John Pierce wrote:
OK, first things first. You quoted a couple of snippets that were
someone else's post, cut my sig out please.
I don't understand what you're talking about. I quoted precisely the
same text Mikkel did to the same email. I didn't change anything.
On 10/17/07, John Summerfield <debian@xxxxxxxxxxxxxxxxxxxxxx> wrote:
John Pierce wrote:
I read the thing for chainload and it seems you need:
rootnoverify (hd1,0)
makeactive
boot
Tried that one, got Error 8: Kernel must be loaded before booting.
It's trivial: I don't have one set up at present, but it's like this
stanza booting Windows:
title Windows XP Professional
rootnoverify (hd0,0)
chainloader (hd0,0)+1
Tried this one, got Error 15: Invalid or unsupported executable format.
I am going to re-read the info grub again and see if I can make heads
or tails of it.
I did tell you to translate. the fact that that's a working example from
my laptop does not mean it works exactly as coded for yours.
I did translate as you suggested, I changed the necessary info to make
it suit my needs and did this from the grub line editor at boot time.
I tried various incarnations of that theme including omitting lines
completely and adding new ones.
Precisely what did you do?
A skill you need to acquire is to boot with grub without a menu. Use the
documentation to create a grub floppy or CD and learn to use it. You can
then boot almost anything.
I posted to both this thread and a new post that I solved the problem
by placing the mandriva grub on /dev/sdb1 rather than the mbr of
/dev/sdb. My menu option in the fedora menu.lst is as follows:
title Mandriva GRUB
rootnoverify (hd1,0)
makeactive
chainloader +1
This makes the grub installed by mandriva load and present the menu
entries from it associated menu.lst located on /dev/sdb1.
I am also going to tell you that unless you built your own version and
set some uncommon options it is not possible to call the grub that is
on a second drives mbr. Just specifying rootnoverify (hd1)
makeactive
chainloader or chainloader +1
boot
will result in an exception being thrown. From grubs own
documentation all of the examples of booting other os's indicate that
the alternative boot loaders are embedded in the first sector of the
boot partition.
I don't have a system to had with two bootable drives, but I just
verified this works on a bog-standard Fedora 7 system:
root (hd0)
chainloader +1
boot
makeactive does nothing useful for Linux, but you do need it for the DOS
family of operating systems.
I only asked the question originally because during the mandriva
install I allowed the installer to place grub on the sdb mbr, I setup
That should work perfectly well with this;
root (hd1)
chainloader +1
boot
in your Fedora menu, and I can see how one might read the grub
documentation I have on my Scientific Linux system and conclude that's
exactly what is needed.
stanza to it with what I thought would have worked and it did not.
After all of the feedback, I concluded that it was not possible, so I
went into mandriva setup utility and had it reinstall the grub on
sdb1.
Despite my rant, thank you and everyone else for your input. I always
find the fedora list helpful even when somewhat off topic.
I also subscribed to the grub2 dev list, as I did not see a link to
the grub-legacy list on the front page of the grub site. When I posed
the question there I got a nice email informing me that I was
submitting to the grub 2 and not grub-legacy list, if I posted that on
the grub-legacy list the sender would gladly answer my question. In
my opinion if he was going to bother typing, just answer the question.
So be it.
If someone sees you "getting away" with posting to the wrong list,
others will follow suit and the list will become hijacked. You will see
the same response here and on many other lists from time to time (and
quite likely less politely).
A -dev list is not for asking questions about how to use the software,
it's typically for those hacking or wanting to hack on the source, and
sometimes for discussing possible bugs.
--
Cheers
John
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