Public bug reported:
On a fresh install of Kubuntu 17.10, I am finding that the performance
of kwin is not quite what it should be. This problem is at least more
noticable on my older AMD Athlon II laptop. Basically what happens is,
if I open up Terminal, and hit the application launcher, it's choppy
when it slides out. Nothing I have done seems to help, even disabling
tripple buffering via variables. What I have noticed however, is if I
simply logout, or kwin_x11 --replace &, this issue goes completely away.
This is not expected behavior and one shouldn't need to be restarting
kwin after they just have cold booted the machine. Some of my other
laptops and desktops have not exhibited this behavior, so I don't know
what the trigger is, or why this is happening.
ProblemType: Bug
DistroRelease: Ubuntu 17.10
Package: kwin 4:5.10.5-0ubuntu1
ProcVersionSignature: Ubuntu 4.13.0-32.35-generic 4.13.13
Uname: Linux 4.13.0-32-generic x86_64
ApportVersion: 2.20.7-0ubuntu3.7
Architecture: amd64
CurrentDesktop: KDE
Date: Mon Jan 29 20:20:47 2018
InstallationDate: Installed on 2018-01-27 (2 days ago)
InstallationMedia: Kubuntu 17.10 "Artful Aardvark" - Release amd64 (20180105.2)
PackageArchitecture: all
SourcePackage: kwin
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: kwin (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug artful
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https://bugs.launchpad.net/bugs/1746138
Title:
Poor kwin performance on cold boot
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