[Bug 1041770] [NEW] Weird artefacts on screen (white traces, white boxes around windows)

[cagara]

Public bug reported:

Sometimes when changing the focus between windows a bunch of odd
artefacts occur on the screen. Most likely white trails appear on top of
the screen or across the firefox toolbar, or big white boxes appear
around a window.

Those artefacts have in common that they dissapear the moment i change
the focus to another window.

ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: plasma-desktop 4:4.9.0-0ubuntu3
ProcVersionSignature: Ubuntu 3.5.0-11.11-generic 3.5.2
Uname: Linux 3.5.0-11-generic x86_64
ApportVersion: 2.5.1-0ubuntu2
Architecture: amd64
Date: Sun Aug 26 09:49:11 2012
InstallationMedia: Kubuntu 12.10 "Quantal Quetzal" - Alpha amd64 (20120824)
ProcEnviron:
 LANGUAGE=
 TERM=xterm
 PATH=(custom, no user)
 LANG=de_DE.UTF-8
 SHELL=/bin/bash
SourcePackage: kde-workspace
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: kde-workspace (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug quantal

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Title:
  Weird artefacts on screen (white traces, white boxes around windows)

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