[Bug 1873999] Re: Failed to install with todays daily

[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 :-

Apr 21 05:11:13 ubuntu kernel: [  421.799625] SQUASHFS error: zlib decompression failed, data probably corrupt
Apr 21 05:11:13 ubuntu kernel: [  421.799627] SQUASHFS error: squashfs_read_data failed to read block 0x358cd78c

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.

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

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https://bugs.launchpad.net/bugs/1873999

Title:
  Failed to install with todays daily

Status in ubiquity package in Ubuntu:
  Invalid

Bug description:
  Using todays daily iso, Ubuntu failed to install. I did select
  download updates, but did not select download drivers.

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: ubiquity 20.04.14
  ProcVersionSignature: Ubuntu 5.4.0-25.29-generic 5.4.30
  Uname: Linux 5.4.0-25-generic x86_64
  NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
  ApportVersion: 2.20.11-0ubuntu27
  Architecture: amd64
  CasperMD5CheckMismatches: ./boot/grub/efi.img ./casper/filesystem.squashfs
  CasperMD5CheckResult: fail
  CasperVersion: 1.445
  CurrentDesktop: ubuntu:GNOME
  Date: Mon Apr 20 21:11:30 2020
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed maybe-ubiquity quiet splash nomodeset ---
  LiveMediaBuild: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200420)
  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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