https://bugs.freedesktop.org/show_bug.cgi?id=30412
--- Comment #5 from Martin Stolpe martinstolpe@gmail.com 2010-09-28 02:57:39 PDT --- I was looking at the xorg log with ksystemlog and it didn't show me the head of the log.
3D is working now. Fixed it with a soft link: ln -sf /usr/lib/xorg/modules/dri/r300_dri.so /usr/lib/xorg/modules/dri/radeon_dri.so