stage3-amd64-hardened-20151217.tar.bz2 has a broken install: rescue / # install -m0700 -d /tmp/foo Illegal instruction That's cause every emerge to fails: >>> Emerging (1 of 1) app-shells/push-1.6::gentoo * push-1.6.tar.gz SHA256 SHA512 WHIRLPOOL size ;-) ... [ ok ] /usr/lib/portage/python2.7/phase-functions.sh: line 234: 5866 Segmentation fault install -m${PORTAGE_WORKDIR_MODE:-0700} -d "${WORKDIR}" * ERROR: app-shells/push-1.6::gentoo failed (unpack phase): stage3-amd64-hardened-20151210.tar.bz2 worked for me.
stage3-amd64-hardened-20151225.tar.bz2 is fine for me now.