[Bug 1798350] Re: reinstall Ubuntu fails to reuse existing ESP partition

[Ubuntu QA Website]

This bug has been reported on the Ubuntu ISO testing tracker.

A list of all reports related to this bug can be found here:
http://iso.qa.ubuntu.com/qatracker/reports/bugs/1798350

** Tags added: iso-testing

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https://bugs.launchpad.net/bugs/1798350

Title:
  reinstall Ubuntu fails to reuse existing ESP partition

Status in ubiquity package in Ubuntu:
  New

Bug description:
  Test Case:
  1. In UEFI mode perform a first installation of Ubuntu with the following partitioning scheme (adjust the size of the partition to your disk)
  sda1 8G swap
  sda2 10G /boot
  sda3 100G /
  sda4 100G /home
  sda5 20G ESP

  Proceed with the installation and reboot

  2. Do a second installation and select to reinstall Ubuntu (and preserve existing data)
  Continue with installation and reboot

  Actual Result
  The installer complains that it cannot find an existing ESP and asks the user to go back. However if you continue despite all the warnings the installer tries to perform the installation and at some point hangs completely without error. After the installation the existing system doesn't boot because the existing partitions have been wiped but not reinstalled (home has been preserved)

  ProblemType: Bug
  DistroRelease: Ubuntu 18.10
  Package: ubiquity 18.10.12
  ProcVersionSignature: Ubuntu 4.18.0-10.11-generic 4.18.12
  Uname: Linux 4.18.0-10-generic x86_64
  ApportVersion: 2.20.10-0ubuntu13
  Architecture: amd64
  CasperVersion: 1.399
  Date: Wed Oct 17 11:46:27 2018
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed boot=casper only-ubiquity quiet splash ---
  LiveMediaBuild: Ubuntu 18.10 "Cosmic Cuttlefish" - Release amd64 (20181017)
  ProcEnviron:
   TERM=linux
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=C.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubiquity
  UpgradeStatus: No upgrade log present (probably fresh install)

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