Version: (using KDE 4.3.0) Compiler: DELL INSPIRION 1520 with NVidia 8600M GT and workstation with Radeon 9800Pro(R350) OS: Linux Installed from: SuSE RPMs First system: DELL Inspirion 1520 with videocard Nvidia 8600M GT driver Nvidia 185.18.35 openSUSE 11.1 Second system: Collected hands on the basis Athon64 with videocard Radeon 9800 Pro (R350) driver xf86-video-ati openSUSE 11.1 KDE 4.3.0, theme window decorations "Plastic" is included compositing, in the title of the active window after switching between windows, there are artifacts in the form of rectangular color patches are not the active window. These artifacts arise at all the above systems. Sorry for machine translation http://img269.imageshack.us/img269/9319/screen22flk.jpg http://img269.imageshack.us/img269/5737/screen11f.jpg
this is very likely bug #199735 can you reproduce it with e.g. the ozone deco? (not oxygen - and you need to DEactivate "Blend titlebar with..."
At ozone deko I had ever seen, but I'll try to work with ozone and write later. In KDE 4.2.4 such artifacts were not observed in these same systems
*** This bug has been marked as a duplicate of bug 199735 ***