leejadsl at eircom
Feb 13, 2005, 12:14 PM
Post #1 of 2
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I am currently in the middle (close to the end really) of a thorny
Gentoo installation. I believe I have the system fully installed, but I
have had difficulty with getting it to boot to yaBoot, or indeed any
boot loader now.
I've done a Stage 3 installation from a Universal CD on an Apple G5. I
have two hard-disks, dual processor 2.5 GHz if that is relevant.
On a quick and casual reading of some Mac websites I saw methods for
editing the 'nvram' parameters which could let me pass boot-arguments so
I thought this would be a way for the OS X BootX to redirect itself to
what it sees as /dev/rdisk1 or what Gentoo calls /dev/sdb2, which is my
bootstrap which should be used by yaBoot-static.
I used a sudo command to edit my boot arguments and now I can't get
anything to boot. I'm sending this from my pc.
I gave it:
sudo nvram boot-args="rd=*hd:2"
or at least that's how I remember it. The problem with this seems to be
that the count, naturally enough, starts from zero. So it's looking for
my non-existant third hard-drive to find a boot partition. When I turn
on it goes to a standard white and grey screen with the apple logo,
meaning I think, that it is going into BootX. The next step is it
prints a screen of white text on a black background which I can't
remember too well, but it goes looking for hd:2 and says something to
the effect of 'Waiting for root device' or 'No response from root device'.
And that's it.
I have a few bootable CDs, the Ubuntu, the Gentoo Universal CD, Mandrake
and Debian (which have never booted for me), and a Disk Warrior 3 cd
which also isn't bootable despite what it claimed. But even getting
into a usuable interface, I need a way to edit BootX to take out any
boot parameters.
I also am somewhat confused because working in the terminal I saw that
what Gentoo considers /dev/sdb2 is to the Mac /dev/rdisk1. This
equivocation will most likely cause me further problems in getting the
boot sequence rectified.
I will post this to both this list, and to a Mac forum as it's more
specifically a Mac issue, not Gentoo, but any advice or assistance would
be greatly appreciated as I can't even turn on my computer at the moment.
Jon
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