[Bug 1903043] Re: package libexpat1-dev 2.2.5-3ubuntu0.2 failed to install/upgrade: failed to stat (dereference) existing symlink '/usr/share/doc/libexpat1-dev/changelog.Debian.gz': Input/output error

[Ubuntu Foundations Team Bug Bot]

Thank you for taking the time to report this bug and helping to make
Ubuntu better.  Reviewing your dmesg attachment in this bug report it
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: expat (Ubuntu)
   Importance: Undecided => Low

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

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https://bugs.launchpad.net/bugs/1903043

Title:
  package libexpat1-dev 2.2.5-3ubuntu0.2 failed to install/upgrade:
  failed to stat (dereference) existing symlink
  '/usr/share/doc/libexpat1-dev/changelog.Debian.gz': Input/output error

Status in expat package in Ubuntu:
  Invalid

Bug description:
  This occurred during an update of Ubuntu 18.04 to 20.04.

  ProblemType: Package
  DistroRelease: Ubuntu 18.04
  Package: libexpat1-dev 2.2.5-3ubuntu0.2
  ProcVersionSignature: Ubuntu 4.15.0-122.124-generic 4.15.18
  Uname: Linux 4.15.0-122-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.19
  Architecture: amd64
  Date: Thu Nov  5 12:55:27 2020
  DuplicateSignature:
   package:libexpat1-dev:2.2.5-3ubuntu0.2
   Unpacking libexpat1-dev:amd64 (2.2.9-1build1) over (2.2.5-3ubuntu0.2) ...
   dpkg: error processing archive /var/cache/apt/archives/libexpat1-dev_2.2.9-1build1_amd64.deb (--unpack):
    failed to stat (dereference) existing symlink '/usr/share/doc/libexpat1-dev/changelog.Debian.gz': Input/output error
  ErrorMessage: failed to stat (dereference) existing symlink '/usr/share/doc/libexpat1-dev/changelog.Debian.gz': Input/output error
  Python3Details: /usr/bin/python3.6, Python 3.6.9, python3-minimal, 3.6.7-1~18.04
  PythonDetails: /usr/bin/python2.7, Python 2.7.17, python-minimal, 2.7.15~rc1-1
  RelatedPackageVersions:
   dpkg 1.19.0.5ubuntu2.3
   apt  1.6.12ubuntu0.1
  SourcePackage: expat
  Title: package libexpat1-dev 2.2.5-3ubuntu0.2 failed to install/upgrade: failed to stat (dereference) existing symlink '/usr/share/doc/libexpat1-dev/changelog.Debian.gz': Input/output error
  UpgradeStatus: Upgraded to bionic on 2020-11-05 (0 days ago)

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