024
DistUpgraded: Fresh install
DistroCodename: jammy
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes
GraphicsCard:
Advanced Micro Devices, Inc. [AMD/ATI] Device [1002:15bf] (rev dd) (prog-if 00
[VGA controller])
Subsystem: Lenovo Device [17aa:50d9]
InstallationDate: Installed on 2024-05-22 (30 days ago)
InstallationMedia: Ubuntu 22.04.4 LTS "Jammy Jellyfish" - Release amd64
(20240220)
MachineType: LENOVO 21K4CTO1WW
ProcEnviron:
LANGUAGE=en_IN:en
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_IN
SHELL=/usr/bin/zsh
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-6.5.0-1024-oem
root=UUID=d21844b5-a890-4fbf-9467-81c69986a31d ro quiet splash vt.handoff=7
SourcePackage: xorg
Symptom: display
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 02/20/2024
dmi.bios.release: 1.35
dmi.bios.vendor: LENOVO
dmi.bios.version: R2FET55W (1.35 )
dmi.board.asset.tag: Not Available
dmi.board.name: 21K4CTO1WW
dmi.board.vendor: LENOVO
dmi.board.version: Not Defined
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.ec.firmware.release: 1.16
dmi.modalias:
dmi:bvnLENOVO:bvrR2FET55W(1.35):bd02/20/2024:br1.35:efr1.16:svnLENOVO:pn21K4CTO1WW:pvrThinkPadT14Gen4:rvnLENOVO:rn21K4CTO1WW:rvrNotDefined:cvnLENOVO:ct10:cvrNone:skuLENOVO_MT_21K4_BU_Think_FM_ThinkPadT14Gen4:
dmi.product.family: ThinkPad T14 Gen 4
dmi.product.name: 21K4CTO1WW
dmi.product.sku: LENOVO_MT_21K4_BU_Think_FM_ThinkPad T14 Gen 4
dmi.product.version: ThinkPad T14 Gen 4
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 23.2.1-1ubuntu3.1~22.04.2
version.libgl1-mesa-glx: libgl1-mesa-glx N/A
version.xserver-xorg-core: xserver-xorg-core 2:21.1.4-2ubuntu1.7~22.04.10
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
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug jammy ubuntu wayland-session
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https://bugs.launchpad.net/bugs/2070096
Title:
Display goes black for a second at random
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