[Bug 1570628] Re: Migration from 15.04 to 15.10 failed

[Brian Murray]

*** This bug is a duplicate of bug 1510841 ***
    https://bugs.launchpad.net/bugs/1510841

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.

** This bug has been marked a duplicate of bug 1510841
   "Could not calculate the upgrade" due to multiple metapackages being installed

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https://bugs.launchpad.net/bugs/1570628

Title:
  Migration from 15.04 to 15.10 failed

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

Bug description:

  2016-04-15 00:28:05,516 DEBUG Comparing 3.19.0-15 with 3.19.0-15
  2016-04-15 00:28:05,737 INFO installing linux metapackage: linux-generic
  2016-04-15 00:28:05,737 DEBUG Installing 'linux-generic' (linux metapackage may have been accidentally uninstalled)
  2016-04-15 00:28:06,024 DEBUG Marking 'ubuntu-desktop' for upgrade
  2016-04-15 00:28:07,491 WARNING Can't mark 'ubuntu-desktop' for upgrade (E:Impossible de corriger les problèmes, des paquets défectueux sont en mode « garder en l'état ».)
  2016-04-15 00:28:07,492 DEBUG Marking 'ubuntu-mate-desktop' for upgrade
  2016-04-15 00:28:07,995 WARNING Can't mark 'ubuntu-mate-desktop' for upgrade (E:Erreur, pkgProblem::Resolve a généré des ruptures, ce qui a pu être causé par les paquets devant être gardés en l'état.)
  2016-04-15 00:28:08,117 DEBUG blacklist expr 'ubuntu-minimal' matches 'ubuntu-minimal'
  2016-04-15 00:28:08,117 DEBUG The package 'ubuntu-minimal' is marked for removal but it's in the removal blacklist
  2016-04-15 00:28:08,180 ERROR Dist-upgrade failed: 'Le paquet « ubuntu-minimal » est marqué pour suppression mais il est dans la liste noire des suppressions.'
  2016-04-15 00:28:08,181 DEBUG abort called
  2016-04-15 00:28:08,183 DEBUG openCache()
  2016-04-15 00:28:08,183 DEBUG failed to SystemUnLock() (E:Non verrouillé) 
  2016-04-15 00:28:12,399 DEBUG /openCache(), new cache size 76616
  2016-04-15 00:28:12,399 DEBUG enabling apt cron job

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: ubuntu-release-upgrader-core 1:15.04.14.3
  ProcVersionSignature: Ubuntu 3.19.0-15.15-lowlatency 3.19.3
  Uname: Linux 3.19.0-15-lowlatency x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.17.2-0ubuntu1.8
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: Unity
  Date: Fri Apr 15 00:19:36 2016
  InstallationDate: Installed on 2015-04-18 (362 days ago)
  InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=fr_FR.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to vivid on 2016-04-14 (0 days ago)

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