a plain copy of sys-kernel/ck-sources/ck-sources-2.6.4-r1.ebuild to sys-kernel/ck-sources/ck-sources-2.6.4-r2.ebuild works perfectly for me and people of the thread http://forums.gentoo.org/viewtopic.php?t=153803&
New ebuild commited. I can't wait to see Con return.