[Bug 1446099] Re: mythbuntu installer crash: Unable to install 'cryptsetup' due to conflicts.

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

** Tags added: ident-mismatch

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https://bugs.launchpad.net/bugs/1446099

Title:
  mythbuntu installer crash: Unable to install 'cryptsetup' due to
  conflicts.

Status in ubiquity package in Ubuntu:
  Incomplete

Bug description:
  The mythbuntu 14.04.02 installer crashes while unpacking packages. It
  has happened exactly the same way twice in a row.

  I chose my own partitioning system, where I installed mythbuntu onto
  an existing partition without formatting it. There was already
  something a bit wierd in the installer because after selecting that
  the existing partition should be mounted as root, I got a message
  saying that changes to the partition table were permanent. However
  there was to be no change to the partition table so I said go back.
  The second time that I went ahead with the changes I got a warning
  about the installer wiping out /lib, /etc from the pre-existing
  partition. This warning seemed more reasonable so I went ahead with
  that.

  All seemed to go well until a few minutes later in the package copying
  phase.

  The key error in ubiquity seems to be as follows:

  ubiquity.install_misc.InstallStepError: Unable to install 'cryptsetup'
  due to conflicts.

  I will note that in the installer the choice to encrypt my home
  partition was greyed out and pre-selected. I could not alter this
  choice during the install.

  It doesn't make any difference if the option to download updates
  during installation is selected or not.

  If I drop to a terminal and manually do apt-get install cryptsetup I
  find out that the problem is that cryptsetup depends on lsb-base
  4.1+Debian11ubuntu7 but version 4.1+Debian11ubuntu6 is going to be
  installed.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: ubiquity 2.18.8.6
  ProcVersionSignature: Ubuntu 3.16.0-30.40~14.04.1-generic 3.16.7-ckt3
  Uname: Linux 3.16.0-30-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.7
  Architecture: amd64
  CasperVersion: 1.340
  Date: Mon Apr 20 09:27:37 2015
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/mythbuntu.seed cdrom-detect/try-usb=true noprompt floppy.allowed_drive_mask=0 ignore_uuid boot=casper only-ubiquity quiet splash --
  LiveMediaBuild: Mythbuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
  ProcEnviron:
   LANGUAGE=en_GB.UTF-8
   TERM=linux
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_GB.UTF-8
  SourcePackage: ubiquity
  UpgradeStatus: No upgrade log present (probably fresh install)

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