Screen flickers sometimes and all applications closed on return from lock screen/sleep more

[Alexander Dietrich]

Recent Upgrade to 23.10.
New hardware, Lenovo T14 G4 AMD Ryzen 7 PRO 7840U w/ Radeon 780M Graphics

ProblemType: Bug
DistroRelease: Ubuntu 23.10
Package: xorg 1:7.7+23ubuntu2
ProcVersionSignature: Ubuntu 6.5.0-9.9-generic 6.5.3
Uname: Linux 6.5.0-9-generic x86_64
ApportVersion: 2.27.0-0ubuntu5
Architecture: amd64
BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
CasperMD5CheckResult: pass
CompositorRunning: None
CurrentDesktop: ubuntu:GNOME
Date: Mon Oct 16 15:36:51 2023
DistUpgraded: 2023-10-15 14:21:56,603 DEBUG Running PostInstallScript: '/usr/lib/ubuntu-advantage/upgrade_lts_contract.py'
DistroCodename: mantic
DistroVariant: ubuntu
GraphicsCard:
 Advanced Micro Devices, Inc. [AMD/ATI] Phoenix1 [1002:15bf] (rev dd) (prog-if 00 [VGA controller])
   Subsystem: Lenovo Phoenix [17aa:50d9]
InstallationDate: Installed on 2023-10-04 (12 days ago)
InstallationMedia: Ubuntu 23.04 "Lunar Lobster" - Release amd64 (20230418)
MachineType: {report['dmi.sys.vendor']} {report['dmi.product.name']}
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-6.5.0-9-generic root=/dev/mapper/ubuntu--vg-ubuntu--lv ro quiet splash vt.handoff=7
SourcePackage: xorg
Symptom: display
UpgradeStatus: Upgraded to mantic on 2023-10-15 (1 days ago)
dmi.bios.date: 08/03/2023
dmi.bios.release: 1.11
dmi.bios.vendor: LENOVO
dmi.bios.version: R2FET31W (1.11 )
dmi.board.asset.tag: Not Available
dmi.board.name: 21K4S02000
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: 1.9
dmi.modalias: dmi:bvnLENOVO:bvrR2FET31W(1.11):bd08/03/2023:br1.11:efr1.9:svnLENOVO:pn21K4S02000:pvrThinkPadT14Gen4:rvnLENOVO:rn21K4S02000:rvrNotDefined:cvnLENOVO:ct10:cvrNone:skuLENOVO_MT_21K4_BU_Think_FM_ThinkPadT14Gen4:
dmi.product.family: ThinkPad T14 Gen 4
dmi.product.name: 21K4S02000
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 2.4.115-1
version.libgl1-mesa-dri: libgl1-mesa-dri 23.2.1-1ubuntu3
version.libgl1-mesa-glx: libgl1-mesa-glx N/A
version.xserver-xorg-core: xserver-xorg-core 2:21.1.7-3ubuntu2
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-3
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

[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 2034619, 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.