cpu0 at mainbus0: 7455 (Revision 303), ID 0 (primary)
cpu0: HID0 8410c1bc<TBEN,DPM,ICE,DCE,XBSEN,SGE,BTIC,LRSTK,FOLD,BHT>
cpu0: HID1 80017c80<EMCP,PC0,PC2,PC3,PC4,SYNCBE,ABE>
cpu0: 256KB on-chip L2 cache, 2MB backside L3 cache

Index: distrib/utils/sysinst/arch/macppc/md.c
===================================================================
 RCS file: /e/st4200/20041017/Repository/src/distrib/utils/sysinst/arch/macppc/md.c,v
retrieving revision 1.1.1.1
diff -u -r1.1.1.1 md.c
--- distrib/utils/sysinst/arch/macppc/md.c      19 Oct 2004 06:17:35 -0000      1.1.1.1
+++ distrib/utils/sysinst/arch/macppc/md.c      3 Oct 1936 01:33:31 -0000
@@ -133,8 +133,8 @@
        printf (msg_string(MSG_dobootblks), diskdev);
        cp_to_target("/usr/mdec/ofwboot", bootfile);
        sync();
-       run_program(RUN_DISPLAY, "/usr/sbin/installboot /dev/r%sa %s %s",
-           diskdev, "/usr/mdec/bootxx", bootfile);
+       run_program(RUN_DISPLAY, "/usr/mdec/installboot %s %s /dev/r%sa",
+           bootfile, "/usr/mdec/bootxx", diskdev);
        return 0;
 }

/usr/mdec/installboot なんてないって言われた。確かに、何も入れる前だけれ と、変更前の場合には、/usr/sbin/installboot は起動していると思う。 何が悪いのかな。そう言えば、いつもは Install だけれど、これを試す時には Upgrade を選んだ。

     Status: Command failed
    Command: /usr/mdec/installboot /boot /usr/mdec/bootxx /dev/rwd0a
     Hit enter to continue
--------------------------------------------------------------------
sysinst: execvp /usr/mdec/installboot: No such file or directory

sysinst カーネルに特別に組込んでおく必要があるのか。

distrib/macppc/floppies/ramdisk/list ここらしい。
Index: distrib/macppc/floppies/ramdisk/list
===================================================================
 RCS file: /e/st4200/20041017/Repository/src/distrib/macppc/floppies/ramdisk/list,v
retrieving revision 1.1.1.1
diff -u -r1.1.1.1 list
--- distrib/macppc/floppies/ramdisk/list        19 Oct 2004 06:17:16 -0000      1.1.1.1
+++ distrib/macppc/floppies/ramdisk/list        21 Oct 2004 12:54:09 -0000
@@ -77,6 +77,7 @@
 COPY   ${DESTDIR}/usr/mdec/bootxx      usr/mdec/bootxx
 COPY   ${DESTDIR}/usr/mdec/mbr         usr/mdec/mbr
 COPY   ${DESTDIR}/usr/mdec/ofwboot     usr/mdec/ofwboot
+COPY   ${DESTDIR}/usr/mdec/installboot usr/mdec/installboot
 
 # various files that we need in /etc for the install
 COPY   ${NETBSDSRCDIR}/etc/group               etc/group

ついでに date を入れておこう。