You have been subscribed to a public bug:
My brightness doesn't change and stays at lowest brightness level till
about 70% of the slider, after that the brightness starts increasing
ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: xorg 1:7.7+23ubuntu2
ProcVersionSignature: Ubuntu 5.15.0-46.49-generic 5.15.39
Uname: Linux 5.15.0-46-generic x86_64
ApportVersion: 2.20.11-0ubuntu82.1
Architecture: amd64
BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
CasperMD5CheckResult: unknown
CompositorRunning: None
CurrentDesktop: ubuntu:GNOME
Date: Thu Sep 8 10:47:44 2022
DistUpgraded: Fresh install
DistroCodename: jammy
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes
GraphicsCard:
Intel Corporation 2nd Generation Core Processor Family Integrated Graphics
Controller [8086:0126] (rev 09) (prog-if 00 [VGA controller])
Subsystem: Hewlett-Packard Company 2nd Generation Core Processor Family
Integrated Graphics Controller [103c:161c]
MachineType: Hewlett-Packard HP EliteBook 8460p
ProcEnviron:
LANGUAGE=en_IN:en
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_IN
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.15.0-46-generic
root=UUID=f97ede9e-1a56-449e-81ae-d3b99491cdef ro quiet splash vt.handoff=7
SourcePackage: xorg
Symptom: display
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 08/26/2011
dmi.bios.release: 15.8
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: 68SCF Ver. F.08
dmi.board.name: 161C
dmi.board.vendor: Hewlett-Packard
dmi.board.version: KBC Version 97.45
dmi.chassis.asset.tag: CNU147038F
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.ec.firmware.release: 151.69
dmi.modalias:
dmi:bvnHewlett-Packard:bvr68SCFVer.F.08:bd08/26/2011:br15.8:efr151.69:svnHewlett-Packard:pnHPEliteBook8460p:pvrA0001C02:rvnHewlett-Packard:rn161C:rvrKBCVersion97.45:cvnHewlett-Packard:ct10:cvr:skuSN119UC#ABA:
dmi.product.family: 103C_5336AN
dmi.product.name: HP EliteBook 8460p
dmi.product.sku: SN119UC#ABA
dmi.product.version: A0001C02
dmi.sys.vendor: Hewlett-Packard
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.110-1ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 22.0.5-0ubuntu0.1
version.libgl1-mesa-glx: libgl1-mesa-glx N/A
version.xserver-xorg-core: xserver-xorg-core 2:21.1.3-2ubuntu2.1
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
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug jammy ubuntu
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Brightness bar not working properly
https://bugs.launchpad.net/bugs/1989054
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