Broken for me in Lucid too, on setup from the i386 Alternate CD.
====================================
Unable to install GRUB in /dev/md1
Executing 'grub-install /dev/md1 failed'
This is a fatal error
====================================
Manual setup succeeded in the alternate CD repair chroot using grub-install /dev/sda repeated for /dev/sdb.
Broken for me in Lucid too, on setup from the i386 Alternate CD. ======= ======= ======= ======= = ======= ======= ======= ======= =
=======
Unable to install GRUB in /dev/md1
Executing 'grub-install /dev/md1 failed'
This is a fatal error
=======
Manual setup succeeded in the alternate CD repair chroot using grub-install /dev/sda repeated for /dev/sdb.