https://bugs.freedesktop.org/show_bug.cgi?id=30412
--- Comment #2 from Martin Stolpe martinstolpe@gmail.com 2010-09-28 01:50:18 PDT --- Output of $ LIBGL_DEBUG=verbose glxinfo 2>&1 name of display: :0.0 Error: couldn't find RGB GLX visual or fbconfig
The xorg log file is completly full with statements with this content: "[ 2351.450] (II) radeon(0): xorg_composite_accelerated fallback Component alpha not supported with source alpha and source value blending. (op=3)"