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[spicemines <2016009@xxxxxxxxxxxxxxxxxx>]

This crash did not occur when testing the daily Noble ISO in build
version 20240201.

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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:
  Confirmed

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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