Adding 'i915.enable_psr=0' to kernel boot option solves the flickering problem.
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-oem-5.17 in Ubuntu. https://bugs.launchpad.net/bugs/1987987 Title: thinkbook 14 Gen4+. screen flickering when logging in. Status in linux-oem-5.17 package in Ubuntu: Invalid Status in linux-oem-5.17 source package in Jammy: New Bug description: linux-headers-5.17.0-1015-oem linux-image-5.17.0-1015-oem linux-modules-5.17.0-1015-oem linux-oem-22.04 After I `apt install linux-oem-22.04`, it seems that my kernel has been updated to 5.17.0 version. After reboot, I get screen flickering when I move my mouse. But when I use 5.15.0-46-generic version linux kernel to boot, no problems occur. So, is there any problem with the kernel 5.17.0 in my new laptop thinkbook 14 Gen4+? information about my laptop uname -a Linux lqw-ThinkBook-14-G4-IAP 5.15.0-46-generic #49-Ubuntu SMP Thu Aug 4 18:03:25 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux lsb_release -rd Description: Ubuntu 22.04.1 LTS Release: 22.04 apt-cache policy linux-modules-5.17.0-1015-oem linux-modules-5.17.0-1015-oem: 已安装：(无) 候选： 5.17.0-1015.16 版本列表： 5.17.0-1015.16 500 500 https://mirrors.ustc.edu.cn/ubuntu jammy-security/main amd64 Packages 500 https://mirrors.ustc.edu.cn/ubuntu jammy-updates/main amd64 Packages apt-cache policy linux-oem-5.17-headers-5.17.0-1015 linux-oem-5.17-headers-5.17.0-1015: 已安装：(无) 候选： 5.17.0-1015.16 版本列表： 5.17.0-1015.16 500 500 https://mirrors.ustc.edu.cn/ubuntu jammy-security/main amd64 Packages 500 https://mirrors.ustc.edu.cn/ubuntu jammy-security/main i386 Packages 500 https://mirrors.ustc.edu.cn/ubuntu jammy-updates/main amd64 Packages 500 https://mirrors.ustc.edu.cn/ubuntu jammy-updates/main i386 Packages expected to happen: no screen flickering when logging and moving mouse. What happended instead: screen flickering when logging and moving mouse. ProblemType: Bug DistroRelease: Ubuntu 22.04 Package: linux-headers-5.17.0-1015-oem (not installed) ProcVersionSignature: Ubuntu 5.15.0-46.49-generic 5.15.39 Uname: Linux 5.15.0-46-generic x86_64 ApportVersion: 2.20.11-0ubuntu82.1 Architecture: amd64 CasperMD5CheckResult: pass CurrentDesktop: ubuntu:GNOME Date: Mon Aug 29 00:26:02 2022 InstallationDate: Installed on 2022-08-28 (0 days ago) InstallationMedia: Ubuntu 22.04.1 LTS "Jammy Jellyfish" - Release amd64 (20220809.1) RebootRequiredPkgs: Error: path contained symlinks. SourcePackage: linux-oem-5.17 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-oem-5.17/+bug/1987987/+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
