I can confirm/reproduce this bug Somehow I managed to miss this bug so the one I reported [1] seems to be a duplicate. In my case I reverted to 1.98 as in debian sid, but I got the same problem with an intel soft-raid in an sony vaio with SSD disks
[1] https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/700431
I can confirm/reproduce this bug
Somehow I managed to miss this bug so the one I reported [1] seems to be a duplicate.
In my case I reverted to 1.98 as in debian sid, but I got the same problem with an intel soft-raid in an sony vaio with SSD disks
[1] https:/ /bugs.launchpad .net/ubuntu/ +source/ grub2/+ bug/700431