package apt 1.6.1 failed to install/upgrade: unable to stat './usr/share/bash-completion/completions/apt' (which I was about to install): Input/output error

[Brian]

All info has been provided in the report

ProblemType: Package
DistroRelease: Ubuntu 18.04
Package: apt 1.6.1
ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17
Uname: Linux 4.15.0-20-generic x86_64
ApportVersion: 2.20.9-0ubuntu7
Architecture: amd64
Date: Mon Nov 19 09:27:23 2018
DpkgTerminalLog:
 Preparing to unpack .../archives/apt_1.6.6_amd64.deb ...
 Unpacking apt (1.6.6) over (1.6.1) ...
 dpkg: error processing archive /var/cache/apt/archives/apt_1.6.6_amd64.deb (--unpack):
  unable to stat './usr/share/bash-completion/completions/apt' (which I was about to install): Input/output error
DuplicateSignature:
 package:apt:1.6.1
 Unpacking apt (1.6.6) over (1.6.1) ...
 dpkg: error processing archive /var/cache/apt/archives/apt_1.6.6_amd64.deb (--unpack):
  unable to stat './usr/share/bash-completion/completions/apt' (which I was about to install): Input/output error
ErrorMessage: unable to stat './usr/share/bash-completion/completions/apt' (which I was about to install): Input/output error
InstallationDate: Installed on 2018-11-11 (8 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
Python3Details: /usr/bin/python3.6, Python 3.6.6, python3-minimal, 3.6.5-3ubuntu1
PythonDetails: /root/Error: command ['which', 'python'] failed with exit code 1:, Error: [Errno 2] No such file or directory: "/root/Error: command ['which', 'python'] failed with exit code 1:": "/root/Error: command ['which', 'python'] failed with exit code 1:", unpackaged
RelatedPackageVersions:
 dpkg 1.19.0.5ubuntu2.1
 apt 1.6.1
SourcePackage: apt
Title: package apt 1.6.1 failed to install/upgrade: unable to stat './usr/share/bash-completion/completions/apt' (which I was about to install): Input/output error
UpgradeStatus: No upgrade log present (probably fresh install)

[Ubuntu Foundations Team Bug Bot (crichton)]

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 New. Thanks and good luck!

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