I fixed this by:
1. mv /boot/grub/device.map /boot/grub/device.map.old 2. grub-mkdevicemap 3. update-grub2 && grub-install /dev/sda && grub-install /dev/sdb
Not sure how the device map/config were corrupted by 1.99~20101124-1ubuntu1.
I fixed this by:
1. mv /boot/grub/ device. map /boot/grub/ device. map.old
2. grub-mkdevicemap
3. update-grub2 && grub-install /dev/sda && grub-install /dev/sdb
Not sure how the device map/config were corrupted by 1.99~20101124- 1ubuntu1.