Thank you for filing this bug and make Ubuntu better! Can you try this kernel parameter editing your grub:
i915.enable_dc=0 intel_idle.max_cstate=2 and see if this fixes your flickering? -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/2064189 Title: Screen flickers after installing Ubuntu 24.04 Status in linux package in Ubuntu: New Bug description: I've been struggling with some random screen flickering after a fresh install of Ubuntu 24.04. My laptop is running the Mesa Intel(R) HD Graphics 620 (KBL GT2F) integrated graphics. ProblemType: Bug DistroRelease: Ubuntu 24.04 Package: linux-image-6.8.0-31-generic 6.8.0-31.31 ProcVersionSignature: Ubuntu 6.8.0-31.31-generic 6.8.1 Uname: Linux 6.8.0-31-generic x86_64 ApportVersion: 2.28.1-0ubuntu2 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/seq: melk 2393 F.... pipewire /dev/snd/controlC0: melk 2401 F.... wireplumber CRDA: N/A CasperMD5CheckResult: pass CurrentDesktop: ubuntu:GNOME Date: Mon Apr 29 22:22:53 2024 InstallationDate: Installed on 2024-04-29 (1 days ago) InstallationMedia: Ubuntu 24.04 LTS "Noble Numbat" - Release amd64 (20240424) MachineType: Dell Inc. Inspiron 3584 ProcEnviron: LANG=pt_BR.UTF-8 PATH=(custom, no user) SHELL=/bin/bash TERM=xterm-256color XDG_RUNTIME_DIR=<set> ProcFB: 0 i915drmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-6.8.0-31-generic root=UUID=2e0a4d2b-a47f-4fff-8c17-c90f6816b03e ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-6.8.0-31-generic N/A linux-backports-modules-6.8.0-31-generic N/A linux-firmware 20240318.git3b128b60-0ubuntu2 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 09/12/2023 dmi.bios.release: 1.24 dmi.bios.vendor: Dell Inc. dmi.bios.version: 1.24.0 dmi.board.name: 05RCHV dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 10 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvr1.24.0:bd09/12/2023:br1.24:svnDellInc.:pnInspiron3584:pvr:rvnDellInc.:rn05RCHV:rvrA00:cvnDellInc.:ct10:cvr:sku08D1: dmi.product.family: Inspiron dmi.product.name: Inspiron 3584 dmi.product.sku: 08D1 dmi.sys.vendor: Dell Inc. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2064189/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp