After upgrade to xorg 1.7.1 -- X cannot start. It usually just segfaults (in which case screen blanks for a second), but sometimes X takes 100% CPU and doesn't touch the screen at all. I don't use xorg.conf.
Created attachment 208531 [details] emerge --info
Created attachment 208532 [details] paludis --query xorg-server
Created attachment 208533 [details] Xorg.0.log
*** This bug has been marked as a duplicate of bug 290871 ***