[Bug 2085557] [NEW] Screen turning on and off

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When i try to change brightness of the screen it starts to turn off and
on. Only thing that helps is to change brightness from keyboard to the
max. Problem is on the Lenovo IdeaPad Flex 5 15IIL05. OS reinstall did
not help, eave changing the versiion of Ubuntu to older/newer.

ProblemType: Bug
DistroRelease: Ubuntu 24.10
Package: xorg 1:7.7+23ubuntu3
ProcVersionSignature: Ubuntu 6.11.0-9.9-generic 6.11.0
Uname: Linux 6.11.0-9-generic x86_64
ApportVersion: 2.30.0-0ubuntu4
Architecture: amd64
BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
CasperMD5CheckResult: pass
CompositorRunning: None
CurrentDesktop: ubuntu:GNOME
Date: Thu Oct 24 18:47:21 2024
DistUpgraded: Fresh install
DistroCodename: oracular
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes
GraphicsCard:
Intel Corporation Iris Plus Graphics G1 (Ice Lake) [8086:8a56] (rev 07) (prog-if 00 [VGA controller])
Subsystem: Lenovo Device [17aa:380d]
InstallationDate: Installed on 2024-10-24 (0 days ago)
InstallationMedia: Ubuntu 24.10 "Oracular Oriole" - Release amd64 (20241009.4)
MachineType: LENOVO 81X3
ProcEnviron:
LANG=en_US.UTF-8
PATH=(custom, no user)
SHELL=/bin/bash
XDG_RUNTIME_DIR=<set>
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-6.11.0-9-generic root=UUID=8250d877-f5b5-4beb-aa94-7f6fd6192722 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: 05/20/2021
dmi.bios.release: 1.36
dmi.bios.vendor: LENOVO
dmi.bios.version: ECCN36WW
dmi.board.asset.tag: No Asset Tag
dmi.board.name: LNVNB161216
dmi.board.vendor: LENOVO
dmi.board.version: SDK0J40700 WIN
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 31
dmi.chassis.vendor: LENOVO
dmi.chassis.version: IdeaPad Flex 5 15IIL05
dmi.ec.firmware.release: 1.29
dmi.modalias: dmi:bvnLENOVO:bvrECCN36WW:bd05/20/2021:br1.36:efr1.29:svnLENOVO:pn81X3:pvrIdeaPadFlex515IIL05:rvnLENOVO:rnLNVNB161216:rvrSDK0J40700WIN:cvnLENOVO:ct31:cvrIdeaPadFlex515IIL05:skuLENOVO_MT_81X3_BU_idea_FM_IdeaPadFlex515IIL05:
dmi.product.family: IdeaPad Flex 5 15IIL05
dmi.product.name: 81X3
dmi.product.sku: LENOVO_MT_81X3_BU_idea_FM_IdeaPad Flex 5 15IIL05
dmi.product.version: IdeaPad Flex 5 15IIL05
dmi.sys.vendor: LENOVO
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.122-1
version.libgl1-mesa-dri: libgl1-mesa-dri 24.2.3-1ubuntu1
version.libgl1-mesa-glx: libgl1-mesa-glx N/A
version.xserver-xorg-core: xserver-xorg-core 2:21.1.13-2ubuntu1
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 1:1.0.17-3ubuntu1

** Affects: linux (Ubuntu)
Importance: Undecided
Status: New


** Tags: amd64 apport-bug oracular ubuntu
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Screen turning on and off
https://bugs.launchpad.net/bugs/2085557
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