[Expired for nvidia-graphics-drivers-470 (Ubuntu) because there has been
no activity for 60 days.]
** Changed in: nvidia-graphics-drivers-470 (Ubuntu)
Status: Incomplete => Expired
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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to nvidia-graphics-drivers-470 in Ubuntu.
https://bugs.launchpad.net/bugs/1944667
Title:
High CPU usage in Xorg with NVIDIA reverse prime external monitor
Status in nvidia-graphics-drivers-470 package in Ubuntu:
Expired
Status in xserver-xorg-video-amdgpu package in Ubuntu:
Expired
Bug description:
With my Legion Slim 7 in hybrid graphics mode (using amdgpu to drive
the laptop display) and an external monitor connected via the nvidia
card on a USB-C/HDMI connection, Xorg consistently uses around 40% CPU
even with no apps running.
If I put the laptop in discrete graphics mode so the nvidia card
drives both the laptop display and the external monitor Xorg uses
close to 0% CPU, which is what I would expect it to be in hybrid mode.
ProblemType: Bug
DistroRelease: Ubuntu 21.10
Package: xserver-xorg-core 2:1.20.13-1ubuntu1
ProcVersionSignature: Ubuntu 5.13.0-16.16-generic 5.13.13
Uname: Linux 5.13.0-16-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
.proc.driver.nvidia.capabilities.gpu0: Error: path was not a regular file.
.proc.driver.nvidia.capabilities.mig: Error: path was not a regular file.
.proc.driver.nvidia.gpus.0000.01.00.0: Error: path was not a regular file.
.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 470.63.01 Tue Aug 3
20:44:16 UTC 2021
GCC version: gcc version 11.2.0 (Ubuntu 11.2.0-5ubuntu1)
ApportVersion: 2.20.11-0ubuntu69
Architecture: amd64
CasperMD5CheckResult: pass
CompositorRunning: None
Date: Thu Sep 23 11:48:15 2021
DistUpgraded: Fresh install
DistroCodename: impish
DistroVariant: ubuntu
DkmsStatus:
nvidia, 470.63.01, 5.13.0-16-generic, x86_64: installed
nvidia, 470.63.01, 5.14.5-051405-generic, x86_64: installed
nvidia, 470.63.01, 5.15.0-051500rc2-generic, x86_64: installed
ExtraDebuggingInterest: Yes
GraphicsCard:
NVIDIA Corporation GA106M [GeForce RTX 3060 Mobile / Max-Q] [10de:2560] (rev
a1) (prog-if 00 [VGA controller])
Subsystem: Lenovo GA106M [GeForce RTX 3060 Mobile / Max-Q] [17aa:3801]
Advanced Micro Devices, Inc. [AMD/ATI] Cezanne [1002:1638] (rev c5) (prog-if
00 [VGA controller])
Subsystem: Lenovo Cezanne [17aa:380c]
InstallationDate: Installed on 2021-09-15 (8 days ago)
InstallationMedia: Ubuntu 21.10 "Impish Indri" - Alpha amd64 (20210910)
MachineType: LENOVO 82K8
ProcEnviron:
LANGUAGE=en_AU:en
TERM=xterm-256color
PATH=(custom, no user)
LANG=en_AU.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/@/boot/vmlinuz-5.13.0-16-generic
root=UUID=99f436de-d37c-4b3e-adb2-612443efc197 ro rootflags=subvol=@ quiet
splash amdgpu.backlight=0 vt.handoff=7
SourcePackage: xorg-server
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 08/02/2021
dmi.bios.release: 1.27
dmi.bios.vendor: LENOVO
dmi.bios.version: HACN27WW
dmi.board.asset.tag: No Asset Tag
dmi.board.name: LNVNB161216
dmi.board.vendor: LENOVO
dmi.board.version: SDK0J40697WIN
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Legion S7 15ACH6
dmi.ec.firmware.release: 1.27
dmi.modalias:
dmi:bvnLENOVO:bvrHACN27WW:bd08/02/2021:br1.27:efr1.27:svnLENOVO:pn82K8:pvrLegionS715ACH6:skuLENOVO_MT_82K8_BU_idea_FM_LegionS715ACH6:rvnLENOVO:rnLNVNB161216:rvrSDK0J40697WIN:cvnLENOVO:ct10:cvrLegionS715ACH6:
dmi.product.family: Legion S7 15ACH6
dmi.product.name: 82K8
dmi.product.sku: LENOVO_MT_82K8_BU_idea_FM_Legion S7 15ACH6
dmi.product.version: Legion S7 15ACH6
dmi.sys.vendor: LENOVO
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.107-1
version.libgl1-mesa-dri: libgl1-mesa-dri 21.2.1-2ubuntu2
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 2:1.20.13-1ubuntu1
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-2
version.xserver-xorg-video-intel: xserver-xorg-video-intel
2:2.99.917+git20200714-1ubuntu1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.17-1
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