Public bug reported:
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)
** Affects: gnome-shell (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug bionic wayland-session
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https://bugs.launchpad.net/bugs/1756877
Title:
input latency on update
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