Summary sais it all, what summary does not say, attachments will. Reproducible: Didn't try Steps to Reproduce: Reproduction process is most probably hardware-dependant, this is what i did: 1. Install Gentoo. 2. Emerge xorg-x11.
Created attachment 164342 [details] emerge --info output
Created attachment 164344 [details] build.log
Created attachment 164345 [details] lspci output
This looks like
try to rebuild mesa (with bare cflags) same for the ati drivers.
One workaround described here: http://www.gentoo.ru/?q=node/9967 You need to manually: ln -s /usr/lib/opengl/xorg-x11/lib/libGL.so.1.2 /usr/lib/libGL.so then rebuild mesa and ati-drivers.
this ati-drivers version was removed from tree