[Bug 1632666] Re: ubuntu 14.04 upgrade to 16.04 An unresolvable problem occurred while calculating the upgrade.

zhengwei@zhengwei-OptiPlex-7010:~$ do-release-upgrade -c Checking for a new Ubuntu release New release '16.04.1 LTS' available. Run 'do-release-upgrade' to upgrade to it. zhengwei@zhengwei-OptiPlex-7010:~$ do-release-upgrade Checking for a new Ubuntu release Get:1 Upgrade tool signature [198 B]

[Bug 1632666] [NEW] ubuntu 14.04 upgrade to 16.04 An unresolvable problem occurred while calculating the upgrade.

Public bug reported: after upgrade packages exe do-release-upgrade abort sudo apt-get update sudo apt-get upgrade sudo apt-get dist-upgrade do-release-upgrade ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: ubuntu-release-upgrader-core 1:0.220.8 ProcVersionSignature: Ubuntu 3.13.0-98.145-

[Bug 1632665] [NEW] ubuntu 14.04 upgrade to 16.04 An unresolvable problem occurred while calculating the upgrade.

Public bug reported: after upgrade packages exe do-release-upgrade abort sudo apt-get update sudo apt-get upgrade sudo apt-get dist-upgrade do-release-upgrade ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: ubuntu-release-upgrader-core 1:0.220.8 ProcVersionSignature: Ubuntu 3.13.0-98.145-