[src/trunk]: src/distrib/notes/macppc Add a note about pre-release ISO instal...

[gutteridge <gutteridge%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/205394c48f9f
branches:  trunk
changeset: 464453:205394c48f9f
user:      gutteridge <gutteridge%NetBSD.org@localhost>
date:      Sun Oct 06 17:56:45 2019 +0000

description:
Add a note about pre-release ISO installers not being bootable. Relates
to PR port-macppc/54537. (This needs to also be placed in a more
prominent location. I've added it next to the explanation of the error
message for starters.)

diffstat:

 distrib/notes/macppc/install |  13 ++++++++++++-
 1 files changed, 12 insertions(+), 1 deletions(-)

diffs (27 lines):

diff -r d987546773ab -r 205394c48f9f distrib/notes/macppc/install
--- a/distrib/notes/macppc/install      Sun Oct 06 17:23:05 2019 +0000
+++ b/distrib/notes/macppc/install      Sun Oct 06 17:56:45 2019 +0000
@@ -1,4 +1,4 @@
-.\"    $NetBSD: install,v 1.40 2018/11/13 18:48:25 scole Exp $
+.\"    $NetBSD: install,v 1.41 2019/10/06 17:56:45 gutteridge Exp $
 .
 .Ss2 Open Firmware boot syntax
 .
@@ -808,6 +808,17 @@
 a kernel).
 Make sure that you have use binary mode to FTP the files, and
 that they are properly uncompressed.
+.Pp
+NB this error will occur with pre-release ISO installer images, because
+they are automatically generated, and it is not presently possible to create
+the necessary hybrid ISO9660/HFS image format without manual steps. Only
+formal release ISO installer images are bootable. If you wish to test a pre-
+release, you must start with an
+.Pa ofwboot.xcf
+or
+.Pa ofwboot.elf
+installed from a formal release (or place a newer version of such in a
+location that is bootable from), and then use that to boot the newer kernel.
 .It
 .To 2 "bad partition number, using 0no bootable HFS partition"
 .Dq Li "bad partition number, using 0no bootable HFS partition"