I have placed some informations on how to workaround some known issues with this experimental systemd package.
Especially, see "Workaround #2: Failures on software-upgrades". - Sedat - [1] https://wiki.ubuntu.com/systemd#Workarounds -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to cups in Ubuntu. https://bugs.launchpad.net/bugs/1008837 Title: cups fails to install/upgrade with systemd Status in “cups” package in Ubuntu: Invalid Bug description: Cups refused to upgrade, so removed the package and tried to reinstall, same message as when trying to install an upgrade. ProblemType: Package DistroRelease: Ubuntu 12.04 Package: cups 1.5.3-0ubuntu1 ProcVersionSignature: Ubuntu 3.2.0-24.39-generic 3.2.16 Uname: Linux 3.2.0-24-generic i686 ApportVersion: 2.0.1-0ubuntu8 Architecture: i386 CupsErrorLog: Date: Tue Jun 5 06:09:34 2012 ErrorMessage: subprocess installed post-installation script returned error exit status 1 InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012) Lpstat: Error: command ['lpstat', '-v'] failed with exit code 1: lpstat: Connection refused MachineType: Hewlett-Packard HP Compaq 6715b (GB835ET#ABU) Papersize: a4 PccardctlIdent: Socket 0: no product info available PccardctlStatus: Socket 0: no card ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-24-generic root=UUID=373f14b5-e5dc-43a6-9e8d-4e53ad21d1f1 ro quiet splash vt.handoff=7 SourcePackage: cups Title: package cups 1.5.3-0ubuntu1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1 UpgradeStatus: Upgraded to precise on 2012-04-28 (37 days ago) dmi.bios.date: 07/16/2007 dmi.bios.vendor: Hewlett-Packard dmi.bios.version: 68YTT Ver. F.07 dmi.board.name: 30C2 dmi.board.vendor: Hewlett-Packard dmi.board.version: KBC Version 71.28 dmi.chassis.asset.tag: CNU7261L1F dmi.chassis.type: 10 dmi.chassis.vendor: Hewlett-Packard dmi.modalias: dmi:bvnHewlett-Packard:bvr68YTTVer.F.07:bd07/16/2007:svnHewlett-Packard:pnHPCompaq6715b(GB835ET#ABU):pvrF.07:rvnHewlett-Packard:rn30C2:rvrKBCVersion71.28:cvnHewlett-Packard:ct10:cvr: dmi.product.name: HP Compaq 6715b (GB835ET#ABU) dmi.product.version: F.07 dmi.sys.vendor: Hewlett-Packard To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/1008837/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp

