http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=345755 The fglrx-driver in sid is for Xorg 6.8, you can't use it with Xorg 6.9. Try make a package by yourself or download from http://people.debian.org/~nomeata/fglrx-for-6.9/ as discribe in the bug #345755 Good luck! Regards Haifeng Chen