#3 > Are you running from a cdrom/flash drive?
Yes. And trying to run $ sudo apt upgrade as well where inevitably the issue described at #2 occurs for at least this package and libgl1-mesa-dri:i386 and the solution to proceed is to delete the referenced file and continue. -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to krb5 in Ubuntu. https://bugs.launchpad.net/bugs/1884366 Title: package libkrb5-3 1.16-2build1 failed to install/upgrade: unable to make backup link of './usr/lib/i386-linux-gnu/libkrb5.so.3.3' before installing new version: Input/output error Status in krb5 package in Ubuntu: Invalid Bug description: Unable to update or upgrade libkrb5-3:i386 at 18.04 i386 $ sudo apt install libkrb5-3:i386 Reading package lists... Done Building dependency tree Reading state information... Done The following additional packages will be installed: libgssapi-krb5-2 libkrb5support0 Suggested packages: krb5-doc krb5-user The following packages will be upgraded: libgssapi-krb5-2 libkrb5-3 libkrb5support0 3 upgraded, 0 newly installed, 0 to remove and 723 not upgraded. Need to get 467 kB of archives. After this operation, 0 B of additional disk space will be used. Do you want to continue? [Y/n] Get:1 http://security.ubuntu.com/ubuntu bionic-security/main i386 libkrb5support0 i386 1.16-2ubuntu0.1 [32.5 kB] Get:2 http://security.ubuntu.com/ubuntu bionic-security/main i386 libgssapi-krb5-2 i386 1.16-2ubuntu0.1 [132 kB] Get:3 http://security.ubuntu.com/ubuntu bionic-security/main i386 libkrb5-3 i386 1.16-2ubuntu0.1 [303 kB] Fetched 467 kB in 2s (300 kB/s) (Reading database ... 250947 files and directories currently installed.) Preparing to unpack .../libkrb5support0_1.16-2ubuntu0.1_i386.deb ... Unpacking libkrb5support0:i386 (1.16-2ubuntu0.1) over (1.16-2build1) ... Preparing to unpack .../libgssapi-krb5-2_1.16-2ubuntu0.1_i386.deb ... Unpacking libgssapi-krb5-2:i386 (1.16-2ubuntu0.1) over (1.16-2build1) ... Preparing to unpack .../libkrb5-3_1.16-2ubuntu0.1_i386.deb ... Unpacking libkrb5-3:i386 (1.16-2ubuntu0.1) over (1.16-2build1) ... dpkg: error processing archive /var/cache/apt/archives/libkrb5-3_1.16-2ubuntu0.1_i386.deb (--unpack): unable to make backup link of './usr/lib/i386-linux-gnu/libkrb5.so.3.3' before installing new version: Input/output error Errors were encountered while processing: /var/cache/apt/archives/libkrb5-3_1.16-2ubuntu0.1_i386.deb E: Sub-process /usr/bin/dpkg returned an error code (1) ProblemType: Package DistroRelease: Ubuntu 18.04 Package: libkrb5-3 1.16-2build1 ProcVersionSignature: Ubuntu 4.15.0-20.21-lowlatency 4.15.17 Uname: Linux 4.15.0-20-lowlatency i686 ApportVersion: 2.20.9-0ubuntu7 AptOrdering: libkrb5support0:i386: Install libgssapi-krb5-2:i386: Install libkrb5-3:i386: Install NULL: ConfigurePending Architecture: i386 CasperVersion: 1.394 Date: Sat Jun 20 13:02:48 2020 ErrorMessage: unable to make backup link of './usr/lib/i386-linux-gnu/libkrb5.so.3.3' before installing new version: Input/output error LiveMediaBuild: Ubuntu-Studio 18.04 LTS "Bionic Beaver" - Release i386 (20180426) Python3Details: /usr/bin/python3.6, Python 3.6.5, python3-minimal, 3.6.5-3 PythonDetails: /usr/bin/python2.7, Python 2.7.15rc1, python-minimal, 2.7.15~rc1-1 RelatedPackageVersions: dpkg 1.19.0.5ubuntu2 apt 1.6.1 SourcePackage: krb5 Title: package libkrb5-3 1.16-2build1 failed to install/upgrade: unable to make backup link of './usr/lib/i386-linux-gnu/libkrb5.so.3.3' before installing new version: Input/output error UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/krb5/+bug/1884366/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp