Comment 9 for bug 1388511

Eric,

  Thank you very much for answering. ROS is exactly what caused it in my
case. I since removed ROS, and I am currently running 15.04 as I type this
message right now.

~Todd

On Tue, Apr 28, 2015 at 3:18 PM, Eric <email address hidden> wrote:

> People say that ROS is the issue, so I am removing it now, and if you
> didn’t know, you have to type
> "sudo apt-get remove ros-*"
> OR
> "sudo apt-get purge ros-*"
>
> --
> You received this bug notification because you are subscribed to a
> duplicate bug report (1409745).
> https://bugs.launchpad.net/bugs/1388511
>
> Title:
> "Could not calculate the upgrade. "12.04 ->14.04- openmpi dependency
> issue
>
> Status in ubuntu-release-upgrader package in Ubuntu:
> Confirmed
> Status in update-manager package in Ubuntu:
> Confirmed
>
> Bug description:
> Could not calculate the upgrade. An unresolvable problem occured while
> calculating the upgrade". There are no details in the error dialog
> about what went wrong. A screenshot of the error dialog and the usual
> Ubuntu-collected information is attached.
>
> This is a dupilcate, of course, but the bug reporting system won't
> find the correct bug report (Bug #1274672 ) even if the exact title or
> number is given. A Google search indicates 1,100 hits related to
> "could not calculate the upgrade". So it's probably a real bug.
>
> Some comments on this bug indicate that "cinnamon" is the problem.
> "Cinnamon" is not installed.
>
> ProblemType: Bug
> DistroRelease: Ubuntu 12.04
> Package: update-manager 1:0.156.14.17
> ProcVersionSignature: Ubuntu 3.2.0-70.105-generic 3.2.63
> Uname: Linux 3.2.0-70-generic x86_64
> NonfreeKernelModules: nvidia
> ApportVersion: 2.0.1-0ubuntu17.7
> Architecture: amd64
> Date: Sat Nov 1 23:06:44 2014
> GsettingsChanges:
> com.ubuntu.update-manager first-run false
> com.ubuntu.update-manager launch-time 1414908173
> com.ubuntu.update-manager window-height 626
> com.ubuntu.update-manager window-width 957
> InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64
> (20120823.1)
> MarkForUpload: True
> PackageArchitecture: all
> ProcEnviron:
> TERM=xterm
> PATH=(custom, no user)
> LANG=en_US.UTF-8
> SHELL=/bin/bash
> SourcePackage: update-manager
> Symptom: ubuntu-release-upgrader-core
> UpgradeStatus: Upgraded to precise on 2014-11-02 (0 days ago)
> VarLogDistupgradeTermlog:
>
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>
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>