[Bug 1723633] [NEW] Can't install to md RAID1 in EFI mode

[Tony Travis]

Public bug reported:

EFI install to md RAID1 with separate FAT32 /boot/efi partition

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: ubiquity 2.21.63.4
ProcVersionSignature: Ubuntu 4.10.0-28.32~16.04.2-generic 4.10.17
Uname: Linux 4.10.0-28-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.10
Architecture: amd64
CasperVersion: 1.376.2
Date: Sat Oct 14 18:33:44 2017
InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/ubuntu-mate.seed boot=casper quiet splash ---
LiveMediaBuild: Ubuntu-MATE 16.04.3 LTS "Xenial Xerus" - Release amd64 (20170801)
ProcEnviron:
 LANGUAGE=en_GB.UTF-8
 PATH=(custom, no user)
 LANG=en_GB.UTF-8
 SHELL=/bin/bash
SourcePackage: grub-installer
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: grub-installer (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug ubiquity-2.21.63.4 ubuntu-mate xenial

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https://bugs.launchpad.net/bugs/1723633

Title:
  Can't install to md RAID1 in EFI mode

Status in grub-installer package in Ubuntu:
  New

Bug description:
  EFI install to md RAID1 with separate FAT32 /boot/efi partition

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: ubiquity 2.21.63.4
  ProcVersionSignature: Ubuntu 4.10.0-28.32~16.04.2-generic 4.10.17
  Uname: Linux 4.10.0-28-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.10
  Architecture: amd64
  CasperVersion: 1.376.2
  Date: Sat Oct 14 18:33:44 2017
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/ubuntu-mate.seed boot=casper quiet splash ---
  LiveMediaBuild: Ubuntu-MATE 16.04.3 LTS "Xenial Xerus" - Release amd64 (20170801)
  ProcEnviron:
   LANGUAGE=en_GB.UTF-8
   PATH=(custom, no user)
   LANG=en_GB.UTF-8
   SHELL=/bin/bash
  SourcePackage: grub-installer
  UpgradeStatus: No upgrade log present (probably fresh install)

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