Quoting Miles Fidelman (mfidelman@ntcorp.com):
Package: installation-reports
Severity: important
Tags: d-i
system has two mirrored disks, /dev/md0 is boot, /dev/md2 is root
selecting grub-legacy, and specifying either /dev/hda or (hd0) for installation
results in a menu.lst file with the line
groot=(md0) and all of the boot sections starting with root (md0)
at boot time, grub throws an error - it (corretly) doesn't recognize md0 as a
proper construction
editing menu.lst to read
groot=(hd0,0)
and running update-grub
leads to a correct and functional menu.lst
Which image did you use for this?
How did you proceed to setupthis in the partitioning step.
We need that information in order to try reproducing the problem