grub can't install on LUKS without /boot partition, which is not needed with UEFI

Bug #1507220 reported by Tom on 2015-10-17
This bug affects 5 people
Affects Status Importance Assigned to Milestone
grub-installer (Ubuntu)

Bug Description

why can't it be simple to install *ubuntu dual boot with Windows 8.1 on GPT with UEFI no secure boot with an encrypted swap and / inside an encrypted LUKS container?

ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: ubiquity 2.21.25 [modified: lib/partman/automatically_partition/question]
ProcVersionSignature: Ubuntu 3.19.0-15.15-generic 3.19.3
Uname: Linux 3.19.0-15-generic x86_64
ApportVersion: 2.17.2-0ubuntu1
Architecture: amd64
CasperVersion: 1.360
CurrentDesktop: KDE
Date: Sat Oct 17 18:23:18 2015
InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/kubuntu.seed boot=casper maybe-ubiquity quiet splash ---
LiveMediaBuild: Kubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
SourcePackage: grub-installer
UpgradeStatus: No upgrade log present (probably fresh install)

Tom (tfhiggins) wrote :
Phillip Susi (psusi) wrote :

Looks like a simple configuration change is needed:

grub-install: error: attempt to install to encrypted disk without cryptodisk enabled. Set `GRUB_ENABLE_CRYPTODISK=1' in file `/etc/default/grub'..

summary: - attempting install to crypto LUKS w/ win 8.1 GPT UEFI can't install GRUB
- yet??
+ grub can't install on LUKS without /boot partition, which is not needed
+ with UEFI
Changed in grub-installer (Ubuntu):
importance: Undecided → Medium
status: New → Triaged
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