Public bug reported:

Ubuntu 24.04 (Noble) + HWE kernel

Hardware: NVIDIA GeForce RTX 3050 6GB (discrete only)

Working state:
- Kernel 7.0.0-30-generic
- nvidia-driver-595-open 595.84
- Both monitors work (HDMI-0 + HDMI-1)
- nvidia-smi works normally

Broken state (after normal update that installs kernel 7.0.0-31-generic):
- NVIDIA modules do not load
- Only "None-1" simple framebuffer appears
- Second monitor has no signal
- nvidia-smi fails with "couldn't communicate with the NVIDIA driver"

Attempting to install the matching modules fails with:

  linux-modules-nvidia-595-open-7.0.0-31-generic 
    Depends: nvidia-kernel-common-595 (>= 595.91.07) 
    but 595.84-0ubuntu0.24.04.1 is to be installed

The reverse also fails: installing the newer nvidia-kernel-common-595 
breaks the installed 595.84 packages (they require <= 595.84-1).

This is a packaging consistency issue: a newer HWE kernel is published 
before a compatible set of linux-modules-nvidia-595-open + 
nvidia-kernel-common-595 packages are available.

Expected: either the matching modules should already be available when 
the kernel is published, or the kernel upgrade should be held until they are.

Workaround: boot previous kernel 7.0.0-30-generic.

ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: nvidia-driver-595-open 595.84-0ubuntu0.24.04.1
ProcVersionSignature: Ubuntu 7.0.0-30.30~24.04.1-generic 7.0.12
Uname: Linux 7.0.0-30-generic x86_64
ApportVersion: 2.28.3-0ubuntu0.1
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Wed Sep 16 16:43:27 2026
InstallationDate: Installed on 2025-06-01 (473 days ago)
InstallationMedia: Ubuntu 24.04.2 LTS "Noble Numbat" - Release amd64 (20250215)
SourcePackage: nvidia-graphics-drivers-595
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: nvidia-graphics-drivers-595 (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug noble third-party-packages

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https://bugs.launchpad.net/bugs/2167531

Title:
  linux-modules-nvidia-595-open missing/conflict for kernel
  7.0.0-31-generic (dual monitor fails)

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