The following reply was made to PR port-macppc/35348; it has been noted by GNATS.

From: Michael Lorenz <macallan@netbsd.org>
To: gnats-bugs@NetBSD.org
Cc: 
Subject: Re: port-macppc/35348: "auto-boot? true" fails on PM G4/400 OF3 ROM v4.2.8f1
Date: Sat, 30 Dec 2006 23:02:41 -0500

 This is not a bug in NetBSD but in Apple's OpenFirmware 3.x and newer.
 It doesn't set up the console at all if it never drops to the OF 
 prompt. There's a workaround though:
 setenv boot-command " screen" output boot
 This should kick OF into actually initializing the console.
 For a more elaborate explanation see here:
 http://mail-index.netbsd.org/port-macppc/2005/02/28/0010.html