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[Bug 2112653] Re: Lenovo Legion 7 Pro with RTX 5090 Laptop showing display corruption when in discrete mode

 

The Nvidia kernel module is not loading and you have many of these messages in dmesg:
"Loading of module with unavailable key is rejected"

That most likely means you didn't properly sign the Nvidia (and possibly
other 3rd party) kernel modules for use with SecureBoot.

Please make sure you sign the modules and have the key  enrolled in your
BIOS/EFI.

** Package changed: xorg (Ubuntu) => nvidia-graphics-drivers-575
(Ubuntu)

** Changed in: nvidia-graphics-drivers-575 (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/2112653

Title:
  Lenovo Legion 7 Pro with RTX 5090 Laptop showing display corruption
  when in discrete mode

Status in nvidia-graphics-drivers-575 package in Ubuntu:
  Incomplete

Bug description:
  On Ubuntu 25.04 with RTX 5090 Laptop, the screen shows corruption,
  nvidia-smi doesn't see any NVIDIA GPUs, and when in hybrid mode, while
  Intel GPU is working, I still can't access NVIDIA GPU.

  Nvidia SMI output:
  NVIDIA-SMI has failed because it couldn't communicate with the NVIDIA driver. Make sure that the latest NVIDIA driver is installed and running.

  lspci | grep NVIDIA output:
  02:00.0 VGA compatible controller: NVIDIA Corporation GB203M / GN22-X11 [GeForce RTX 5090 Max-Q / Mobile] (rev a1)

  Not even worth mentioning that there's no output to the external
  monitor

  ProblemType: Bug
  DistroRelease: Ubuntu 25.04
  Package: xorg 1:7.7+23ubuntu4
  ProcVersionSignature: Ubuntu 6.14.0-15.15-generic 6.14.0
  Uname: Linux 6.14.0-15-generic x86_64
  ApportVersion: 2.32.0-0ubuntu5.1
  Architecture: amd64
  BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
  CasperMD5CheckResult: pass
  CompositorRunning: None
  CurrentDesktop: ubuntu:GNOME
  Date: Fri Jun  6 17:09:00 2025
  DistUpgraded: Fresh install
  DistroCodename: plucky
  DistroVariant: ubuntu
  DkmsStatus: nvidia/575.57.08, 6.14.0-15-generic, x86_64: installed
  ExtraDebuggingInterest: Yes, if not too technical
  GraphicsCard:
   Intel Corporation Arrow Lake-S [Intel Graphics] [8086:7d67] (rev 06) (prog-if 00 [VGA controller])
     Subsystem: Lenovo Device [17aa:8010]
   NVIDIA Corporation GB203M / GN22-X11 [GeForce RTX 5090 Max-Q / Mobile] [10de:2c58] (rev a1) (prog-if 00 [VGA controller])
     Subsystem: Lenovo Device [17aa:8010]
  InstallationDate: Installed on 2025-04-29 (38 days ago)
  InstallationMedia: Ubuntu 25.04 "Plucky Puffin" - Release amd64 (20250415.3)
  MachineType: LENOVO 83F5
  ProcEnviron:
   LANG=en_US.UTF-8
   PATH=(custom, no user)
   SHELL=/bin/bash
   TERM=xterm-256color
   XDG_RUNTIME_DIR=<set>
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-6.14.0-15-generic root=UUID=d7638862-0dea-4760-aebc-40da87bcd5fc ro quiet splash crashkernel=2G-4G:320M,4G-32G:512M,32G-64G:1024M,64G-128G:2048M,128G-:4096M vt.handoff=7
  SourcePackage: xorg
  Symptom: display
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 04/30/2025
  dmi.bios.release: 1.37
  dmi.bios.vendor: LENOVO
  dmi.bios.version: Q7CN37WW
  dmi.board.asset.tag: NO Asset Tag
  dmi.board.name: LNVNB161216
  dmi.board.vendor: LENOVO
  dmi.board.version: SDK0T76528 WIN
  dmi.chassis.asset.tag: NO Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Legion Pro 7 16IAX10H
  dmi.ec.firmware.release: 1.37
  dmi.modalias: dmi:bvnLENOVO:bvrQ7CN37WW:bd04/30/2025:br1.37:efr1.37:svnLENOVO:pn83F5:pvrLegionPro716IAX10H:rvnLENOVO:rnLNVNB161216:rvrSDK0T76528WIN:cvnLENOVO:ct10:cvrLegionPro716IAX10H:skuLENOVO_MT_83F5_BU_idea_FM_LegionPro716IAX10H:
  dmi.product.family: Legion Pro 7 16IAX10H
  dmi.product.name: 83F5
  dmi.product.sku: LENOVO_MT_83F5_BU_idea_FM_Legion Pro 7 16IAX10H
  dmi.product.version: Legion Pro 7 16IAX10H
  dmi.sys.vendor: LENOVO
  version.compiz: compiz N/A
  version.libdrm2: libdrm2 2.4.124-2
  version.libgl1-mesa-dri: libgl1-mesa-dri 25.0.3-1ubuntu2
  version.libgl1-mesa-glx: libgl1-mesa-glx N/A
  version.xserver-xorg-core: xserver-xorg-core 2:21.1.16-1ubuntu1
  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 1:1.0.18-1

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References