booting fedora 11 from a fedora 10 grub?

[James Allsopp]

Hi,
I've got a machine with three hard-drives in it. two sata and one ide. I've
a fedora 10 (upgraded from 9) on the first sata drive, and I've installed
fedora 11 on the second sata drive. The machine boots off the first of these
drives and the ide one contains windows. I copied the lines out of grub.conf
on the f11 disk, and copied them to the grub.conf of the first disk, and
reinstalled. However, f10 boots fine, f11 doesn't boot. and grub gives me an
error 17.

The lines from the f11 grub.conf are
default=0
timeout=5
splashimage=(hd1,0)/grub/splash.xpm.gz
hiddenmenu
title Fedora (2.6.29.4-167.fc11.x86_64)
    root (hd1,0)
    kernel /vmlinuz-2.6.29.4-167.fc11.x86_64 ro
root=UUID=7ba6f364-68c2-4dad-a54e-18c3464b0eb5 rhgb quiet
    initrd /initrd-2.6.29.4-167.fc11.x86_64.img
title Other
    rootnoverify (hd2,0)
    chainloader +1
title Fedora 10
    rootnoverify (hd0,0)
    chainloader +1

and I've copied the f11 section into the f10 grub.conf,
title Fedora 11 64-bit
    root (hd1,0)
    kernel /vmlinuz-2.6.29.4-167.fc11.x86_64 ro
root=UUID=7ba6f364-68c2-4dad-a54e-18c3464b0eb5 rhgb quiet
    initrd /initrd-2.6.29.4-167.fc11.x86_64.img

Not sure if it's to do with how root is written, whether I'm using an older
version of grub (GNU GRUB 0.97) or what. The full f10 grub.conf is below.
Everything is ext3 except \ on the f11.

Thanks for any help or suggestions;
Jim
# grub.conf generated by anaconda
#
# Note that you do not have to rerun grub after making changes to this file
# NOTICE:  You have a /boot partition.  This means that
#          all kernel and initrd paths are relative to /boot/, eg.
#          root (hd1,0)
#          kernel /vmlinuz-version ro root=/dev/VolGroup00/LogVol00
#          initrd /initrd-version.img
#boot=/dev/sdb
default=0
timeout=5
splashimage=(hd0,0)/grub/splash.xpm.gz
hiddenmenu
title Fedora (2.6.27.30-170.2.82.fc10.i686)
    root (hd0,0)
    kernel /vmlinuz-2.6.27.30-170.2.82.fc10.i686 ro
root=/dev/VolGroup00/LogVol00 rhgb quiet vga=0x318
    initrd /initrd-2.6.27.30-170.2.82.fc10.i686.img
title Fedora Hopefully(2.6.27.29-170.2.78.fc10.i686.PAE)
    root (hd0,0)
    kernel /vmlinuz-2.6.27.29-170.2.78.fc10.i686.PAE ro
root=/dev/VolGroup00/LogVol00 rhgb quiet vga=0x318
    initrd /initrd-2.6.27.29-170.2.78.fc10.i686.PAE.img
title Fedora (2.6.27.29-170.2.78.fc10.i686)
    root (hd0,0)
    kernel /vmlinuz-2.6.27.29-170.2.78.fc10.i686 ro
root=/dev/VolGroup00/LogVol00 rhgb quiet vga=0x318
    initrd /initrd-2.6.27.29-170.2.78.fc10.i686.img
title Fedora (2.6.27.25-170.2.72.fc10.i686.PAE)
    root (hd0,0)
    kernel /vmlinuz-2.6.27.25-170.2.72.fc10.i686.PAE ro
root=/dev/VolGroup00/LogVol00 rhgb quiet vga=0x318
    initrd /initrd-2.6.27.25-170.2.72.fc10.i686.PAE.img
title Fedora (2.6.27.25-170.2.72.fc10.i686)
    root (hd0,0)
    kernel /vmlinuz-2.6.27.25-170.2.72.fc10.i686 ro
root=/dev/VolGroup00/LogVol00 rhgb quiet vga=0x318
    initrd /initrd-2.6.27.25-170.2.72.fc10.i686.img

title Fedora 11 64-bit
    root (hd1,0)
    kernel /vmlinuz-2.6.29.4-167.fc11.x86_64 ro
root=UUID=7ba6f364-68c2-4dad-a54e-18c3464b0eb5 rhgb quiet
    initrd /initrd-2.6.29.4-167.fc11.x86_64.img
title Other
    rootnoverify (hd2,0)
    chainloader +1
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