[Bug 1423830] Re: Trusty -> Vivid upgrade via live DVD froze (UEFI dual boot)

[Erick Brunzell]

This does effect vanilla Ubuntu Trusty (14.04.2), Utopic, and Vivid.

Also this time I set up a simple installation of 12.04.5 on bare metal,
no dual boot, I just let the installer erase the whole 160GB GPT disc so
I had only a 510MB /boot/efi partition + / & SWAP.

As I've played more and more with UEFI installations it seems clear that
somehow the installer fails to recognize the existing /boot/efi
partition and complains that no "EFI boot partition" exists.

After clicking on go back the installer lands me in the advanced
partitioner and you can clearly see in the two combined screenshots that
/boot/efi does exist.

** Attachment added: "upgrade_fail_comp.png"
   https://bugs.launchpad.net/ubuntu/+source/ubiquity/+bug/1423830/+attachment/4397117/+files/upgrade_fail_comp.png

** Tags added: trusty utopic

** Summary changed:

- Trusty -> Vivid upgrade via live DVD froze (UEFI dual boot)
+ Upgrades via live DVD on UEFI systems falsely claim no EFI boot partition exists

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https://bugs.launchpad.net/bugs/1423830

Title:
  Upgrades via live DVD on UEFI systems falsely claim no EFI boot
  partition exists

Status in ubiquity package in Ubuntu:
  New

Bug description:
  I'm not altogether certain what happened here because I'm almost
  totally new to the whole EFI boot process but I was testing Ubuntu
  GNOME Vivid 20150219 amd64 to see how we now handle upgrades via iso
  in a dual boot with Windows and the upgrade/installation froze saying,
  "Removing conflicting operating system files....".

  I sent myself several pictures via PM because I couldn't "kill"
  ubiquity - top doesn't even show it running - so I'll follow up more
  later. I am attaching one screenshot of the frozen process.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: ubiquity 2.21.11
  ProcVersionSignature: Ubuntu 3.18.0-13.14-generic 3.18.5
  Uname: Linux 3.18.0-13-generic x86_64
  ApportVersion: 2.16.1-0ubuntu2
  Architecture: amd64
  CasperVersion: 1.351
  CurrentDesktop: GNOME
  Date: Fri Feb 20 02:27:54 2015
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/ubuntu-gnome.seed boot=casper quiet splash --
  LiveMediaBuild: Ubuntu-GNOME 15.04 "Vivid Vervet" - Alpha amd64 (20150219)
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubiquity
  UpgradeStatus: No upgrade log present (probably fresh install)

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