Screen Keeps Blinking/Flickering after waking up from lock

[Irfan Fauzan]

Screen Keeps Blinking/Flickering after waking up from lock

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: xorg 1:7.7+19ubuntu14
ProcVersionSignature: Ubuntu 5.13.0-27.29~20.04.1-generic 5.13.19
Uname: Linux 5.13.0-27-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.21
Architecture: amd64
BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
CasperMD5CheckResult: skip
CompositorRunning: None
CurrentDesktop: ubuntu:GNOME
Date: Mon Jan 24 10:44:54 2022
DistUpgraded: Fresh install
DistroCodename: focal
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes
GpuHangFrequency: Continuously
GpuHangReproducibility: Yes, I can easily reproduce it
GpuHangStarted: Within the last few days
GraphicsCard:
 Advanced Micro Devices, Inc. [AMD/ATI] Device [1002:164c] (rev c1) (prog-if 00 [VGA controller])
   Subsystem: Lenovo Device [17aa:3f95]
InstallationDate: Installed on 2022-01-11 (12 days ago)
InstallationMedia: Ubuntu 20.04.3 LTS "Focal Fossa" - Release amd64 (20210819)
MachineType: LENOVO 82KT
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.13.0-27-generic root=UUID=7e63c3e2-afff-4841-8da3-9dad122a8352 ro quiet splash vt.handoff=7
SourcePackage: xorg
Symptom: display
Title: Xorg freeze
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/23/2021
dmi.bios.release: 1.40
dmi.bios.vendor: LENOVO
dmi.bios.version: GLCN40WW
dmi.board.asset.tag: No Asset Tag
dmi.board.name: LNVNB161216
dmi.board.vendor: LENOVO
dmi.board.version: SDK0Q55726WIN
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: IdeaPad 3 14ALC6
dmi.ec.firmware.release: 1.40
dmi.modalias: dmi:bvnLENOVO:bvrGLCN40WW:bd07/23/2021:br1.40:efr1.40:svnLENOVO:pn82KT:pvrIdeaPad314ALC6:rvnLENOVO:rnLNVNB161216:rvrSDK0Q55726WIN:cvnLENOVO:ct10:cvrIdeaPad314ALC6:skuLENOVO_MT_82KT_BU_idea_FM_IdeaPad314ALC6:
dmi.product.family: IdeaPad 3 14ALC6
dmi.product.name: 82KT
dmi.product.sku: LENOVO_MT_82KT_BU_idea_FM_IdeaPad 3 14ALC6
dmi.product.version: IdeaPad 3 14ALC6
dmi.sys.vendor: LENOVO
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.105-3~20.04.2
version.libgl1-mesa-dri: libgl1-mesa-dri 21.0.3-0ubuntu0.3~20.04.5
version.libgl1-mesa-glx: libgl1-mesa-glx N/A
version.xserver-xorg-core: xserver-xorg-core 2:1.20.13-1ubuntu1~20.04.2
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20200226-1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.16-1

[Daniel van Vugt (vanvugt)]

Thank you for taking the time to report this bug and helping to make Ubuntu better. This particular bug has already been reported and is a duplicate of bug 1958412, so it is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Feel free to continue to report any other bugs you may find.