[Bug 1931307] Re: the installation is not being completely done. whethe the installer is crushing or installation is failed showing a message about CD or DVD problem.

[Chris Guiver]

Thank you for taking the time to report this bug and helping to make
Ubuntu better.

Bug reporting is mostly about finding & fixing problems thus preventing
future users from hitting the same bug.

I suspect a Support site would be more appropriate, eg.
https://answers.launchpad.net/ubuntu. You can also find help with your
problem in the support forum of your local Ubuntu community
http://loco.ubuntu.com/ or asking at https://askubuntu.com or
https://ubuntuforums.org, or for more support options please look at
https://discourse.ubuntu.com/t/community-support/709

ps:  I see numerous IO errors
Jun  8 21:34:45 ubuntu kernel: [   21.974415] EXT4-fs warning (device sda5): ext4_clear_journal_err:5332: Filesystem error recorded from previous mount: IO failure
Jun  8 21:41:02 ubuntu kernel: [  769.580328] FAT-fs (sda1): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.

VMs if given insufficient resources can have trouble working correctly
(with issues such as reading installation media (CD) one symptom), but
Oracle (who own/create virtualbox) say it's a user error, not product
error.  Thus my support suggestion.

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https://bugs.launchpad.net/bugs/1931307

Title:
  the installation is not being completely done. whethe the installer is
  crushing or installation is failed showing a message about CD or DVD
  problem.

Status in ubiquity package in Ubuntu:
  New

Bug description:
  I am receiving two types of messages. one is "The installer
  encountered error copying file to the hard disk: ......" and the other
  "Installer crashed". I can't install Ubuntu in my vm virtualbox.

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: ubiquity 20.04.15.10
  ProcVersionSignature: Ubuntu 5.8.0-43.49~20.04.1-generic 5.8.18
  Uname: Linux 5.8.0-43-generic x86_64
  NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
  ApportVersion: 2.20.11-0ubuntu27.16
  Architecture: amd64
  CasperMD5CheckResult: pass
  CasperVersion: 1.445.1
  CurrentDesktop: ubuntu:GNOME
  Date: Wed Jun  9 03:44:07 2021
  InstallCmdLine: file=/cdrom/preseed/ubuntu.seed initrd=/casper/initrd quiet splash --- maybe-ubiquity
  LiveMediaBuild: Ubuntu 20.04.2.0 LTS "Focal Fossa" - Release amd64 (20210209.1)
  ProcEnviron:
   LANGUAGE=en_US.UTF-8
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   LC_NUMERIC=C.UTF-8
  SourcePackage: ubiquity
  UpgradeStatus: No upgrade log present (probably fresh install)

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