package openssh-client 1:7.2p2-4ubuntu2.6 failed to install/upgrade: unable to make backup link of './usr/lib/openssh/ssh-keysign' before installing new version: Input/output error

[Christopher Cianflone]

Failed during upgrade via terminal.

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: openssh-client 1:7.2p2-4ubuntu2.6
ProcVersionSignature: Ubuntu 4.15.0-43.46~16.04.1-generic 4.15.18
Uname: Linux 4.15.0-43-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.18
Architecture: amd64
Date: Wed Jul 6 21:26:50 2022
DuplicateSignature:
 package:openssh-client:1:7.2p2-4ubuntu2.6
 Unpacking openssh-client (1:7.2p2-4ubuntu2.10) over (1:7.2p2-4ubuntu2.6) ...
 dpkg: error processing archive /var/cache/apt/archives/openssh-client_1%3a7.2p2-4ubuntu2.10_amd64.deb (--unpack):
  unable to make backup link of './usr/lib/openssh/ssh-keysign' before installing new version: Input/output error
ErrorMessage: unable to make backup link of './usr/lib/openssh/ssh-keysign' before installing new version: Input/output error
RelatedPackageVersions:
 ssh-askpass N/A
 libpam-ssh N/A
 keychain N/A
 ssh-askpass-gnome N/A
SSHClientVersion: OpenSSH_7.2p2 Ubuntu-4ubuntu2.6, OpenSSL 1.0.2g 1 Mar 2016
SourcePackage: openssh
Title: package openssh-client 1:7.2p2-4ubuntu2.6 failed to install/upgrade: unable to make backup link of './usr/lib/openssh/ssh-keysign' before installing new version: Input/output error
UpgradeStatus: No upgrade log present (probably fresh install)

[Seth Arnold (seth-arnold)]

Just a quick heads up, this might be filesystem corruption, this might be hardware error.. I suggest trying to get backups of the data you care about, quickly.

Thanks