[Bug 1843658] Re: package zlib1g 1:1.2.8.dfsg-2ubuntu4 failed to install/upgrade: trying to overwrite shared '/usr/share/doc/zlib1g/changelog.Debian.gz', which is different from other instances of package zlib1g:amd64

[Ubuntu Foundations Team Bug Bot]

Thank you for taking the time to report this bug and helping to make
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seems that there is a problem with your hardware.  I recommend
performing a back up and then investigating the situation.  Measures you
might take include checking cable connections and using software tools
to investigate the health of your hardware.  In the event that is is not
in fact an error with your hardware please set the bug's status back to
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** Tags added: hardware-error

** Changed in: zlib (Ubuntu)
   Importance: Undecided => Low

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

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Title:
  package zlib1g 1:1.2.8.dfsg-2ubuntu4 failed to install/upgrade: trying
  to overwrite shared '/usr/share/doc/zlib1g/changelog.Debian.gz', which
  is different from other instances of package zlib1g:amd64

Status in zlib package in Ubuntu:
  Invalid

Bug description:
  (Reading database ... 603754 files and directories currently installed.)
  Preparing to unpack .../zlib1g_1%3a1.2.8.dfsg-2ubuntu4.1_amd64.deb ...
  Unpacking zlib1g:amd64 (1:1.2.8.dfsg-2ubuntu4.1) over (1:1.2.8.dfsg-2ubuntu4) ...
  dpkg: error processing archive /var/cache/apt/archives/zlib1g_1%3a1.2.8.dfsg-2ubuntu4.1_amd64.deb (--unpack):
   trying to overwrite shared '/usr/share/doc/zlib1g/changelog.Debian.gz', which is different from other instances of package zlib1g:amd64
  Processing triggers for libc-bin (2.23-0ubuntu10) ...
  Errors were encountered while processing:
   /var/cache/apt/archives/zlib1g_1%3a1.2.8.dfsg-2ubuntu4.1_amd64.deb
  E: Sub-process /usr/bin/dpkg returned an error code (1)

  ProblemType: Package
  DistroRelease: Ubuntu 16.04
  Package: zlib1g 1:1.2.8.dfsg-2ubuntu4
  ProcVersionSignature: Ubuntu 4.15.0-55.60~16.04.2-generic 4.15.18
  Uname: Linux 4.15.0-55-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.19
  AptOrdering:
   zlib1g: Install
   zlib1g: Configure
   zlib1g: Configure
   NULL: ConfigurePending
  Architecture: amd64
  Date: Thu Sep 12 08:47:03 2019
  Dependencies:
   gcc-6-base 6.0.1-0ubuntu1
   libc6 2.23-0ubuntu11
   libgcc1 1:6.0.1-0ubuntu1
  DpkgHistoryLog:
   Start-Date: 2019-09-12  08:46:40
   Commandline: apt-get -f install
   Requested-By: seisinv (1000)
   Upgrade: zlib1g:amd64 (1:1.2.8.dfsg-2ubuntu4, 1:1.2.8.dfsg-2ubuntu4.1)
  DpkgTerminalLog:
   Preparing to unpack .../zlib1g_1%3a1.2.8.dfsg-2ubuntu4.1_amd64.deb ...
   Unpacking zlib1g:amd64 (1:1.2.8.dfsg-2ubuntu4.1) over (1:1.2.8.dfsg-2ubuntu4) ...
   dpkg: error processing archive /var/cache/apt/archives/zlib1g_1%3a1.2.8.dfsg-2ubuntu4.1_amd64.deb (--unpack):
    trying to overwrite shared '/usr/share/doc/zlib1g/changelog.Debian.gz', which is different from other instances of package zlib1g:amd64
  DuplicateSignature:
   package:zlib1g:1:1.2.8.dfsg-2ubuntu4
   Unpacking zlib1g:amd64 (1:1.2.8.dfsg-2ubuntu4.1) over (1:1.2.8.dfsg-2ubuntu4) ...
   dpkg: error processing archive /var/cache/apt/archives/zlib1g_1%3a1.2.8.dfsg-2ubuntu4.1_amd64.deb (--unpack):
    trying to overwrite shared '/usr/share/doc/zlib1g/changelog.Debian.gz', which is different from other instances of package zlib1g:amd64
  ErrorMessage: trying to overwrite shared '/usr/share/doc/zlib1g/changelog.Debian.gz', which is different from other instances of package zlib1g:amd64
  InstallationDate: Installed on 2017-06-02 (831 days ago)
  InstallationMedia: Ubuntu 16.04.2 LTS "Xenial Xerus" - Release amd64 (20170215.2)
  RelatedPackageVersions:
   dpkg 1.18.4ubuntu1.3
   apt  1.2.29ubuntu0.1
  SourcePackage: zlib
  Title: package zlib1g 1:1.2.8.dfsg-2ubuntu4 failed to install/upgrade: trying to overwrite shared '/usr/share/doc/zlib1g/changelog.Debian.gz', which is different from other instances of package zlib1g:amd64
  UpgradeStatus: No upgrade log present (probably fresh install)

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