Public bug reported:
Unity dash is extremely slow when launcher configured to appear on every
screen. It takes ~2 secs to appear and 1 to even 10 secs to close it.
Also moving mouse cursor over dash previews/icons/images/entries causes icons
to highlight after some time(like 1-10secs), during this time cursor is blocked.
It looks like there is a problem with repainting mechanism or maybe event
handling.
Unity 5.16.0 (proposed)
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: unity 5.16.0-0ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-31.50-generic 3.2.28
Uname: Linux 3.2.0-31-generic x86_64
NonfreeKernelModules: fglrx
ApportVersion: 2.0.1-0ubuntu13
Architecture: amd64
CheckboxSubmission: 140c097dfb9f06402ec2bfa11be4bf05
CheckboxSystem: b633b4f40868d491c2ae5b50030ce6f3
CompizPlugins:
[core,composite,opengl,compiztoolbox,decor,grid,resize,gnomecompat,commands,place,regex,snap,vpswitch,move,imgpng,mousepoll,unitymtgrabhandles,session,animation,workarounds,wall,expo,ezoom,fade,scale,unityshell]
Date: Mon Sep 17 19:35:31 2012
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta amd64 (20120328)
SourcePackage: unity
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: unity (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug lags multimonitor precise running-unity
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https://bugs.launchpad.net/bugs/1052090
Title:
Unity dash extremely slow when attached second monitor
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