This thread on international user list might serve as reference: https://lists.debian.org/debian-user/2014/03/msg01313.html
This system is a mix of jessie and sid, grub2 was on version 2.02~beta2-7, same as OP. Filesystem is ext4. System installed using default guided lvm partition scheme with /boot outside and separate /home, swap and /. -- André N. Batista GNUPG/PGP KEY: 6722CF80
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