[Bug 2016009] Re: Installer crashes when quitting in Live session (ValueError: I/O operation on closed file)

[Paul White]

Thank you for taking the time to submit this bug report and making
Ubuntu better.

Ubiquity is now unmaintained, and is replaced by either the Ubuntu
Desktop Installer or Calamares starting with Ubuntu 24.04 LTS.
Therefore, this bug is being closed as 'Invalid'.

If you believe this was done in error, feel free to re-open the bug. If
you have any general questions about Ubuntu, please open a topic on the
Ubuntu Discourse instance: https://discourse.ubuntu.com/.

** Changed in: ubiquity (Ubuntu)
       Status: Confirmed => Invalid

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https://bugs.launchpad.net/bugs/2016009

Title:
  Installer crashes when quitting in Live session (ValueError: I/O
  operation on closed file)

Status in ubiquity package in Ubuntu:
  Invalid

Bug description:
  While testing the daily build of Lunar Lobster (April 12, 2023), I
  launched the installer just to make sure it launched. After launching
  the installer, I clicked the Continue button on the Welcome screen.
  From that point, I clicked the Quit button, confirmed the quit on the
  pop up dialog by clicking the Quit button, and then was presented with
  a Traceback saying, "ValueError: I/O operation on closed file." I have
  attached a screenshot of the traceback. This bug can be reproduced
  every time I launch the installer.

  This bug was first experienced using VirtualBox 7.

  OS:
  Description:	Ubuntu Lunar Lobster (development branch)
  Release:	23.04

  ubiquity:
    Installed: 23.04.6
    Candidate: 23.04.6
    Version table:
   *** 23.04.6 500
          500 http://archive.ubuntu.com/ubuntu lunar/main amd64 Packages
          100 /var/lib/dpkg/status

  ProblemType: Bug
  DistroRelease: Ubuntu 23.04
  Package: ubiquity 23.04.6
  ProcVersionSignature: Ubuntu 6.2.0-20.20-generic 6.2.6
  Uname: Linux 6.2.0-20-generic x86_64
  NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
  ApportVersion: 2.26.0-0ubuntu2
  Architecture: amd64
  CasperMD5CheckResult: pass
  CasperVersion: 1.480
  CurrentDesktop: XFCE
  Date: Wed Apr 12 13:41:31 2023
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/xubuntu.seed maybe-ubiquity quiet splash ---
  LiveMediaBuild: Xubuntu 23.04 "Lunar Lobster" - Daily amd64 (20230412)
  ProcEnviron:
   LANG=en_US.UTF-8
   PATH=(custom, no user)
   SHELL=/bin/bash
   TERM=xterm-256color
   XDG_RUNTIME_DIR=<set>
  SourcePackage: ubiquity
  UpgradeStatus: No upgrade log present (probably fresh install)

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