[Bug 1533844] [NEW] Unable to upgrade Ubuntu 14.04

[AMG]

Public bug reported:

Unable to upgrade Ubuntu 14.04 to 15.04.

/var/log/dist-upgrade/apt.log lists some major packages (like
libstdc++6) which have dependencies which can't be satisifed, and trying
trying to resolve it by deinstalling I get warnings about this will
seriously damage my system if I deinstall.

But with them installed I can't seem to upgrade ubuntu.

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: ubuntu-release-upgrader-core 1:0.220.8
ProcVersionSignature: Ubuntu 3.13.0-57.95-generic 3.13.11-ckt21
Uname: Linux 3.13.0-57-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.14.1-0ubuntu3.19
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: Unity
Date: Wed Jan 13 22:04:46 2016
EcryptfsInUse: Yes
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to trusty on 2016-01-13 (0 days ago)
VarLogDistupgradeTermlog:
 
mtime.conffile..etc.update.manager.release.upgrades: 2016-01-13T21:27:17.688851

** Affects: ubuntu-release-upgrader (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug dist-upgrade third-party-packages trusty

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https://bugs.launchpad.net/bugs/1533844

Title:
  Unable to upgrade Ubuntu 14.04

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

Bug description:
  Unable to upgrade Ubuntu 14.04 to 15.04.

  /var/log/dist-upgrade/apt.log lists some major packages (like
  libstdc++6) which have dependencies which can't be satisifed, and
  trying trying to resolve it by deinstalling I get warnings about this
  will seriously damage my system if I deinstall.

  But with them installed I can't seem to upgrade ubuntu.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: ubuntu-release-upgrader-core 1:0.220.8
  ProcVersionSignature: Ubuntu 3.13.0-57.95-generic 3.13.11-ckt21
  Uname: Linux 3.13.0-57-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.14.1-0ubuntu3.19
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: Unity
  Date: Wed Jan 13 22:04:46 2016
  EcryptfsInUse: Yes
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to trusty on 2016-01-13 (0 days ago)
  VarLogDistupgradeTermlog:
   
  mtime.conffile..etc.update.manager.release.upgrades: 2016-01-13T21:27:17.688851

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