Monitoring syslog I see the following when I try to change screen brightness:
root@lisa-Legion-Y545-PG0:~# tail -f /var/log/syslog Apr 27 10:46:55 lisa-Legion-Y545-PG0 kernel: [ 142.184842] nvme 0000:06:00.0: AER: device [15b7:5006] error status/mask=00000001/0000e000 Apr 27 10:46:55 lisa-Legion-Y545-PG0 kernel: [ 142.184846] nvme 0000:06:00.0: AER: [ 0] RxErr Apr 27 10:47:00 lisa-Legion-Y545-PG0 kernel: [ 147.048707] pcieport 0000:00:1d.0: AER: Corrected error received: 0000:06:00.0 Apr 27 10:47:00 lisa-Legion-Y545-PG0 kernel: [ 147.048718] nvme 0000:06:00.0: AER: PCIe Bus Error: severity=Corrected, type=Physical Layer, (Receiver ID) Apr 27 10:47:00 lisa-Legion-Y545-PG0 kernel: [ 147.048725] nvme 0000:06:00.0: AER: device [15b7:5006] error status/mask=00000001/0000e000 Apr 27 10:47:00 lisa-Legion-Y545-PG0 kernel: [ 147.048731] nvme 0000:06:00.0: AER: [ 0] RxErr Apr 27 10:47:20 lisa-Legion-Y545-PG0 kernel: [ 167.054672] pcieport 0000:00:1d.0: AER: Corrected error received: 0000:06:00.0 Apr 27 10:47:20 lisa-Legion-Y545-PG0 kernel: [ 167.054687] nvme 0000:06:00.0: AER: PCIe Bus Error: severity=Corrected, type=Physical Layer, (Receiver ID) Apr 27 10:47:20 lisa-Legion-Y545-PG0 kernel: [ 167.054696] nvme 0000:06:00.0: AER: device [15b7:5006] error status/mask=00000001/0000e000 Apr 27 10:47:20 lisa-Legion-Y545-PG0 kernel: [ 167.054701] nvme 0000:06:00.0: AER: [ 0] RxErr Apr 27 10:47:28 lisa-Legion-Y545-PG0 gnome-shell[2043]: Window manager warning: Overwriting existing binding of keysym 31 with keysym 31 (keycode a). Apr 27 10:47:28 lisa-Legion-Y545-PG0 gnome-shell[2043]: Window manager warning: Overwriting existing binding of keysym 32 with keysym 32 (keycode b). Apr 27 10:47:28 lisa-Legion-Y545-PG0 gnome-shell[2043]: Window manager warning: Overwriting existing binding of keysym 38 with keysym 38 (keycode 11). Apr 27 10:47:28 lisa-Legion-Y545-PG0 gnome-shell[2043]: Window manager warning: Overwriting existing binding of keysym 39 with keysym 39 (keycode 12). Apr 27 10:47:28 lisa-Legion-Y545-PG0 gnome-shell[2043]: Window manager warning: Overwriting existing binding of keysym 33 with keysym 33 (keycode c). Apr 27 10:47:28 lisa-Legion-Y545-PG0 gnome-shell[2043]: Window manager warning: Overwriting existing binding of keysym 34 with keysym 34 (keycode d). Apr 27 10:47:28 lisa-Legion-Y545-PG0 gnome-shell[2043]: Window manager warning: Overwriting existing binding of keysym 35 with keysym 35 (keycode e). Apr 27 10:47:28 lisa-Legion-Y545-PG0 gnome-shell[2043]: Window manager warning: Overwriting existing binding of keysym 36 with keysym 36 (keycode f). Apr 27 10:47:28 lisa-Legion-Y545-PG0 gnome-shell[2043]: Window manager warning: Overwriting existing binding of keysym 37 with keysym 37 (keycode 10). Apr 27 10:48:01 lisa-Legion-Y545-PG0 gnome-shell[2043]: Window manager warning: Overwriting existing binding of keysym 31 with keysym 31 (keycode a). Apr 27 10:48:01 lisa-Legion-Y545-PG0 gnome-shell[2043]: Window manager warning: Overwriting existing binding of keysym 32 with keysym 32 (keycode b). Apr 27 10:48:01 lisa-Legion-Y545-PG0 gnome-shell[2043]: Window manager warning: Overwriting existing binding of keysym 38 with keysym 38 (keycode 11). Apr 27 10:48:01 lisa-Legion-Y545-PG0 gnome-shell[2043]: Window manager warning: Overwriting existing binding of keysym 39 with keysym 39 (keycode 12). Apr 27 10:48:01 lisa-Legion-Y545-PG0 gnome-shell[2043]: Window manager warning: Overwriting existing binding of keysym 33 with keysym 33 (keycode c). Apr 27 10:48:01 lisa-Legion-Y545-PG0 gnome-shell[2043]: Window manager warning: Overwriting existing binding of keysym 34 with keysym 34 (keycode d). Apr 27 10:48:01 lisa-Legion-Y545-PG0 gnome-shell[2043]: Window manager warning: Overwriting existing binding of keysym 35 with keysym 35 (keycode e). Apr 27 10:48:01 lisa-Legion-Y545-PG0 gnome-shell[2043]: Window manager warning: Overwriting existing binding of keysym 36 with keysym 36 (keycode f). Apr 27 10:48:01 lisa-Legion-Y545-PG0 gnome-shell[2043]: Window manager warning: Overwriting existing binding of keysym 37 with keysym 37 (keycode 10). Apr 27 10:48:05 lisa-Legion-Y545-PG0 gnome-shell[2043]: Window manager warning: Overwriting existing binding of keysym 31 with keysym 31 (keycode a). Apr 27 10:48:05 lisa-Legion-Y545-PG0 gnome-shell[2043]: Window manager warning: Overwriting existing binding of keysym 32 with keysym 32 (keycode b). Apr 27 10:48:05 lisa-Legion-Y545-PG0 gnome-shell[2043]: Window manager warning: Overwriting existing binding of keysym 38 with keysym 38 (keycode 11). Apr 27 10:48:05 lisa-Legion-Y545-PG0 gnome-shell[2043]: Window manager warning: Overwriting existing binding of keysym 39 with keysym 39 (keycode 12). Apr 27 10:48:05 lisa-Legion-Y545-PG0 gnome-shell[2043]: Window manager warning: Overwriting existing binding of keysym 33 with keysym 33 (keycode c). Apr 27 10:48:05 lisa-Legion-Y545-PG0 gnome-shell[2043]: Window manager warning: Overwriting existing binding of keysym 34 with keysym 34 (keycode d). Apr 27 10:48:05 lisa-Legion-Y545-PG0 gnome-shell[2043]: Window manager warning: Overwriting existing binding of keysym 35 with keysym 35 (keycode e). Apr 27 10:48:05 lisa-Legion-Y545-PG0 gnome-shell[2043]: Window manager warning: Overwriting existing binding of keysym 36 with keysym 36 (keycode f). Apr 27 10:48:05 lisa-Legion-Y545-PG0 gnome-shell[2043]: Window manager warning: Overwriting existing binding of keysym 37 with keysym 37 (keycode 10). -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1874716 Title: Changing screen brightness fails Status in xorg package in Ubuntu: Incomplete Bug description: Lenovo Legion with Nvidia card: FN+F5/F6 shows brightness changes, but the screen actually doesn't change at all. 01:00.0 VGA compatible controller: NVIDIA Corporation TU117M [GeForce GTX 1650 Mobile / Max-Q] (rev a1) nvidia 20430848 538 nvidia_uvm,nvidia_modeset nvidia_drm 45056 8 nvidia_modeset 1114112 12 nvidia_drm nvidia_uvm 966656 0 nvme 49152 2 nvme_core 102400 4 nvme ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: xorg 1:7.7+19ubuntu14 ProcVersionSignature: Ubuntu 5.4.0-26.30-generic 5.4.30 Uname: Linux 5.4.0-26-generic x86_64 NonfreeKernelModules: nvidia_modeset nvidia .proc.driver.nvidia.gpus.0000.01.00.0: Error: [Errno 21] Is a directory: '/proc/driver/nvidia/gpus/0000:01:00.0' .proc.driver.nvidia.registry: Binary: "" .proc.driver.nvidia.suspend: suspend hibernate resume .proc.driver.nvidia.suspend_depth: default modeset uvm .proc.driver.nvidia.version: NVRM version: NVIDIA UNIX x86_64 Kernel Module 440.64 Fri Feb 21 01:17:26 UTC 2020 GCC version: gcc version 9.3.0 (Ubuntu 9.3.0-10ubuntu2) ApportVersion: 2.20.11-0ubuntu27 Architecture: amd64 BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log' CasperMD5CheckResult: skip CompositorRunning: None CurrentDesktop: ubuntu:GNOME Date: Fri Apr 24 06:23:22 2020 DistUpgraded: Fresh install DistroCodename: focal DistroVariant: ubuntu DkmsStatus: nvidia, 440.64, 5.4.0-26-generic, x86_64: installed ExtraDebuggingInterest: Yes GraphicsCard: NVIDIA Corporation TU117M [GeForce GTX 1650 Mobile / Max-Q] [10de:1f91] (rev a1) (prog-if 00 [VGA controller]) Subsystem: Lenovo TU117M [GeForce GTX 1650 Mobile / Max-Q] [17aa:3ffb] InstallationDate: Installed on 2020-03-12 (42 days ago) InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Alpha amd64 (20200306) MachineType: LENOVO 81T2 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-26-generic root=UUID=51068ea2-6b38-4cfc-a75f-4f404cd04685 ro quiet splash vt.handoff=7 SourcePackage: xorg Symptom: display UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 11/23/2019 dmi.bios.vendor: LENOVO dmi.bios.version: BHCN35WW 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 Y545 PG0 dmi.modalias: dmi:bvnLENOVO:bvrBHCN35WW:bd11/23/2019:svnLENOVO:pn81T2:pvrLegionY545PG0:rvnLENOVO:rnLNVNB161216:rvrSDK0R32862WIN:cvnLENOVO:ct10:cvrLegionY545PG0: dmi.product.family: Legion Y545 PG0 dmi.product.name: 81T2 dmi.product.sku: LENOVO_MT_81T2_BU_idea_FM_Legion Y545 PG0 dmi.product.version: Legion Y545 PG0 dmi.sys.vendor: LENOVO version.compiz: compiz N/A version.libdrm2: libdrm2 2.4.101-2 version.libgl1-mesa-dri: libgl1-mesa-dri 20.0.4-2ubuntu1 version.libgl1-mesa-glx: libgl1-mesa-glx N/A version.nvidia-graphics-drivers: nvidia-graphics-drivers-* N/A version.xserver-xorg-core: xserver-xorg-core 2:1.20.8-2ubuntu2 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 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1874716/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
