Public bug reported: 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 ** Affects: ubuntu Importance: Undecided Status: New ** Tags: amd64 apport-bug focal ubuntu -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1901561 Title: night light not working To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/1901561/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs