Thanks for the bug report. There doesn't seem to be any Nvidia driver
loaded, which is at least one explanation for not being able to control
the monitor.
Please open the 'Additional Drivers' app and use it to install an Nvidia
driver. If you have already done that then see bug 1975650.
** Package changed: xorg (Ubuntu) => ubuntu
** Changed in: ubuntu
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/2081244
Title:
External Monitor backlight does not turn off on blank
Status in Ubuntu:
Incomplete
Bug description:
When my screen blanks from inactivity timeout the backlight stays on,
for multiple hours and does not turn off ever.
Additional Notes:
* "Everything else" appears to be working fine. I can move my mouse, enter
password on lock screen, and resume doing whatever I was doing normally,
nothing else is "stuck"
* This is a dual boot machine, on the Win11 side of things there are no
issues.
* Monitor connected over display port.
* This was also a problem in Ubuntu 22 which was installed before the 24
upgrade.
* This has been consistently happening for a number of months.
* FWIW The monitor in question is a Asus PG32UQR.
Happy to provide any other additional info required or further help
debug.
ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: xorg 1:7.7+23ubuntu3
ProcVersionSignature: Ubuntu 6.5.0-44.44-generic 6.5.13
Uname: Linux 6.5.0-44-generic x86_64
ApportVersion: 2.28.1-0ubuntu3.1
Architecture: amd64
BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
CasperMD5CheckResult: pass
CompositorRunning: None
CurrentDesktop: ubuntu:GNOME
Date: Thu Sep 19 18:45:03 2024
DistUpgraded: Fresh install
DistroCodename: noble
DistroVariant: ubuntu
DkmsStatus: nvidia/550.107.02, 6.5.0-44-generic, x86_64: installed
ExtraDebuggingInterest: Yes
GraphicsCard:
NVIDIA Corporation AD102 [GeForce RTX 4090] [10de:2684] (rev a1) (prog-if 00
[VGA controller])
Subsystem: ASUSTeK Computer Inc. AD102 [GeForce RTX 4090] [1043:88e2]
InstallationDate: Installed on 2024-04-27 (145 days ago)
InstallationMedia: Ubuntu 23.10.1 "Mantic Minotaur" - Release amd64
(20231016.1)
MachineType: ASUS System Product Name
ProcEnviron:
LANG=en_US.UTF-8
PATH=(custom, no user)
SHELL=/usr/bin/fish
TERM=xterm-256color
XDG_RUNTIME_DIR=<set>
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-6.5.0-44-generic
root=UUID=3d5956d7-e387-44fa-8e27-e437aad3feda ro quiet splash vt.handoff=7
SourcePackage: xorg
Symptom: display
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 08/07/2024
dmi.bios.release: 15.3
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 1503
dmi.board.asset.tag: Default string
dmi.board.name: ROG MAXIMUS Z790 DARK HERO
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: Rev 1.xx
dmi.chassis.asset.tag: Default string
dmi.chassis.type: 3
dmi.chassis.vendor: Default string
dmi.chassis.version: Default string
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr1503:bd08/07/2024:br15.3:svnASUS:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnROGMAXIMUSZ790DARKHERO:rvrRev1.xx:cvnDefaultstring:ct3:cvrDefaultstring:skuSKU:
dmi.product.family: To be filled by O.E.M.
dmi.product.name: System Product Name
dmi.product.sku: SKU
dmi.product.version: System Version
dmi.sys.vendor: ASUS
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.120-2build1
version.libgl1-mesa-dri: libgl1-mesa-dri 24.0.9-0ubuntu0.1
version.libgl1-mesa-glx: libgl1-mesa-glx N/A
version.xserver-xorg-core: xserver-xorg-core 2:21.1.12-1ubuntu1
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
1:1.0.17-2build1
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