Are you using nvidia? There are newer packages available which add a correct symlink to the nvidia library. You can do it yourself by moving /usr/lib/xorg/modules/libglx.so to /usr/lib/xorg/modules/extensions/.
Are you using nvidia? There are newer packages available which add a correct symlink to the nvidia library. You can do it yourself by moving /usr/lib/ xorg/modules/ libglx. so to /usr/lib/ xorg/modules/ extensions/ .