Public bug reported: this is the output of the command "sudo do-release-upgrade"
Checking for a new Ubuntu release Get:1 Upgrade tool signature [198 B] Get:2 Upgrade tool [1,229 kB] Fetched 1,229 kB in 0s (0 B/s) authenticate 'wily.tar.gz' against 'wily.tar.gz.gpg' extracting 'wily.tar.gz' Reading cache ^N Checking package manager Reading package lists... Done Building dependency tree Reading state information... Done Building data structures... Done Ign http://it.archive.ubuntu.com trusty InRelease Hit http://it.archive.ubuntu.com trusty-updates InRelease Hit http://it.archive.ubuntu.com trusty Release.gpg Hit http://it.archive.ubuntu.com trusty Release Hit http://security.ubuntu.com trusty-security InRelease Hit http://it.archive.ubuntu.com trusty-updates/main amd64 Packages Hit http://it.archive.ubuntu.com trusty-updates/restricted amd64 Packages Hit http://it.archive.ubuntu.com trusty-updates/universe amd64 Packages Hit http://it.archive.ubuntu.com trusty-updates/multiverse amd64 Packages Hit http://it.archive.ubuntu.com trusty-updates/main i386 Packages Hit http://security.ubuntu.com trusty-security/main amd64 Packages Hit http://it.archive.ubuntu.com trusty-updates/restricted i386 Packages Hit http://security.ubuntu.com trusty-security/restricted amd64 Packages Hit http://it.archive.ubuntu.com trusty-updates/universe i386 Packages Hit http://it.archive.ubuntu.com trusty-updates/multiverse i386 Packages Hit http://security.ubuntu.com trusty-security/universe amd64 Packages Hit http://it.archive.ubuntu.com trusty-updates/main Translation-en Hit http://security.ubuntu.com trusty-security/multiverse amd64 Packages Hit http://it.archive.ubuntu.com trusty-updates/multiverse Translation-en Hit http://security.ubuntu.com trusty-security/main i386 Packages Hit http://it.archive.ubuntu.com trusty-updates/restricted Translation-en Hit http://it.archive.ubuntu.com trusty-updates/universe Translation-en Hit http://security.ubuntu.com trusty-security/restricted i386 Packages Hit http://it.archive.ubuntu.com trusty/main amd64 Packages Hit http://security.ubuntu.com trusty-security/universe i386 Packages Hit http://it.archive.ubuntu.com trusty/restricted amd64 Packages Hit http://security.ubuntu.com trusty-security/multiverse i386 Packages Hit http://security.ubuntu.com trusty-security/main Translation-en Hit http://security.ubuntu.com trusty-security/multiverse Translation-en Hit http://it.archive.ubuntu.com trusty/universe amd64 Packages Hit http://it.archive.ubuntu.com trusty/multiverse amd64 Packages Hit http://security.ubuntu.com trusty-security/restricted Translation-en Hit http://it.archive.ubuntu.com trusty/main i386 Packages Hit http://security.ubuntu.com trusty-security/universe Translation-en Hit http://it.archive.ubuntu.com trusty/restricted i386 Packages Hit http://it.archive.ubuntu.com trusty/universe i386 Packages Hit http://it.archive.ubuntu.com trusty/multiverse i386 Packages Err http://it.archive.ubuntu.com trusty/main Translation-en_US Hit http://it.archive.ubuntu.com trusty/main Translation-en Err http://it.archive.ubuntu.com trusty/multiverse Translation-en_US Hit http://it.archive.ubuntu.com trusty/multiverse Translation-en Err http://it.archive.ubuntu.com trusty/restricted Translation-en_US Hit http://it.archive.ubuntu.com trusty/restricted Translation-en Err http://it.archive.ubuntu.com trusty/universe Translation-en_US Hit http://it.archive.ubuntu.com trusty/universe Translation-en Err http://it.archive.ubuntu.com trusty/main Translation-en_US Err http://it.archive.ubuntu.com trusty/multiverse Translation-en_US Err http://it.archive.ubuntu.com trusty/restricted Translation-en_US Err http://it.archive.ubuntu.com trusty/universe Translation-en_US Err http://it.archive.ubuntu.com trusty/main Translation-en_US Err http://it.archive.ubuntu.com trusty/multiverse Translation-en_US Err http://it.archive.ubuntu.com trusty/restricted Translation-en_US Err http://it.archive.ubuntu.com trusty/universe Translation-en_US Err http://it.archive.ubuntu.com trusty/main Translation-en_US Err http://it.archive.ubuntu.com trusty/multiverse Translation-en_US Err http://it.archive.ubuntu.com trusty/restricted Translation-en_US Err http://it.archive.ubuntu.com trusty/universe Translation-en_US Ign http://it.archive.ubuntu.com trusty/main Translation-en_US Ign http://it.archive.ubuntu.com trusty/multiverse Translation-en_US Ign http://it.archive.ubuntu.com trusty/restricted Translation-en_US Ign http://it.archive.ubuntu.com trusty/universe Translation-en_US Fetched 0 B in 0s (0 B/s) Reading package lists... Done Building dependency tree Reading state information... Done Building data structures... Done Updating repository information Hit http://it.archive.ubuntu.com wily InRelease Hit http://it.archive.ubuntu.com wily-updates InRelease Hit http://security.ubuntu.com wily-security InRelease Hit http://it.archive.ubuntu.com wily/main amd64 Packages Hit http://it.archive.ubuntu.com wily/restricted amd64 Packages Hit http://it.archive.ubuntu.com wily/universe amd64 Packages Hit http://security.ubuntu.com wily-security/main amd64 Packages Hit http://it.archive.ubuntu.com wily/multiverse amd64 Packages Hit http://it.archive.ubuntu.com wily/main i386 Packages Hit http://security.ubuntu.com wily-security/restricted amd64 Packages Hit http://it.archive.ubuntu.com wily/restricted i386 Packages Hit http://it.archive.ubuntu.com wily/universe i386 Packages Hit http://security.ubuntu.com wily-security/universe amd64 Packages Hit http://it.archive.ubuntu.com wily/multiverse i386 Packages Hit http://security.ubuntu.com wily-security/multiverse amd64 Packages Hit http://it.archive.ubuntu.com wily/main Translation-en Hit http://it.archive.ubuntu.com wily/multiverse Translation-en Hit http://security.ubuntu.com wily-security/main i386 Packages Hit http://it.archive.ubuntu.com wily/restricted Translation-en Hit http://security.ubuntu.com wily-security/restricted i386 Packages Hit http://it.archive.ubuntu.com wily/universe Translation-en Hit http://it.archive.ubuntu.com wily-updates/main amd64 Packages Hit http://security.ubuntu.com wily-security/universe i386 Packages Hit http://it.archive.ubuntu.com wily-updates/restricted amd64 Packages Hit http://it.archive.ubuntu.com wily-updates/universe amd64 Packages Hit http://security.ubuntu.com wily-security/multiverse i386 Packages Hit http://it.archive.ubuntu.com wily-updates/multiverse amd64 Packages Hit http://security.ubuntu.com wily-security/main Translation-en Hit http://security.ubuntu.com wily-security/multiverse Translation-en Hit http://security.ubuntu.com wily-security/restricted Translation-en Hit http://it.archive.ubuntu.com wily-updates/main i386 Packages Hit http://security.ubuntu.com wily-security/universe Translation-en Hit http://it.archive.ubuntu.com wily-updates/restricted i386 Packages Hit http://it.archive.ubuntu.com wily-updates/universe i386 Packages Hit http://it.archive.ubuntu.com wily-updates/multiverse i386 Packages Hit http://it.archive.ubuntu.com wily-updates/main Translation-en Hit http://it.archive.ubuntu.com wily-updates/multiverse Translation-en Hit http://it.archive.ubuntu.com wily-updates/restricted Translation-en Hit http://it.archive.ubuntu.com wily-updates/universe Translation-en Fetched 0 B in 6s (7,644 kB/s) Checking package manager Reading package lists... Done Building dependency tree Reading state information... Done Building data structures... Done Calculating the changes Calculating the changes Could not calculate the upgrade An unresolvable problem occurred while calculating the upgrade. 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 ubuntu-release-upgrader-core' in a terminal. Restoring original system state Aborting Reading package lists... Done Building dependency tree Reading state information... Done Building data structures... Done ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: ubuntu-release-upgrader-core 1:0.220.8 ProcVersionSignature: Ubuntu 3.19.0-49.55~14.04.1-generic 3.19.8-ckt12 Uname: Linux 3.19.0-49-generic x86_64 NonfreeKernelModules: fglrx ApportVersion: 2.14.1-0ubuntu3.19 Architecture: amd64 CrashDB: ubuntu CurrentDesktop: Unity Date: Fri Feb 5 10:18:54 2016 InstallationDate: Installed on 2015-10-06 (122 days ago) InstallationMedia: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805) PackageArchitecture: all SourcePackage: ubuntu-release-upgrader UpgradeStatus: Upgraded to trusty on 2016-02-05 (0 days ago) mtime.conffile..etc.update.manager.release.upgrades: 2016-02-05T10:03:51.047919 ** Affects: ubuntu-release-upgrader (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug dist-upgrade trusty -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1542222 Title: cannot advance from 14.04 LTS to 15.10 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1542222/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs