[Bug 1838911] Re: Cannot fresh install 19.04 on top of ssd with previous 18.04 installation

[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 a corrupted file
system, or device failure. eg. look in the logs and you'll see messages
like these :-

Aug  4 23:10:25 ubuntu kernel: [  481.623419] SQUASHFS error: zlib decompression failed, data probably corrupt
Aug  4 23:10:25 ubuntu kernel: [  481.623426] SQUASHFS error: squashfs_read_data failed to read block 0x38f611

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 faulty
device (or 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 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/1838911

Title:
  Cannot fresh install 19.04 on top of ssd with previous 18.04
  installation

Status in ubiquity package in Ubuntu:
  Invalid

Bug description:
  Just got an error when trying to start installation of 19.04. The
  target disk has a previous 18.04 installation (disk is encrypted)

  ProblemType: Bug
  DistroRelease: Ubuntu 19.04
  Package: ubiquity 19.04.9
  ProcVersionSignature: Ubuntu 5.0.0-13.14-generic 5.0.6
  Uname: Linux 5.0.0-13-generic x86_64
  ApportVersion: 2.20.10-0ubuntu27
  Architecture: amd64
  CasperVersion: 1.405
  CurrentDesktop: ubuntu:GNOME
  Date: Sun Aug  4 20:11:06 2019
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed boot=casper only-ubiquity quiet splash nomodeset ---
  LiveMediaBuild: Ubuntu 19.04 "Disco Dingo" - Release amd64 (20190416)
  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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