Public bug reported:
1. UBUNTU VERSION
Distributor ID: Ubuntu
Description: Ubuntu 22.04.1 LTS
Release: 22.04
Codename: jammy
2. PACKAGE VERSION
gdm3:
Installed: 42.0-1ubuntu7
Candidate: 42.0-1ubuntu7
Version table:
*** 42.0-1ubuntu7 500
500 http://gb.archive.ubuntu.com/ubuntu jammy-updates/main amd64
Packages
100 /var/lib/dpkg/status
42.0-1ubuntu6 500
500 http://gb.archive.ubuntu.com/ubuntu jammy/main amd64 Packages
3. WHAT I EXPECTED TO HAPPEN
When dragging a window, the window follows the mouse cursor smoothly.
4. WHAT ACTUALLY HAPPENS
Dragging windows is extremely slow and choppy. You grab a window and
start to drag it. For a very brief moment, around .5s, the window moves
smoothly. Then it stops being re-drawn for around 3s. Then there's
another brief .5s of smoothness, and the cycle repeats.
This occurs with all windows.
5. ADDITIONAL INFORMATION
- I was previously on Ubuntu 18.04 and have just upgraded to 22.04.
- I am using the nVidia proprietary driver:
NVIDIA-SMI 470.141.03
Driver Version: 470.141.03 CUDA Version: 11.4
- I have three monitors. Two standard 60Hz monitors, and one Gigabyte G27Q
Freesync compatible 144Hz monitor (I have tried all refresh settings for the
monitor, and it makes no difference).
- I am running X and do not have the option on login to switch to Wayland (no
cog shown).
ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: gdm3 42.0-1ubuntu7
ProcVersionSignature: Ubuntu 5.15.0-47.51-generic 5.15.46
Uname: Linux 5.15.0-47-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu82.1
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: ubuntu:GNOME
Date: Thu Sep 8 10:41:49 2022
InstallationDate: Installed on 2021-01-05 (610 days ago)
InstallationMedia: Ubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731)
SourcePackage: gdm3
UpgradeStatus: Upgraded to jammy on 2022-08-05 (33 days ago)
modified.conffile..etc.gdm3.custom.conf: [modified]
mtime.conffile..etc.gdm3.custom.conf: 2022-09-08T10:42:52.395463
** Affects: gdm3 (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug jammy
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https://bugs.launchpad.net/bugs/1989102
Title:
Dragging windows is very slow and choppy
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