Subject: Re: Dual booting OS9.1 and Linux with ybin
From: Tim ODriscoll (tim@StokePogesWay.demon.co.uk)
Date: Wed Dec 12 2001 - 05:37:12 MST
Hi Patrick,
Thanks for the reply.
I've managed to fix it, with ybin. It seems I was using the old
bootstrap method with the HFS partition. Once I'd removed that and added
the special Apple-bootstrap type (and renumbered the partitions so the
bootstrap was #2), it all came together.
A couple of hairy bootups with my distro's CD in between partitioning as
pdisk et al failed to re-read the table, but otherwise it went well.
Now to claim back that 32Mb of HFS (old bootstrap) :) ...
Cheers,
Tim
On Wed, 12 Dec 2001, Patrick Ladam wrote:
> Tim ODriscoll wrote:
>
> > Hi everyone,
> >
> > I've set up yaboot.conf to give me a menu at bootup for MacOS9.1 or Linux.
> >
> > Trouble is that when I go into MacOS, it seems to reset the boot device in
> > OF so that if I want to go into Linux again, I have to do the
> > command-option-O-F boot sequence and tell OF to do it manually.
> >
> > I'm not much of a MacOS person, but I've tried digging around in the
> > Extensions folder to find a reference to Drive Setup or something, but to
> > no avail.
> >
> > Does a setting exist to stop MacOS from over writing OF at every boot?
> >
> > Thanks,
> >
> > Tim
>
> Hi Tim,
> I have been thru this too and managed to fix this up. Please refer to a mail
> that I have posted
> in this list a few weeks ago. It's title is 'Ybin inst failure on B/W G3 Rev 1:
> SOLVED!!!!!!'
> My problem came from an additional SCSI card that messed up yabin.
>
> Ho even better, here is the text of this mail:
>
> -----------------------------------------------------------------
>
> Hi people,
>
> Finally I got ybin to work on my B/W G3, I got some help from Ethan
>
> Benson (author of yaboot) and of course from all the people here
>
> in the mail-list that helped me to track that problem down.
>
> Here is how I could solve this:
>
> 1) Re-initialize the PRAM (holding Alt+Apple+p+r upon reboot).
>
> My PRAM had a few variables not correctly set (I messed them
>
> playing too much in the OF probably...).
>
> 2) Choose (Re-choose) my startup disk with the startup-disk
>
> control panel in MacOS. This is very important as it revives
>
> the correct boot-device in the OF.
>
> 3) Go back in the OF and read what your boot-device actually is
>
> thanks to step 2. At this point you might check if everything
>
> is OK by simply typing 'boot' in the OF (not mac-boot), if all
>
> is fine it should boot MacOS. Otherwise go back to 1) and 2).
>
> 4) Now in the OF simply change the end of the boot device variable
>
> from :\\"tbxi to ofboot.b or yaboot
>
> 5) Go back into linux using the CD and run MacOnLinux, you should
>
> see you bootstrap partition mounted on the Mac desktop. You can
>
> then edit and change your ofboot.b and change the boot-device
>
> parameters as required.
>
> 6) Reboot and enjoy yaboot...
>
> I have to precise that I have a second non-bootable ADAPTEC SCSI
>
> card for external drives. After discussion with Ethan Benson it
>
> might be possible that ofpath (a routine in ybin) does not see
>
> the internal SCSI card correctly because of this additional external
>
> card. The other possibility is that my P-RAM and boot-device were
>
> set completely wrong in the OF and ofpath got miss-guided because
>
> of this. I have some home-work to do by Ethan to check that out
>
> and I will keep you informed with all hardware information too
>
> (boot-device, additional card...I don't have it with me today).
>
> ThanX to all that gave me a helping hand!!!
>
> Long Live TUX!!!
>
> --
> ------------------------------------------------------------------
> | Patrick LADAM | |
> | Laboratoire CSSB | THE BIG BANG THEORY: |
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> | Tel: 01 48 38 77 26 / 76 85 | |
> | Fax: 01 48 38 77 77 | |
> ------------------------------------------------------------------
>
>
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