hello,i upgrade kde 4.6.5 to 4.7.2 from ports,after this OpenGL effects not enabling,i disable AIGLX in xorg.conf and OpenGL effects work,but very slow. 8.2-STABLE-amd64 ATI4850(xf86-video-ati 6.14.2) http://pastebin.com/nL7DiSh2 -- С Уважением,Алексей Жиндарев.