[Bug 1653383] Re: Upgrade to 16.4 failed

[Raj Murthy]

Here is the message I get on screen

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.

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https://bugs.launchpad.net/bugs/1653383

Title:
  Upgrade to 16.4 failed

Status in ubuntu-release-upgrader package in Ubuntu:
  New

Bug description:
  I don't know what is happening but my upgrade tool is breaking.
  Probably you will find the reason in report.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: ubuntu-release-upgrader-core 1:0.220.9
  ProcVersionSignature: Ubuntu 3.13.0-107.154-generic 3.13.11-ckt39
  Uname: Linux 3.13.0-107-generic i686
  NonfreeKernelModules: nvidia
  ApportVersion: 2.14.1-0ubuntu3.23
  Architecture: i386
  CrashDB: ubuntu
  CurrentDesktop: Unity
  Date: Sat Dec 31 14:53:46 2016
  EcryptfsInUse: Yes
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to trusty on 2016-12-31 (0 days ago)
  VarLogDistupgradeTermlog:

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