Dear Daniel van Vugt, Thank you for your quick response. I have followed your instructions and added the i915.enable_psr=0 parameter to my GRUB configuration. I can confirm that it worked perfectly and the display is now stable.
I truly appreciate your help, your speed in responding, and your commitment to the Linux community. Best regards, Raúl Salas Sahuquillo El mar, 9 jun 2026 a las 7:30, Daniel van Vugt (<[email protected]>) escribió: > Thanks for the bug report. Please try adding this kernel boot parameter: > i915.enable_psr=0 > > You can do that by editing /etc/default/grub and changing: > > GRUB_CMDLINE_LINUX="" > > to: > > GRUB_CMDLINE_LINUX="i915.enable_psr=0" > > Then save the file, run: > > sudo update-grub > > and reboot. > > > > > ** Package changed: xorg (Ubuntu) => ubuntu > > ** Changed in: ubuntu > Status: New => Incomplete > > ** Tags added: i915 > > ** Package changed: ubuntu => linux-hwe-6.17 (Ubuntu) > > -- > You received this bug notification because you are subscribed to the bug > report. > https://bugs.launchpad.net/bugs/2155840 > > Title: > Internal display flashes on and off every 2 seconds immediately after > user login > > Status in linux-hwe-6.17 package in Ubuntu: > Incomplete > > Bug description: > ### Expected Behavior > After entering credentials at the login screen, the desktop environment > should load normally, and the laptop's internal display should remain > stable and fully functional. It happens in both Xorg and Wayland > > ### Actual Behavior > Immediately after logging in and initializing the user session, the > built-in laptop screen enters a rhythmic loop, turning completely off and > back on every 2 seconds. > > ### Steps to Reproduce > 1. Boot the laptop and wait for the Ubuntu login screen. > 2. Select the user and enter the password to log in. > 3. Once the desktop session starts loading, the internal display begins > to flash/blink on and off every 2 seconds. > > ### Hardware & Environment > - Laptop: MSI Prestige 16Studio A13VF > - OS: Ubuntu 24.04 LTS > > ProblemType: Bug > DistroRelease: Ubuntu 24.04 > Package: xorg 1:7.7+23ubuntu3 > ProcVersionSignature: Ubuntu 6.17.0-35.35~24.04.1-generic 6.17.13 > Uname: Linux 6.17.0-35-generic x86_64 > NonfreeKernelModules: nvidia_modeset nvidia > .proc.driver.nvidia.capabilities.fabric-imex-mgmt: > DeviceFileMinor: 4323 > DeviceFileMode: 256 > DeviceFileModify: 1 > .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 595.71.05 Fri Apr 24 > 06:36:12 UTC 2026 > GCC version: gcc version 13.3.0 (Ubuntu 13.3.0-6ubuntu2~24.04.1) > ApportVersion: 2.28.1-0ubuntu3.8 > Architecture: amd64 > BootLog: Error: [Errno 13] Permiso denegado: '/var/log/boot.log' > CasperMD5CheckResult: pass > CompositorRunning: None > CurrentDesktop: ubuntu:GNOME > Date: Mon Jun 8 10:28:53 2026 > DistUpgraded: Fresh install > DistroCodename: noble > DistroVariant: ubuntu > DkmsStatus: > nvidia/595.71.05, 6.17.0-29-generic, x86_64: installed > nvidia/595.71.05, 6.17.0-35-generic, x86_64: installed > ExtraDebuggingInterest: Yes, if not too technical > GraphicsCard: > Intel Corporation Raptor Lake-P [Iris Xe Graphics] [8086:a7a0] (rev 04) > (prog-if 00 [VGA controller]) > Subsystem: Micro-Star International Co., Ltd. [MSI] Raptor Lake-P > [Iris Xe Graphics] [1462:13c3] > NVIDIA Corporation AD107M [GeForce RTX 4060 Max-Q / Mobile] [10de:28a0] > (rev a1) (prog-if 00 [VGA controller]) > Subsystem: Micro-Star International Co., Ltd. [MSI] AD107M [GeForce > RTX 4060 Max-Q / Mobile] [1462:13c3] > InstallationDate: Installed on 2026-02-15 (113 days ago) > InstallationMedia: Ubuntu 24.04.4 LTS "Noble Numbat" - Release amd64 > (20260210) > MachineType: Micro-Star International Co., Ltd. Prestige 16Studio A13VF > ProcEnviron: > LANG=es_ES.UTF-8 > PATH=(custom, no user) > SHELL=/usr/bin/zsh > TERM=xterm-256color > XDG_RUNTIME_DIR=<set> > ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-6.17.0-35-generic > root=UUID=051b7d82-8d9a-4bc7-8209-a06244f4513f ro quiet splash vt.handoff=7 > SourcePackage: xorg > Symptom: display > UpgradeStatus: No upgrade log present (probably fresh install) > dmi.bios.date: 10/07/2024 > dmi.bios.release: 1.21 > dmi.bios.vendor: American Megatrends International, LLC. > dmi.bios.version: E1594IMS.115 > dmi.board.asset.tag: Default string > dmi.board.name: MS-1594 > dmi.board.vendor: Micro-Star International Co., Ltd. > dmi.board.version: REV:1.0 > dmi.chassis.asset.tag: No Asset Tag > dmi.chassis.type: 10 > dmi.chassis.vendor: Micro-Star International Co., Ltd. > dmi.chassis.version: N/A > dmi.modalias: > dmi:bvnAmericanMegatrendsInternational,LLC.:bvrE1594IMS.115:bd10/07/2024:br1.21:svnMicro-StarInternationalCo.,Ltd.:pnPrestige16StudioA13VF:pvrREV1.0:rvnMicro-StarInternationalCo.,Ltd.:rnMS-1594:rvrREV1.0:cvnMicro-StarInternationalCo.,Ltd.:ct10:cvrN/A:sku1594.1: > dmi.product.family: Prestige > dmi.product.name: Prestige 16Studio A13VF > dmi.product.sku: 1594.1 > dmi.product.version: REV:1.0 > dmi.sys.vendor: Micro-Star International Co., Ltd. > version.compiz: compiz N/A > version.libdrm2: libdrm2 2.4.125-1ubuntu0.1~24.04.1 > version.libgl1-mesa-dri: libgl1-mesa-dri 25.2.8-0ubuntu0.24.04.1 > version.libgl1-mesa-glx: libgl1-mesa-glx N/A > version.nvidia-graphics-drivers: nvidia-graphics-drivers-* N/A > version.xserver-xorg-core: xserver-xorg-core 2:21.1.12-1ubuntu1.5 > version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A > version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:22.0.0-1build1 > version.xserver-xorg-video-intel: xserver-xorg-video-intel > 2:2.99.917+git20210115-1build1 > version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau > 1:1.0.17-2ubuntu0.1 > > To manage notifications about this bug go to: > > https://bugs.launchpad.net/ubuntu/+source/linux-hwe-6.17/+bug/2155840/+subscriptions > > -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2155840 Title: Internal display flashes on and off every 2 seconds immediately after user login To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-hwe-6.17/+bug/2155840/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
