Public bug reported:
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:
** Affects: update-manager (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug dist-upgrade precise running-unity
** Attachment added: "Image of error message"
https://bugs.launchpad.net/bugs/1388511/+attachment/4251072/+files/ubuntuupgradefail.png
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https://bugs.launchpad.net/bugs/1388511
Title:
"Could not calculate the upgrade. "2.04 ->14.04
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