[Bug 1861537] Re: installer crashes when it is "creating partitions" or "calculating files to skip copying"

[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 :-

Feb  1 00:06:48 xubuntu kernel: [  343.040592] SQUASHFS error: zlib decompression failed, data probably corrupt
Feb  1 00:06:48 xubuntu kernel: [  343.040596] SQUASHFS error: squashfs_read_data failed to read block 0x1121749

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/1861537

Title:
  installer crashes when it is "creating partitions" or "calculating
  files to skip copying"

Status in ubiquity package in Ubuntu:
  Invalid

Bug description:
  I believe that the installer crashes at the points listed in the
  title, but I cannot be for sure. But those are the things that it is
  saying at the time it crashes.

  If it is not listed, I am trying to install to a single NVMe drive,
  and it is the only one. I am able to install Ubuntu (vanilla), but
  Xubuntu and Kubuntu and KDE Neon do this same exact thing, with the
  same exact error.

  Xubuntu 19.10

  ProblemType: Bug
  DistroRelease: Ubuntu 19.10
  Package: ubiquity 19.10.21
  ProcVersionSignature: Ubuntu 5.3.0-18.19-generic 5.3.1
  Uname: Linux 5.3.0-18-generic x86_64
  NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
  ApportVersion: 2.20.11-0ubuntu8
  Architecture: amd64
  CasperVersion: 1.427
  Date: Fri Jan 31 19:09:49 2020
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/xubuntu.seed quiet splash ---
  LiveMediaBuild: Xubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017)
  SourcePackage: ubiquity
  UpgradeStatus: No upgrade log present (probably fresh install)

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