Looks like yaboot does not find its conf file any more. I'm trying to install (CD) Debian on a PowerMac G5 (7,3). Jessie (yaboot 1.3.16) works. Stretch (yaboot 1.3.17) does not. It complains: cd:-1,\install\yaboot.conf: Unable to open file, Invalid device Or, on a Mac mini G4: cd:-1,\install\mac32.conf: Unable to open file, Invalid device Risto