Public bug reported: Attempting to upgrade my 64-bit 11.10 system to 12.04, I encountered the following error message:
<quote> Could not calculate the upgrade An unresolvable problem occurred while calculating the upgrade: E:Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages. This can be caused by: * Upgrading to a pre-release version of Ubuntu * Running the current pre-release version of Ubuntu * Unofficial software packages not provided by Ubuntu If none of this applies, then please report this bug using the command 'ubuntu-bug update-manager' in a terminal. </quote> First I removed old package configuration files using the instructions here: http://tuxtweaks.com/2011/09/remove-old-package-configuration-files-in- ubuntu/ ...but this didn't help. My /etc/apt/sources.list looks like this: $ grep -v "^#" /etc/apt/sources.list deb http://ie.archive.ubuntu.com/ubuntu/ oneiric main restricted deb-src http://ie.archive.ubuntu.com/ubuntu/ oneiric main restricted deb http://ie.archive.ubuntu.com/ubuntu/ oneiric-updates main restricted deb-src http://ie.archive.ubuntu.com/ubuntu/ oneiric-updates main restricted deb http://ie.archive.ubuntu.com/ubuntu/ oneiric universe deb-src http://ie.archive.ubuntu.com/ubuntu/ oneiric universe deb http://ie.archive.ubuntu.com/ubuntu/ oneiric-updates universe deb-src http://ie.archive.ubuntu.com/ubuntu/ oneiric-updates universe deb http://ie.archive.ubuntu.com/ubuntu/ oneiric multiverse deb-src http://ie.archive.ubuntu.com/ubuntu/ oneiric multiverse deb http://ie.archive.ubuntu.com/ubuntu/ oneiric-updates multiverse deb-src http://ie.archive.ubuntu.com/ubuntu/ oneiric-updates multiverse deb http://security.ubuntu.com/ubuntu oneiric-security main restricted deb-src http://security.ubuntu.com/ubuntu oneiric-security main restricted deb http://security.ubuntu.com/ubuntu oneiric-security universe deb-src http://security.ubuntu.com/ubuntu oneiric-security universe deb http://security.ubuntu.com/ubuntu oneiric-security multiverse deb-src http://security.ubuntu.com/ubuntu oneiric-security multiverse deb http://extras.ubuntu.com/ubuntu oneiric main deb-src http://extras.ubuntu.com/ubuntu oneiric main deb-src http://archive.canonical.com/ubuntu maverick partner ...and my /etc/apt/sources.list.d looks like this: $ ls -l apt/sources.list.d total 84 -rw-r--r-- 1 root root 142 2012-04-28 21:24 cinelerra-ppa-ppa-oneiric.list -rw-r--r-- 1 root root 138 2012-04-28 21:22 cinelerra-ppa-ppa-oneiric.list.distUpgrade -rw-r--r-- 1 root root 140 2012-04-28 21:24 cinelerra-ppa-ppa-oneiric.list.save -rw-r--r-- 1 root root 84 2012-04-28 21:24 dropbox.list -rw-r--r-- 1 root root 84 2012-04-28 21:22 dropbox.list.distUpgrade -rw-r--r-- 1 root root 84 2012-04-28 21:24 dropbox.list.save -rw-r--r-- 1 root root 176 2012-04-28 21:24 google-chrome.list -rw-r--r-- 1 root root 176 2012-04-28 21:22 google-chrome.list.distUpgrade -rw-r--r-- 1 root root 176 2012-04-28 21:24 google-chrome.list.save -rw-r--r-- 1 root root 175 2012-04-28 21:24 google-earth.list -rw-r--r-- 1 root root 175 2012-04-28 21:22 google-earth.list.distUpgrade -rw-r--r-- 1 root root 175 2012-04-28 21:24 google-earth.list.save -rw-r--r-- 1 root root 180 2012-04-28 21:24 google-talkplugin.list -rw-r--r-- 1 root root 180 2012-04-28 21:22 google-talkplugin.list.distUpgrade -rw-r--r-- 1 root root 180 2012-04-28 21:24 google-talkplugin.list.save -rw-r--r-- 1 root root 208 2012-04-28 21:24 pcf-miro-releases-natty.list -rw-r--r-- 1 root root 208 2012-04-28 21:22 pcf-miro-releases-natty.list.distUpgrade -rw-r--r-- 1 root root 208 2012-04-28 21:24 pcf-miro-releases-natty.list.save -rw-r--r-- 1 root root 228 2012-04-28 21:24 stebbins-handbrake-releases-natty.list -rw-r--r-- 1 root root 228 2012-04-28 21:22 stebbins-handbrake-releases-natty.list.distUpgrade -rw-r--r-- 1 root root 228 2012-04-28 21:24 stebbins-handbrake-releases-natty.list.save ...so I stripped all of the non-standard sources back to the basics on the "Other Software" tab of the "Software Sources" dialog. The only "Other Software" source left checked were: Independent (binaries and source) Canonical Partners (binaries and source) http://dl.google.com/linux/chrome/deb/ stable main Once again I tried to upgrade, once again it failed with the error outlined above. ProblemType: Bug DistroRelease: Ubuntu 11.10 Package: update-manager 1:0.152.25.9 ProcVersionSignature: Ubuntu 3.0.0-17.30-generic 3.0.22 Uname: Linux 3.0.0-17-generic x86_64 NonfreeKernelModules: nvidia ApportVersion: 1.23-0ubuntu4 Architecture: amd64 Date: Sat Apr 28 21:03:54 2012 InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110426) PackageArchitecture: all ProcEnviron: LANGUAGE=en_IE:en PATH=(custom, user) LANG=en_IE.UTF-8 SHELL=/bin/bash SourcePackage: update-manager UpgradeStatus: Upgraded to oneiric on 2012-04-28 (0 days ago) ** Affects: update-manager (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug dist-upgrade oneiric running-unity -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/990735 Title: Upgrade from 11.10 to 12.04 fails with error "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/990735/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
