Ubuntu
ubuntu-release-upgrader package

15.10 to 16.04 upgrade failure: "Could not calculate the upgrade"

Bug #1588506 reported by agent 8131
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
ubuntu-release-upgrader (Ubuntu)
New
Undecided
Unassigned

Bug Description

There seem to be a lot of these reports. From do-release-upgrade:

Could not calculate the upgrade

An unresolvable problem occurred while calculating the upgrade

egrep "WARN|ERROR" /var/log/dist-upgrade/main.log

2016-06-02 11:42:49,437 ERROR Package brscan4 has no priority set
2016-06-02 11:42:57,958 WARNING Can't mark 'ubuntu-desktop' for upgrade (E:Unable to correct problems, you have held broken packages.)
2016-06-02 11:42:58,412 WARNING Can't mark 'ubuntu-mate-core' for upgrade (E:Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages.)
2016-06-02 11:42:58,824 WARNING Can't mark 'ubuntu-mate-desktop' for upgrade (E:Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages.)
2016-06-02 11:42:58,917 ERROR Dist-upgrade failed: 'The package 'ubuntu-minimal' is marked for removal but it is in the removal blacklist.

ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: ubuntu-release-upgrader-core 1:15.10.14.4
ProcVersionSignature: Ubuntu 4.2.0-36.42-lowlatency 4.2.8-ckt8
Uname: Linux 4.2.0-36-lowlatency x86_64
NonfreeKernelModules: zfs zunicode zcommon znvpair zavl
ApportVersion: 2.19.1-0ubuntu5
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: MATE
Date: Thu Jun 2 11:37:49 2016
EcryptfsInUse: Yes
InstallationDate: Installed on 2011-05-15 (1845 days ago)
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to wily on 2016-06-02 (0 days ago)

Revision history for this message
agent 8131 (agent-8131) wrote :
Revision history for this message
agent 8131 (agent-8131) wrote :

I'd suggest that given the large number of similar reports, probably all with different packages at fault, the actual bug is more correctly that the upgrade tools do not report the name of the problem packages.

Revision history for this message
agent 8131 (agent-8131) wrote :

It does not appear to be possible to identify the packages as being held before the upgrade:

aptitude search ~ahold

nothing

dpkg --get-selections | grep hold

nothing

Revision history for this message
agent 8131 (agent-8131) wrote :

I seem to have found a fix. There are no 386 packages installed as given by:

dpkg --get-selections | grep i386

nothing

aptitude search ~ri386

nothing

dpkg -l | grep :i386

nothing

However, editing /var/lib/dpkg/arch and removing i386 (leaving just amd64) allows my upgrade to move forward without issue.

Revision history for this message
Brian Murray (brian-murray) wrote :

Thank you for taking the time to report this bug and helping to make Ubuntu better. This particular bug has already been reported and is a duplicate of bug 1510841, so it is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.

Revision history for this message
Paulo Pavačić (pavacic-p) wrote :

Solution posted here by the @agent 8131 worked for me.

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