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dnl $OpenBSD: install,v 1.21 2008/08/05 22:58:01 miod Exp $
OpenBSDInstallPrelude
OpenBSD is installed on the Zaurus by effectively converting
Linux into a bootloader. This can be done easily by installing
a package from Qtopia, or manually from a terminal. Both ways
are described below, the easy one first.
The package takes care of modifying the Linux startup files for
you as necessary. To protect you from a common pitfall, ext3
filesystems mounted on /hdd[12] are converted back to ext2.
(That way a fatal error in Linux startup scripts is avoided when
the journal has been destroyed by mounting one of the ext3
filesystems as ext2 on OpenBSD).
1. Press "Home" until the second icon tab is selected (Settings).
2. Open the "Add/Remove Software" dialog. That's the green icon
with an arrow pointing from left to right into a rectangle.
3. Press "Install packages via networks", the middle one of the
three big buttons. The "Package Manager" dialog pops up.
4. Press the yellow switch icon in the lower right corner to
bring up the "Package Servers" dialog.
5. Press the left button, which is labeled "New" if your Zaurus
is in English, enter the HTTP/FTP URL of the nearest OpenBSD
mirror, and change the field above the URL into a name for
that server. Press the "OK" button in the upper right corner
to return to the "Package Manager" dialog.
6. Press the "Upgrade" button in the lower left corner to update
the package index if that was not done automatically. A
package named "openbsd" should appear in the package list.
Select this package and press the question mark icon in the
lower right corner.
7. Now you see the package details and three buttons, labeled
"Install", "Remove", and "Ignore" in this order. Press the
leftmost button and twice "OK" to finish the installation.
Then close the "Add/Remove Software" dialog.
8. Activate the "Q" menu in the lower left corner of the screen
and choose "Reboot" (that's the item with a green icon next
to it, above the power-off icon). Wait for the system to
reboot. At the boot> prompt, hit enter to boot OpenBSD, or
type 'r' to boot Linux. Since you want to install OpenBSD,
this time you will want to type 'r'.
9. Wait while Linux is coming up, then switch to the first tab
(Applications), scroll down, and press the icon which is
labeled "Install OpenBSD". A few seconds later, an OpenBSD
bsd.rd will boot on your Zaurus, so that you can perform the
standard install process.
Another way to install the package is from a shell. You will
need the following file from the distribution on the Zaurus:
openbsd{:--:}OSrev{:--:}_arm.ipk
Perform the following operation as root to install the package,
and then continue as in step 8, above:
{:-#-:} ipkg install openbsd{:--:}OSrev{:--:}_arm.ipk
To install the OpenBSD boot program manually, you will need the
following files from the distribution:
zbsdmod.o
zboot
bsd.rd
After starting up some sort of terminal emulator on the Zaurus
and becoming root, perform the following operation:
# insmod zbsdmod.o
# cp bsd.rd /proc/zboot
A few seconds later, OpenBSD will boot on your Zaurus.
If you already have a bsd.rd or bsd kernel contained in a FFS
partition on the C3x00 hard drive, you can instead use
# insmod zbsdmod.o
# ./zboot
OpenBSDInstallPart2
OpenBSDBootMsgs(,"wd0")
You will next be asked for your terminal type. If you are
installing from a non-serial console, the default of "vt220"
is correct. If you are installing from a serial console
you should choose the terminal type from amongst those listed.
(If your terminal type is xterm, just use vt220.)
OpenBSDInstallPart3
Next you will have to edit or create a disk label for the disk
OpenBSD is being installed on. If there are any existing
partitions defined (for any operating system), and a disk label
is not found, you will first be given an opportunity to run
fdisk and create an OpenBSD partition.
If fdisk is being invoked on your behalf, it will start by
displaying the current partitions defined and then allow you
to modify this information, add new partitions and change
which partition to boot from by default. If you make a mistake,
you will be allowed to repeat this procedure as necessary to
correct this. Note that you should make OpenBSD be the active
partition at least until the install has been completed.
OpenBSDInstallPart4({:- If you have Linux partitions
defined on the disk, these will usually show up as partition
'h', 'i' and so on.-:})
One of the three partitions on the Zaurus C3x00 hard drive is
a 3GB or 5GB MS-DOS filesystem. This partition has application
and user data on it and can be a lot smaller. It is therefore
recommended that you cut most of the space off this large MS-DOS
partition, and create a new A6 partition afterwards, like this:
0: 83 0 3 13 - 1511 7 17 [ 63: 205569 ] Linux files*
1: 83 1512 0 1 - 7559 7 17 [ 205632: 822528 ] Linux files*
2: 0C 7560 0 1 - 9065 7 1 [ 1028160: 204800 ] Win95 FAT32L
3: A6 9065 7 2 - 67885 5 3 [ 1232960: 7999488 ] OpenBSD
After shrinking the MS-DOS partition, you will need to
reformat it from Linux or OpenBSD once OpenBSD is installed.
(You will be reminded of this later in this document)
Note that all OpenBSD partitions in the disk label must have an
offset that makes it start within the OpenBSD part of the disk,
and a size that keeps it inside of that portion of the disk. This
is within the bounds of the 'c' partition if the disk is not being
shared with other operating systems, and within the OpenBSD fdisk
partition if the disk is being shared.
OpenBSDInstallPart5(wd0)
OpenBSDInstallNet({:-CD-ROM, -:},nofloppy)
OpenBSDFTPInstall
OpenBSDHTTPInstall
OpenBSDTAPEInstall
OpenBSDCDROMInstall
OpenBSDDISKInstall({:-"wdN" or -:},,{:-, Linux (ext2) or MS-DOS-:})
OpenBSDCommonFS
OpenBSDCommonURL
OpenBSDCongratulations
If you have kept the MS-DOS partition, do not forget to
newfs it using:
newfs -t msdos /dev/rwd0k
This should be done before attempting to mount and use this
partition from Linux or OpenBSD.
For purposes of recovery in case Linux becomes inoperable for
one reason or another with HDD1 Errors and such, we detail the
process to come up single user:
Remove power and the battery.
Begin holding down the 'b' and 'd' keys.
Wait for 1 minute.
Insert battery and power on unit.
As soon as a login screen starts to show up, release the 'b'
and 'd' keys.
Login as root.
The following sequence is also recommended inside Linux so that
problems will happen less often. By default the boot scripts fail
if the MS-DOS partition is corrupt in any way. If you are already
root do the following, which will skip mounting the MS-DOS partition.
Login as root.
Find the rc.rofilesys file. It is either in
/root/etc/rc.d
cd /root/home/etc/rc.d
Or you have to mount it using:
mount /dev/mtdblock2 /mnt
cd /mnt/home/etc/rc.d
cat rc.rofilesys | sed -e '/vfat/s/^/#/' > vfat
diff -u rc.rofilesys vfat # to double check
cp rc.rofilesys rc.rofilesys.vfat
cp vfat rc.rofilesys
In these cases below we avoid using vi because Linux quality is of
such high caliber that vi locks up the console. If you logged in
multiuser you may be able to use vi.
Please be aware that if you fsck the two Linux partitions on
the disk, they are actually ext3fs partitions and you will thereby
corrupt their journals. This will make them into ext2fs partitions.
Linux will not be able to boot, and you will need to use the
processes below to get to the point where Linux will mount them as
ext2fs partitions:
Login as root.
Find the rc.rofilesys file. It is either in
/root/etc/rc.d
cd /root/home/etc/rc.d
Or you have to mount it using:
mount /dev/mtdblock2 /mnt
cd /mnt/home/etc/rc.d
cat rc.rofilesys | sed -e '/^LINUXFMT=ext3$/s/^/#/' \
-e '/^#LINUXFMT=ext2$/s/^#//' > ext2
diff -u rc.rofilesys ext2 # to double check
cp rc.rofilesys rc.rofilesys.ext3
cp ext2 rc.rofilesys
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