I'm seeing a similar problem with Lucid.
$ sudo fdisk -l /dev/sda
...
Device Boot Start End Blocks Id System
/dev/sda1 1 1217 9775521 27 Unknown
/dev/sda2 * 1218 4796 28748317+ 7 HPFS/NTFS
/dev/sda3 4797 4829 265072+ 83 Linux
/dev/sda4 4830 48641 351919890 8e Linux LVM
In this case:
sda1 is the original Sony Windows Vista Recovery/Re-installation partition.
sda2 is Windows Vista
sda3 is the Linux /boot/ partition
sda4 is the LVM PV containing numerous logical volumes.
/boot/grub/grub.cfg contains:
### BEGIN /etc/grub.d/30_os-prober ###
menuentry "Windows Vista (loader) (on /dev/sda1)" {
insmod ntfs
set root='(hd0,1)'
search --no-floppy --fs-uuid --set cce61747e61730e6
chainloader +1
}
menuentry "Windows Recovery Environment (loader) (on /dev/sda2)" {
insmod ntfs
set root='(hd0,2)'
search --no-floppy --fs-uuid --set e6e08581e0855927
drivemap -s (hd0) ${root}
chainloader +1
}
### END /etc/grub.d/30_os-prober ###
When update-grub is running during the package upgrade the console
shows:
Found Windows Vista (loader) on /dev/sda1
Found Windows Recovery Environment (loader) on /dev/sda2
done
--
Grub2 fails to properly identify Windows and Compaq recovery partitions
https://bugs.launchpad.net/bugs/476625
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