[Bug 1869636] Re: Installer fails during install process

[Chris Guiver]

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

This package failure looks like it was caused by bad ISO download,
corrupted install media, or device failure. eg. look in the logs and
you'll see messages like these :-

Mar 30 00:45:49 ubuntu kernel: [  240.482918] SQUASHFS error: zlib decompression failed, data probably corrupt
Mar 30 00:45:49 ubuntu kernel: [  240.482924] SQUASHFS error: squashfs_read_data failed to read block 0x433e978

Examining the information you have given us, this does not appear to be
a useful bug report so I am closing it, as it appears to be a bad ISO or
faulty device (inc. bad write-to-device). If you believe I'm in error,
please leave a comment explaining why and change the status back to
'New'. I suggest you verify your ISO download, and use the 'check disc
for defects' option to validate your media before install to ensure a
good download & write.

Possibly useful : https://tutorials.ubuntu.com/tutorial/tutorial-how-to-
verify-ubuntu#0 and
https://help.ubuntu.com/community/Installation/CDIntegrityCheck  (where
CD refers to your install media, be it CD, DVD, HDD, SSD, thumb-drive
etc)

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

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https://bugs.launchpad.net/bugs/1869636

Title:
  Installer fails during install process

Status in ubiquity package in Ubuntu:
  Invalid

Bug description:
  Created USB installer from 18.04 Desktop ISO. Installer created in
  19.10.  Installing on Toshiba Satellite A505.  Failed after connecting
  to wifi and trying to install will full erase of hard drive over Linux
  Lite.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: ubiquity 18.04.14.14
  ProcVersionSignature: Ubuntu 5.3.0-28.30~18.04.1-generic 5.3.13
  Uname: Linux 5.3.0-28-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.9
  Architecture: amd64
  CasperVersion: 1.394.3
  CurrentDesktop: ubuntu:GNOME
  Date: Sun Mar 29 18:46:01 2020
  InstallCmdLine: file=/cdrom/preseed/ubuntu.seed boot=casper initrd=/casper/initrd quiet splash --- maybe-ubiquity
  LiveMediaBuild: Ubuntu 18.04.4 LTS "Bionic Beaver" - Release amd64 (20200203.1)
  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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