"input/output error" suggests some hard drive or file system corruption? Do you still have enough space on your root file system? Can you start the computer in rescue mode and do a file system check?
** Package changed: util-linux (Ubuntu) => ubuntu ** Changed in: ubuntu Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to util-linux in Ubuntu. https://bugs.launchpad.net/bugs/1407148 Title: package util-linux 2.20.1-5.1ubuntu20.2 failed to install/upgrade: unable to move aside `./usr/sbin/rtcwake' to install new version: Input/output error Status in Ubuntu: Incomplete Bug description: Automatic ubdates crashed ProblemType: Package DistroRelease: Ubuntu 14.04 Package: util-linux 2.20.1-5.1ubuntu20.2 ProcVersionSignature: Ubuntu 3.13.0-37.64-generic 3.13.11.7 Uname: Linux 3.13.0-37-generic x86_64 ApportVersion: 2.14.1-0ubuntu3.5 Architecture: amd64 Date: Fri Jan 2 21:11:32 2015 DpkgTerminalLog: Preparing to unpack .../util-linux_2.20.1-5.1ubuntu20.3_amd64.deb ... Unpacking util-linux (2.20.1-5.1ubuntu20.3) over (2.20.1-5.1ubuntu20.2) ... dpkg: error processing archive /var/cache/apt/archives/util-linux_2.20.1-5.1ubuntu20.3_amd64.deb (--unpack): unable to move aside `./usr/sbin/rtcwake' to install new version: Input/output error DuplicateSignature: package:util-linux:2.20.1-5.1ubuntu20.2:unable to move aside `./usr/sbin/rtcwake' to install new version: Input/output error ErrorMessage: unable to move aside `./usr/sbin/rtcwake' to install new version: Input/output error InstallationDate: Installed on 2014-10-22 (72 days ago) InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2) SourcePackage: util-linux Title: package util-linux 2.20.1-5.1ubuntu20.2 failed to install/upgrade: unable to move aside `./usr/sbin/rtcwake' to install 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/+bug/1407148/+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