Public bug reported: This is a quantal upgraded from precise, daily updates/upgrades.
apt-get update completes successfully. apt-get upgrade completes successfully. apt-get dist-upgrade : root@precise-X201:~# apt-get dist-upgrade Reading package lists... Done Building dependency tree Reading state information... Done Calculating upgrade... Failed The following packages have unmet dependencies: gnome-control-center : Breaks: metacity (< 1:2.34.2) but 1:2.34.1-1ubuntu11 is to be installed E: Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages. There are no held packages. root@precise-X201:~# lsb_release -rd Description: Ubuntu quantal (development branch) Release: 12.10 root@precise-X201:~# apt-cache policy metacity metacity: Installed: 1:2.34.1-1ubuntu11 Candidate: 1:2.34.3-3ubuntu1 Version table: 1:2.34.3-3ubuntu1 0 500 http://us.archive.ubuntu.com/ubuntu/ quantal-proposed/main amd64 Packages 500 http://sg.archive.ubuntu.com/ubuntu/ quantal-proposed/main amd64 Packages *** 1:2.34.1-1ubuntu11 0 500 http://uk.archive.ubuntu.com/ubuntu/ quantal/main amd64 Packages 100 /var/lib/dpkg/status ProblemType: Bug DistroRelease: Ubuntu 12.10 Package: update-manager 1:0.169 ProcVersionSignature: Ubuntu 3.5.0-11.11-generic 3.5.2 Uname: Linux 3.5.0-11-generic x86_64 ApportVersion: 2.5.1-0ubuntu1 Aptdaemon: Architecture: amd64 Date: Fri Aug 24 10:15:33 2012 GsettingsChanges: b'com.ubuntu.update-manager' b'first-run' b'false' b'com.ubuntu.update-manager' b'launch-time' b'1339681272' b'com.ubuntu.update-manager' b'show-details' b'true' b'com.ubuntu.update-manager' b'window-height' b'587' b'com.ubuntu.update-manager' b'window-width' b'600' InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha amd64 (20111129.1) PackageArchitecture: all ProcEnviron: LANGUAGE=en_SG:en TERM=xterm PATH=(custom, no user) LANG=en_SG.UTF-8 SHELL=/bin/bash SourcePackage: update-manager UpgradeStatus: No upgrade log present (probably fresh install) ** Affects: update-manager (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug quantal -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1040990 Title: E: Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/update-manager/+bug/1040990/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs