Valerio Passini wrote: > Hello, > > I was playing a little with desktop effects and found that the Looking > glass doesn't work and freezes plasma too. Is it happening only to me? > > Valerio It doesn't work for me either but i don't experience any freezes. Kernel 2.6.29 XServer 1.6.1 Intel 945GM card Anyway, this is a bug and it should be fixed in upcoming upstream KDE 4.2.3 See: https://bugs.kde.org/show_bug.cgi?id=183981