This bug was fixed in the package grub-installer - 1.78ubuntu26
--------------- grub-installer (1.78ubuntu26) vivid; urgency=medium
* Revert changes from 1.78ubuntu25: * grub_probe(): return a single line in BTRFS multi-disk RAID configurations - It breaks bootloader install on LVM. (LP: #1427821) -- Mathieu Trudel-Lapierre <email address hidden> Tue, 10 Mar 2015 15:33:01 -0400
This bug was fixed in the package grub-installer - 1.78ubuntu26
---------------
grub-installer (1.78ubuntu26) vivid; urgency=medium
* Revert changes from 1.78ubuntu25:
* grub_probe(): return a single line in BTRFS multi-disk RAID configurations
- It breaks bootloader install on LVM. (LP: #1427821)
-- Mathieu Trudel-Lapierre <email address hidden> Tue, 10 Mar 2015 15:33:01 -0400