Daniel B. Thurman wrote:
I have successfully arranged Grubs in the following way:
-Primary--Primary--Primary--Extended---------------------------------->
[boot-sys] [boot-f8] [boot-f9] [ [root-f8] [root-f9] [f-App1] [swap] ]
boot-sys:
================================================
[...]
#boot=/dev/sda
timeout=10
default=saved
splashimage=(hd0,0)/grub/splash.xpm.gz
#hiddenmenu
title Fedora 8
norootverify (hd0,1)
chainloader +1
title Fedora 9
norootverify (hd0,2)
chainloader +1
================================================
boot-sys has grub/grub.conf but no initrd/kernels installed
and boot-f8/9 partitions has the normal initrd/kernel/grub.conf
installed. It all works great.
But on a different system, I tried a different setup:
-Primary--Primary--Primary--Extended---------------------------------->
[ XP ] [ Vista ] [boot-sys] [ [w-app1] [boot-f9] [boot-f10]
[root-f9] [root-f10] [f-App1] [swap] ]
boot-sys:
- I left the original f9 xinitrd/kermel/grub.conf in boot-sys and
modified boot-sys's grub.conf as follows:
boot-sys:
================================================
[...]
#boot=/dev/sda
timeout=10
default=saved
splashimage=(hd0,2)/grub/splash.xpm.gz
#hiddenmenu
title Fedora 9
norootverify (hd0,4)
chainloader +1
savedefault
title Fedora (2.6.26.5-45.fc9.i686)
root (hd0,4)
kernel /vmlinuz-2.6.26.5-45.fc9.i686 ro root=LABEL=root-f9 rhgb
quiet
initrd /initrd-2.6.26.5-45.fc9.i686.img
savedefault
================================================
I can boot F9 via the second title definition, but when I attempt
to boot using the first title definition (using chainloader +1),
grub complains:
Error 13: Invalid or unsupported executable format
Thinking that the chainloader +1 was not finding the right
partition, I assumed that +1 means to locate the next partition,
so I tried values of 2,3,4, and 5 and they all reported the same
error.
I wonder if perhaps grub is unable to reach the partition beyond
a fixed size (my MB+BIOs is as new as 2 months ago, so I surmise
it isn't a BIOS limitation), or grub cannot reach into extended
partitions, or if it can, maybe I will need to move the boot-fX
to the beginning of the extended partitions. In any case, I know
that moving boot-fX into it's own primary partitions works but
then I won't be able to add XP or Vista into its own primary
partitions and would have to get a second drive separating
windows from Fedora which I know will work.
But I'd prefer to not to buy a second drive at this time, so the
question is, does anyone have any idea what is going on or
have any suggestions how to get this to work?
Sigh. I figured it out by reading through my notes from a previous
posting I made some time ago. The step I forgot was to mark
each of boot partitions with grub's setup command.
Sorry for this posting,
Dan
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