Version: (using Devel) OS: Linux Installed from: Compiled sources My system: KDE 4.2.88, Qt 4.5.1, OpenSuse 11.1 with Kernel 2.6.27 (I think the window switch effect I use is called flipswitch in English, it shows one window after the other, just as in Vista) How to reproduce: -Open two OpenOffice.org (I use 3.1) documents/windows -open the little search window -switch to the other window via ALT+Tab (maybe a few times) -> the windows freeze for a second, then Kwin crashes, reproducing the following backtrace:
Created attachment 34386 [details] backtrace of Kwin crash
*** This bug has been marked as a duplicate of bug 187761 ***