[Bug 1694446] [NEW] Installer crashes when trying to upgrade 32-bit system to 64-bit

[Gervase Markham]

Public bug reported:

I was surprised when Ubuntu let me try and upgrade a 32-bit 14.04 to a
64-bit 16.04. Is that supported? If not, it should be stopped with an
error early on. If it is supported, then, well, I got this crash. Of
course, it may not be related, and the 32/64 thing may be a
coincidence...

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: ubiquity 2.21.63.3 [modified: lib/partman/automatically_partition/question]
ProcVersionSignature: Ubuntu 4.8.0-36.36~16.04.1-generic 4.8.11
Uname: Linux 4.8.0-36-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.5
Architecture: amd64
CasperVersion: 1.376.2
Date: Tue May 30 14:54:56 2017
InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/ubuntu.seed boot=casper quiet splash ---
LiveMediaBuild: Ubuntu 16.04.2 LTS "Xenial Xerus" - Release amd64 (20170215.2)
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-2.21.63.3 ubuntu xenial

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https://bugs.launchpad.net/bugs/1694446

Title:
  Installer crashes when trying to upgrade 32-bit system to 64-bit

Status in grub-installer package in Ubuntu:
  New

Bug description:
  I was surprised when Ubuntu let me try and upgrade a 32-bit 14.04 to a
  64-bit 16.04. Is that supported? If not, it should be stopped with an
  error early on. If it is supported, then, well, I got this crash. Of
  course, it may not be related, and the 32/64 thing may be a
  coincidence...

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: ubiquity 2.21.63.3 [modified: lib/partman/automatically_partition/question]
  ProcVersionSignature: Ubuntu 4.8.0-36.36~16.04.1-generic 4.8.11
  Uname: Linux 4.8.0-36-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.5
  Architecture: amd64
  CasperVersion: 1.376.2
  Date: Tue May 30 14:54:56 2017
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/ubuntu.seed boot=casper quiet splash ---
  LiveMediaBuild: Ubuntu 16.04.2 LTS "Xenial Xerus" - Release amd64 (20170215.2)
  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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