It also looks like the BIOS is hiding the Intel GPU, which your old Xorg
logs seem to suggest is required to drive the screen, and night light.
Please look in your BIOS to try and re-enable the integrated Intel GPU.
** Package changed: xorg (Ubuntu) => ubuntu
** Changed in: ubuntu
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1901561
Title:
night light not working
Status in Ubuntu:
Incomplete
Bug description:
I'm using ubuntu in a laptop with dual boot. Last week, I did an
update in my bios through windows and since then the night light in
ubuntu is not working.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: xorg 1:7.7+19ubuntu14
ProcVersionSignature: Ubuntu 5.4.0-52.57-generic 5.4.65
Uname: Linux 5.4.0-52-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.10
Architecture: amd64
BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
CasperMD5CheckResult: skip
CompositorRunning: None
CurrentDesktop: ubuntu:GNOME
Date: Mon Oct 26 12:32:17 2020
DistUpgraded: Fresh install
DistroCodename: focal
DistroVariant: ubuntu
DkmsStatus:
nvidia, 450.80.02, 5.4.0-51-generic, x86_64: installed
nvidia, 450.80.02, 5.4.0-52-generic, x86_64: installed
ExtraDebuggingInterest: Yes
GraphicsCard:
NVIDIA Corporation TU106M [GeForce RTX 2060 Mobile] [10de:1f11] (rev a1)
(prog-if 00 [VGA controller])
Subsystem: Lenovo TU106M [GeForce RTX 2060 Mobile] [17aa:3ffd]
InstallationDate: Installed on 2020-08-17 (70 days ago)
InstallationMedia: Ubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731)
LightdmDisplayLog: xf86EnableIOPorts: failed to set IOPL for I/O (Operation
not permitted)
MachineType: LENOVO 81SX
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-52-generic
root=UUID=5ed3584d-a0d4-44d4-a253-f2da8672df17 ro quiet splash vt.handoff=7
SourcePackage: xorg
Symptom: display
UpgradeStatus: No upgrade log present (probably fresh install)
acpidump: Error: command ['pkexec', '/usr/share/apport/dump_acpi_tables.py']
failed with exit code 126: Error executing command as another user: Request
dismissed
dmi.bios.date: 06/23/2020
dmi.bios.vendor: LENOVO
dmi.bios.version: BHCN39WW
dmi.board.asset.tag: NO Asset Tag
dmi.board.name: LNVNB161216
dmi.board.vendor: LENOVO
dmi.board.version: SDK0R32862 WIN
dmi.chassis.asset.tag: NO Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Legion Y540-15IRH
dmi.modalias:
dmi:bvnLENOVO:bvrBHCN39WW:bd06/23/2020:svnLENOVO:pn81SX:pvrLegionY540-15IRH:rvnLENOVO:rnLNVNB161216:rvrSDK0R32862WIN:cvnLENOVO:ct10:cvrLegionY540-15IRH:
dmi.product.family: Legion Y540-15IRH
dmi.product.name: 81SX
dmi.product.sku: LENOVO_MT_81SX_BU_idea_FM_Legion Y540-15IRH
dmi.product.version: Legion Y540-15IRH
dmi.sys.vendor: LENOVO
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.101-2
version.libgl1-mesa-dri: libgl1-mesa-dri 20.0.8-0ubuntu1~20.04.1
version.libgl1-mesa-glx: libgl1-mesa-glx 20.0.8-0ubuntu1~20.04.1
version.xserver-xorg-core: xserver-xorg-core 2:1.20.8-2ubuntu2.4
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel
2:2.99.917+git20200226-1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.16-1
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