[Bug 1910880] Re: Installing Ubuntu, fresh install, mac-mini mid 2011

[Chris Guiver]

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

This package failure was due to problems with your installation media,
and subsequent squashfs errors encountered reading data from it, eg.
look in the logs and you'll see messages like these :-

Jan 10 00:10:20 ubuntu kernel: [ 2357.029342] SQUASHFS error: zlib decompression failed, data probably corrupt
Jan 10 00:10:20 ubuntu kernel: [ 2357.029346] SQUASHFS error: squashfs_read_data failed to read block 0x20e6ba30

Usually this means an invalid ISO, or a bad write to your install media,
usually detected during the ISO validation (prior to write;
https://tutorials.ubuntu.com/tutorial/tutorial-how-to-verify-ubuntu#0)
or the CasperMD5CheckResult which actually passed in your case.
Problems can also occur if using a VM with insufficient RAM supplied.

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https://bugs.launchpad.net/bugs/1910880

Title:
  Installing Ubuntu, fresh install, mac-mini mid 2011

Status in ubiquity package in Ubuntu:
  New

Bug description:
  The installation fails while writing to the hard drive. I've nothing
  in front of me, that closed when launching the web link to send the
  report. What more do you need?

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: ubiquity 20.04.15.2
  ProcVersionSignature: Ubuntu 5.4.0-42.46-generic 5.4.44
  Uname: Linux 5.4.0-42-generic x86_64
  NonfreeKernelModules: wl zfs zunicode zavl icp zcommon znvpair
  ApportVersion: 2.20.11-0ubuntu27.4
  Architecture: amd64
  CasperMD5CheckResult: pass
  CasperVersion: 1.445.1
  Date: Sat Jan  9 18:10:59 2021
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed maybe-ubiquity quiet splash ---
  LiveMediaBuild: Ubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731)
  SourcePackage: ubiquity
  UpgradeStatus: No upgrade log present (probably fresh install)

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