[Bug 1535046] [NEW] upgrade release 14.10 or 15.10 it will not work

[windel]

Public bug reported:

在筹划升级时，一个不可解决问题发生了：

这可能是由以下原因造成的： 
*升级为 Ubuntu 的预发行版本 
*运行目前的 Ubuntu 预发布版本 
*不是由 Ubuntu 提供的非官方软件包

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: ubuntu-release-upgrader-core 1:0.220.8
ProcVersionSignature: Ubuntu 3.13.0-75.119-generic 3.13.11-ckt32
Uname: Linux 3.13.0-75-generic x86_64
NonfreeKernelModules: fglrx
ApportVersion: 2.14.1-0ubuntu3.19
Architecture: amd64
CrashDB: ubuntu
Date: Sun Jan 17 16:39:28 2016
InstallationDate: Installed on 2015-10-22 (87 days ago)
InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
PackageArchitecture: all
ProcEnviron:
 LANGUAGE=zh_CN:zh
 TERM=xterm
 PATH=(custom, no user)
 LANG=zh_CN.UTF-8
 SHELL=/bin/bash
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to trusty on 2016-01-17 (0 days ago)
mtime.conffile..etc.update.manager.release.upgrades: 2016-01-16T18:46:24.202627

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


** Tags: amd64 apport-bug dist-upgrade trusty

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https://bugs.launchpad.net/bugs/1535046

Title:
  upgrade release 14.10 or 15.10 it will not work

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

Bug description:
  在筹划升级时，一个不可解决问题发生了：

  这可能是由以下原因造成的： 
  *升级为 Ubuntu 的预发行版本 
  *运行目前的 Ubuntu 预发布版本 
  *不是由 Ubuntu 提供的非官方软件包

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: ubuntu-release-upgrader-core 1:0.220.8
  ProcVersionSignature: Ubuntu 3.13.0-75.119-generic 3.13.11-ckt32
  Uname: Linux 3.13.0-75-generic x86_64
  NonfreeKernelModules: fglrx
  ApportVersion: 2.14.1-0ubuntu3.19
  Architecture: amd64
  CrashDB: ubuntu
  Date: Sun Jan 17 16:39:28 2016
  InstallationDate: Installed on 2015-10-22 (87 days ago)
  InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
  PackageArchitecture: all
  ProcEnviron:
   LANGUAGE=zh_CN:zh
   TERM=xterm
   PATH=(custom, no user)
   LANG=zh_CN.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to trusty on 2016-01-17 (0 days ago)
  mtime.conffile..etc.update.manager.release.upgrades: 2016-01-16T18:46:24.202627

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