This is still affecting focal in driver version 390 but 410 and 418 don't seem to exist anymore(?). It would be interesting to see if later versions still have this bug...
** Changed in: nvidia-graphics-drivers-410 (Ubuntu) Status: Confirmed => Won't Fix ** Changed in: nvidia-graphics-drivers-418 (Ubuntu) Status: Confirmed => Won't Fix -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to nvidia-graphics-drivers-418 in Ubuntu. https://bugs.launchpad.net/bugs/1799679 Title: Nvidia driver causes Xorg to use 100% CPU and huge lag when dragging OpenGL app windows Status in nvidia-graphics-drivers-390 package in Ubuntu: Confirmed Status in nvidia-graphics-drivers-410 package in Ubuntu: Won't Fix Status in nvidia-graphics-drivers-418 package in Ubuntu: Won't Fix Bug description: Nvidia driver causes Xorg to use 100% CPU and shows high lag and stutter... but only when dragging glxgears/glxheads, or any window over them. Other apps do not exhibit the problem. ProblemType: Bug DistroRelease: Ubuntu 18.10 Package: nvidia-driver-390 390.87-0ubuntu1 ProcVersionSignature: Ubuntu 4.18.0-10.11-generic 4.18.12 Uname: Linux 4.18.0-10-generic x86_64 NonfreeKernelModules: nvidia_modeset nvidia ApportVersion: 2.20.10-0ubuntu13 Architecture: amd64 Date: Wed Oct 24 19:11:15 2018 InstallationDate: Installed on 2018-05-26 (151 days ago) InstallationMedia: Ubuntu 18.10 "Cosmic Cuttlefish" - Alpha amd64 (20180525) ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_AU.UTF-8 SHELL=/bin/bash SourcePackage: nvidia-graphics-drivers-390 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-390/+bug/1799679/+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