Public bug reported:
screen brightness automatically gets full even if I reduce it
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: xorg 1:7.7+19ubuntu7.1
ProcVersionSignature: Ubuntu 4.15.0-76.86-generic 4.15.18
Uname: Linux 4.15.0-76-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.9
Architecture: amd64
BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
CompositorRunning: None
CurrentDesktop: ubuntu:GNOME
Date: Mon Sep 14 09:59:45 2020
DistUpgraded: Fresh install
DistroCodename: bionic
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes
GraphicsCard:
Intel Corporation UHD Graphics 620 [8086:5917] (rev 07) (prog-if 00 [VGA
controller])
Subsystem: Lenovo UHD Graphics 620 [17aa:3963]
Subsystem: Lenovo GP108M [GeForce MX150] [17aa:3963]
InstallationDate: Installed on 2019-01-10 (612 days ago)
InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725)
Lsusb:
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 004: ID 174f:241a Syntek
Bus 001 Device 003: ID 0cf3:e500 Atheros Communications, Inc.
Bus 001 Device 002: ID 046d:c534 Logitech, Inc. Unifying Receiver
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: LENOVO 81DE
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-76-generic
root=UUID=b5321cab-9053-41be-abdd-7ac822fa43b9 ro quiet splash vt.handoff=1
SourcePackage: xorg
Symptom: display
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 06/13/2018
dmi.bios.vendor: LENOVO
dmi.bios.version: 8TCN44WW
dmi.board.asset.tag: NO Asset Tag
dmi.board.name: LNVNB161216
dmi.board.vendor: LENOVO
dmi.board.version: SDK0Q55724 WIN
dmi.chassis.asset.tag: NO Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Lenovo ideapad 330-15IKB
dmi.modalias:
dmi:bvnLENOVO:bvr8TCN44WW:bd06/13/2018:svnLENOVO:pn81DE:pvrLenovoideapad330-15IKB:rvnLENOVO:rnLNVNB161216:rvrSDK0Q55724WIN:cvnLENOVO:ct10:cvrLenovoideapad330-15IKB:
dmi.product.family: ideapad 330-15IKB
dmi.product.name: 81DE
dmi.product.version: Lenovo ideapad 330-15IKB
dmi.sys.vendor: LENOVO
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.97-1ubuntu1~18.04.1
version.libgl1-mesa-dri: libgl1-mesa-dri 19.0.8-0ubuntu0~18.04.3
version.libgl1-mesa-glx: libgl1-mesa-glx 19.0.8-0ubuntu0~18.04.3
version.xserver-xorg-core: xserver-xorg-core 2:1.19.6-1ubuntu4.3
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:18.0.1-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel
2:2.99.917+git20171229-1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.15-2
** Affects: ubuntu
Importance: Undecided
Status: New
** Tags: amd64 apport-bug bionic ubuntu
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https://bugs.launchpad.net/bugs/1895502
Title:
the screen is hanging frequently and i am unable to perform any
typing work on the screen due to the huge delay between my typing and
characters appearing on the screen
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