This is still happening in Ubuntu 12.04 LTS.
With the following lines in preseed:
d-i grub-installer/only_debian boolean true d-i grub-installer/with_other_os boolean true
it still prompts that grub was not installed.
This is still happening in Ubuntu 12.04 LTS.
With the following lines in preseed:
d-i grub-installer/ only_debian boolean true with_other_ os boolean true
d-i grub-installer/
it still prompts that grub was not installed.