[Bug 1571153] [NEW] Unable to upgrate to 15.10 from 14.04

Public bug reported: Removed PPA from source list but unable to uprgade ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: ubuntu-release-upgrader-core 1:0.220.8 ProcVersionSignature: Ubuntu 3.13.0-85.129-generic 3.13.11-ckt36 Uname: Linux 3.13.0-85-generic x86_64 ApportVersion: 2.14.1-0ubuntu

[Bug 1571141] [NEW] Unable to upgrate to 15.10 from 14.04

Public bug reported: Unable to upgrade to 15.10 ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: ubuntu-release-upgrader-core 1:0.220.8 ProcVersionSignature: Ubuntu 3.13.0-85.129-generic 3.13.11-ckt36 Uname: Linux 3.13.0-85-generic x86_64 ApportVersion: 2.14.1-0ubuntu3.20 Architecture: amd64

[Bug 1559622] [NEW] Unable to upgrate to 15.10 from 14.04

Public bug reported: 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