Public bug reported:

The problem occurs with 6.8.0-40 kernel version. With version 6.5.0-44
problem does not occur.

Every some - unspecified - time system system turns off the monitor.
This is not due to user inactivity. It happens that the monitor is
turned off and on several times within a few seconds.

The problem occurs both when connecting the monitor via usb-c and hdmi.

ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: linux-image-6.8.0-40-generic 6.8.0-40.40~22.04.3
ProcVersionSignature: Ubuntu 6.8.0-40.40~22.04.3-generic 6.8.12
Uname: Linux 6.8.0-40-generic x86_64
ApportVersion: 2.20.11-0ubuntu82.6
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: ubuntu:GNOME
Date: Fri Sep 13 12:33:19 2024
InstallationDate: Installed on 2021-03-02 (1290 days ago)
InstallationMedia: Ubuntu 20.04.2.0 LTS "Focal Fossa" - Release amd64 
(20210209.1)
SourcePackage: linux-signed-hwe-6.8
UpgradeStatus: Upgraded to jammy on 2022-08-12 (762 days ago)

** Affects: linux-signed-hwe-6.8 (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug jammy

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https://bugs.launchpad.net/bugs/2080625

Title:
  monitor turns off from time to time

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