(1) Are you using USB wired, USB-wireless, or Bluetooth mouse and
keyboard?
(2) Please run 'lsusb' and provide the output here.
(3) Please try disabling/removing the extra Gnome Shell extensions you have
installed, leaving only these two remaining:
gnome-shell-extension-appindicator
gnome-shell-extension-ubuntu-dock
** Changed in: gnome-shell (Ubuntu)
Status: New => Incomplete
** Summary changed:
- input latency on update
+ Input latency in 18.04
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https://bugs.launchpad.net/bugs/1756877
Title:
Input latency in 18.04
Status in gnome-shell package in Ubuntu:
Incomplete
Bug description:
I am on an Dell xps 9530 laptop and I had recently cleaned installed
17.10. A few days back I decided to updated to 18.04 to check it out
and report some bugs. The most annoying bug so far is the insane
amount of input latency this update has brought with it to a degree
that it makes it impossible to be productive. The issue is observable
when using either the mouse or the keyboard. The mouse does not move
immediately but it needs a second or two to register and start moving
and even then at some point it freezes for half a second at some
random point and then moves again. Also if I have two applications
side by side and I try an move focus from one to the next at around
the edges of each window the mouse freezes for a second and then
moves. The keyboard freezes if it hasn't been used for a while and on
the first keystroke will take a second to register and for a bonus you
get the first keystorke repeated for around 15-30 times. So if you are
trying to write "and" will become "aaaaaaaaaaaaaaand" or pressing
"ctrl + T" in the browser will open not one but 20 tabs!
I am reporting it here cause I am not sure what is causing all this
latency (it could be libinput or something else entirely) but please
try and fix this as soon as possible!!
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: gnome-shell 3.28.0-0ubuntu1
ProcVersionSignature: Ubuntu 4.15.0-13.14-generic 4.15.10
Uname: Linux 4.15.0-13-generic x86_64
ApportVersion: 2.20.8-0ubuntu10
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Mon Mar 19 13:04:05 2018
DisplayManager: gdm3
InstallationDate: Installed on 2018-02-14 (32 days ago)
InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Release amd64 (20180105.1)
SourcePackage: gnome-shell
UpgradeStatus: Upgraded to bionic on 2018-03-15 (3 days ago)
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