*** This bug is a duplicate of bug 2003237 ***
https://bugs.launchpad.net/bugs/2003237
OK, confirmed to be the same as bug 2003237.
** This bug has been marked a duplicate of bug 2003237
Backlight stays on with black screen when monitor should be sleeping
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Packages, which is subscribed to mutter in Ubuntu.
https://bugs.launchpad.net/bugs/2007268
Title:
Backlight does not turn off during screen blanking
Status in mutter package in Ubuntu:
Incomplete
Bug description:
In the 2022/2023 energy crisis era, this shall not happen. But... I
haven't found solution other than "switch to X", which is not an
options with my scaling settings for both 4K screens I'm using.
On idle when the system blanks screen backlight remains on, wasting
energy and burning LEDs in my screens. Please provide solution that
would let Gnome set DPMS properly and actually send screens to proper
sleep when OS goes idle (enables screen saver).
ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: libwayland-bin 1.20.0-1ubuntu0.1
ProcVersionSignature: Ubuntu 5.15.0-58.64-generic 5.15.74
Uname: Linux 5.15.0-58-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.11-0ubuntu82.3
Architecture: amd64
BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
CasperMD5CheckResult: pass
CompositorRunning: None
CurrentDesktop: ubuntu:GNOME
Date: Tue Feb 14 11:59:59 2023
DistUpgraded: Fresh install
DistroCodename: jammy
DistroVariant: ubuntu
DkmsStatus:
v4l2loopback/0.12.5, 5.15.0-58-generic, x86_64: installed
v4l2loopback/0.12.5, 5.15.0-60-generic, x86_64: installed
GraphicsCard: Advanced Micro Devices, Inc. [AMD/ATI] Rembrandt [1002:1681]
(rev d1) (prog-if 00 [VGA controller])
InstallationDate: Installed on 2023-01-04 (40 days ago)
InstallationMedia: Ubuntu 22.04.1 LTS "Jammy Jellyfish" - Release amd64
(20220809.1)
MachineType: LENOVO 21CKCTO1WW
ProcKernelCmdLine: BOOT_IMAGE=/BOOT/ubuntu_zrhf1w@/vmlinuz-5.15.0-58-generic
root=ZFS=rpool/ROOT/ubuntu_zrhf1w ro quiet splash
RebootRequiredPkgs: Error: path contained symlinks.
SourcePackage: wayland
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 11/11/2022
dmi.bios.release: 1.32
dmi.bios.vendor: LENOVO
dmi.bios.version: R23ET62W (1.32 )
dmi.board.asset.tag: Not Available
dmi.board.name: 21CKCTO1WW
dmi.board.vendor: LENOVO
dmi.board.version: ThinkPad
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.ec.firmware.release: 1.23
dmi.modalias:
dmi:bvnLENOVO:bvrR23ET62W(1.32):bd11/11/2022:br1.32:efr1.23:svnLENOVO:pn21CKCTO1WW:pvrThinkPadP16sGen1:rvnLENOVO:rn21CKCTO1WW:rvrThinkPad:cvnLENOVO:ct10:cvrNone:skuLENOVO_MT_21CK_BU_Think_FM_ThinkPadP16sGen1:
dmi.product.family: ThinkPad P16s Gen 1
dmi.product.name: 21CKCTO1WW
dmi.product.sku: LENOVO_MT_21CK_BU_Think_FM_ThinkPad P16s Gen 1
dmi.product.version: ThinkPad P16s Gen 1
dmi.sys.vendor: LENOVO
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.113-2~ubuntu0.22.04.1
version.libgl1-mesa-dri: libgl1-mesa-dri 22.2.5-0ubuntu0.1~22.04.1
version.libgl1-mesa-glx: libgl1-mesa-glx N/A
version.xserver-xorg-core: xserver-xorg-core 2:21.1.3-2ubuntu2.7
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-2ubuntu1
version.xserver-xorg-video-intel: xserver-xorg-video-intel
2:2.99.917+git20210115-1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau
1:1.0.17-2build1
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