apport information ** Attachment added: "acpidump.txt" https://bugs.launchpad.net/bugs/1944435/+attachment/5526690/+files/acpidump.txt
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1944435 Title: Backlight on P17 Gen 1 not working Nvidia 470 Status in linux package in Ubuntu: Incomplete Bug description: Updated to the Nvidia 460 driver and backlight (screen brightness) was not working so updated to the 470.63.01 before opening ticket as it also is not wortking on the P17 Gen 1 with BOE panel NE173QUM-N42. It was working fine before the updates --- ProblemType: Bug ApportVersion: 2.20.11-0ubuntu27.20 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: z 2151 F.... pulseaudio /dev/snd/controlC1: z 2151 F.... pulseaudio CasperMD5CheckResult: skip CurrentDesktop: ubuntu:GNOME DistributionChannelDescriptor: # This is the distribution channel descriptor for the OEM CDs # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor canonical-oem-sutton-focal-amd64-20201012-119+sutton-simon-focal-amd64+iso DistroRelease: Ubuntu 20.04 InstallationDate: Installed on 2021-01-04 (259 days ago) InstallationMedia: Ubuntu 20.04 "Focal" - Build amd64 LIVE Binary 20201012-17:03 MachineType: LENOVO 20SNZ5GCUS NonfreeKernelModules: nvidia_modeset nvidia Package: linux (not installed) ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash ProcFB: 0 i915drmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.11.0-34-generic root=UUID=79aeb320-7842-4144-b3d7-30a10d0f8d0e ro quiet splash ProcVersionSignature: Ubuntu 5.11.0-34.36~20.04.1-generic 5.11.22 RelatedPackageVersions: linux-restricted-modules-5.11.0-34-generic N/A linux-backports-modules-5.11.0-34-generic N/A linux-firmware 1.187.16 Tags: focal Uname: Linux 5.11.0-34-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip docker libvirt lpadmin plugdev sambashare sudo _MarkForUpload: True dmi.bios.date: 08/03/2021 dmi.bios.release: 1.23 dmi.bios.vendor: LENOVO dmi.bios.version: N30ET40W (1.23 ) dmi.board.asset.tag: Not Available dmi.board.name: 20SNZ5GCUS dmi.board.vendor: LENOVO dmi.board.version: SDK0J40697 WIN dmi.chassis.asset.tag: No Asset Information dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: None dmi.ec.firmware.release: 1.11 dmi.modalias: dmi:bvnLENOVO:bvrN30ET40W(1.23):bd08/03/2021:br1.23:efr1.11:svnLENOVO:pn20SNZ5GCUS:pvrThinkPadP17Gen1:skuLENOVO_MT_20SN_BU_Think_FM_ThinkPadP17Gen1:rvnLENOVO:rn20SNZ5GCUS:rvrSDK0J40697WIN:cvnLENOVO:ct10:cvrNone: dmi.product.family: ThinkPad P17 Gen 1 dmi.product.name: 20SNZ5GCUS dmi.product.sku: LENOVO_MT_20SN_BU_Think_FM_ThinkPad P17 Gen 1 dmi.product.version: ThinkPad P17 Gen 1 dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1944435/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp