Public bug reported: Since I've switched my laptop to use only discrete GPU (using BIOS switch), I've been experiencing screen flickering and weird behaviour in some apps, like text being typed slowly, title bars not appearing and even content being shown blank. I've tried changing refresh rate back to 60Hz, installing older drivers (515), installing driver from NVIDIA website, enrolling the driver key into SecureBoot DB. Upgrading to Ubuntu 23.04 didn't help either. There is no AMDGPU driver installed
ProblemType: Bug DistroRelease: Ubuntu 23.04 Package: xorg 1:7.7+23ubuntu2 ProcVersionSignature: Ubuntu 6.2.0-20.20-generic 6.2.6 Uname: Linux 6.2.0-20-generic x86_64 NonfreeKernelModules: nvidia_modeset nvidia .proc.driver.nvidia.capabilities.gpu0: Error: path was not a regular file. .proc.driver.nvidia.capabilities.mig: Error: path was not a regular file. .proc.driver.nvidia.gpus.0000.01.00.0: Error: path was not a regular file. .proc.driver.nvidia.registry: Binary: "" .proc.driver.nvidia.suspend: suspend hibernate resume .proc.driver.nvidia.suspend_depth: default modeset uvm .proc.driver.nvidia.version: NVRM version: NVIDIA UNIX x86_64 Kernel Module 525.105.17 Tue Mar 28 18:02:59 UTC 2023 GCC version: gcc version 12.2.0 (Ubuntu 12.2.0-17ubuntu1) ApportVersion: 2.26.1-0ubuntu2 Architecture: amd64 BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log' CasperMD5CheckResult: pass CompositorRunning: None CurrentDesktop: ubuntu:GNOME Date: Mon Apr 24 10:49:01 2023 DistUpgraded: 2023-04-20 10:00:59,509 DEBUG Running PostInstallScript: '/usr/lib/ubuntu-advantage/upgrade_lts_contract.py' DistroCodename: lunar DistroVariant: ubuntu DkmsStatus: nvidia/525.105.17, 6.2.0-20-generic, x86_64: installed ExtraDebuggingInterest: Yes GraphicsCard: NVIDIA Corporation GA104M [GeForce RTX 3080 Mobile / Max-Q 8GB/16GB] [10de:24dc] (rev a1) (prog-if 00 [VGA controller]) Subsystem: Lenovo GA104M [GeForce RTX 3080 Mobile / Max-Q 8GB/16GB] [17aa:3a58] InstallationDate: Installed on 2023-02-09 (73 days ago) InstallationMedia: Ubuntu 22.10 "Kinetic Kudu" - Release amd64 (20221020) MachineType: LENOVO 82N6 ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-6.2.0-20-generic root=UUID=2a43fd27-b65c-4d7a-bc19-b001521b0771 ro quiet splash vt.handoff=7 SourcePackage: xorg Symptom: display UpgradeStatus: Upgraded to lunar on 2023-04-20 (4 days ago) dmi.bios.date: 03/07/2023 dmi.bios.release: 1.60 dmi.bios.vendor: LENOVO dmi.bios.version: GKCN60WW dmi.board.asset.tag: NO Asset Tag dmi.board.name: LNVNB161216 dmi.board.vendor: LENOVO dmi.board.version: SDK0T76461 WIN dmi.chassis.asset.tag: NO Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: Legion 7 16ACHg6 dmi.ec.firmware.release: 1.60 dmi.modalias: dmi:bvnLENOVO:bvrGKCN60WW:bd03/07/2023:br1.60:efr1.60:svnLENOVO:pn82N6:pvrLegion716ACHg6:rvnLENOVO:rnLNVNB161216:rvrSDK0T76461WIN:cvnLENOVO:ct10:cvrLegion716ACHg6:skuLENOVO_MT_82N6_BU_idea_FM_Legion716ACHg6: dmi.product.family: Legion 7 16ACHg6 dmi.product.name: 82N6 dmi.product.sku: LENOVO_MT_82N6_BU_idea_FM_Legion 7 16ACHg6 dmi.product.version: Legion 7 16ACHg6 dmi.sys.vendor: LENOVO version.compiz: compiz N/A version.libdrm2: libdrm2 2.4.114-1 version.libgl1-mesa-dri: libgl1-mesa-dri 23.0.2-1ubuntu1 version.libgl1-mesa-glx: libgl1-mesa-glx 23.0.2-1ubuntu1 version.nvidia-graphics-drivers: nvidia-graphics-drivers-* N/A version.xserver-xorg-core: xserver-xorg-core 2:21.1.7-1ubuntu3 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 ** Affects: nvidia-graphics-drivers-525 (Ubuntu) Importance: Undecided Status: New ** Affects: xorg (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug corruption lunar possible-manual-nvidia-install ubuntu wayland-session ** Attachment added: "Screen capture of flickering / blank title bars" https://bugs.launchpad.net/bugs/2017497/+attachment/5667840/+files/Screencast%20from%202023-04-24%2010-50-29.webm ** Also affects: nvidia-graphics-drivers-525 (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/2017497 Title: Screen flickering and weird behaviour with NVIDIA dGPU To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-525/+bug/2017497/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp