Public bug reported:
nvidia-drm.modeset=1 incurs very high CPU usage in the process
[kworker/u16:1+events_unbound]
See the attached screenshot of a single client animating at 59.95Hz.
ProblemType: Bug
DistroRelease: Ubuntu 19.04
Package: nvidia-kernel-source-410 410.78-0ubuntu3
ProcVersionSignature: Ubuntu 4.18.0-11.12-generic 4.18.12
Uname: Linux 4.18.0-11-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.10-0ubuntu14
Architecture: amd64
Date: Wed Dec 12 16:00:46 2018
Dependencies:
InstallationDate: Installed on 2018-12-04 (8 days ago)
InstallationMedia: Ubuntu 19.04 "Disco Dingo" - Alpha amd64 (20181203)
SourcePackage: nvidia-graphics-drivers-410
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: ubuntu-power-consumption
Importance: Medium
Status: New
** Affects: linux (Ubuntu)
Importance: Medium
Status: New
** Affects: nvidia-graphics-drivers-410 (Ubuntu)
Importance: Medium
Status: New
** Tags: amd64 apport-bug disco nvidia performance
** Attachment added: "kworker.png"
https://bugs.launchpad.net/bugs/1808108/+attachment/5221600/+files/kworker.png
** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Also affects: ubuntu-power-consumption
Importance: Undecided
Status: New
** Changed in: ubuntu-power-consumption
Importance: Undecided => Medium
** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
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https://bugs.launchpad.net/bugs/1808108
Title:
nvidia-drm.modeset=1 incurs very high CPU usage in
[kworker/u16:1+events_unbound]
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