Same problem like #72210. After updating and switching to gcc34-x86-2004.2 recently, I wasn't able to emerge -uD world. Complains about missing virtual/fam. Had to add virtual/fam apps-admin/fam to /usr/portage/profiles/gcc34-x86-2004.2/virtuals to get it back working. Whats the root of the problem? Reproducible: Always Steps to Reproduce: 1. 2. 3.
nothing.. fam virtual is provided in base profile according to some this is a heisenbug *** This bug has been marked as a duplicate of 72210 ***