[Bug 1612886] Re: can not play videos except from youtube

[Brian Murray]

The mirror of the Ubuntu archive you are using is an unofficial one, so
it was disabled during the upgrade process and this left your system
without an upgrade path.  Please switch to an official mirror of the
Ubuntu archive using software-properties-gtk and try upgrading again.

** Summary changed:

- can not play videos except from youtube
+ upgrade failed to calculate due to an unofficial mirror

** Changed in: ubuntu-release-upgrader (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1612886

Title:
  upgrade failed to calculate due to an unofficial mirror

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

Bug description:
  tried to upgrade to 16.4 said error cannot complete

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: ubuntu-release-upgrader-core 1:0.220.8
  ProcVersionSignature: Ubuntu 3.19.0-65.73~14.04.1-generic 3.19.8-ckt22
  Uname: Linux 3.19.0-65-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.21
  Architecture: amd64
  CrashDB: ubuntu
  Date: Fri Aug 12 22:02:17 2016
  InstallationDate: Installed on 2015-09-17 (330 days ago)
  InstallationMedia: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to trusty on 2016-08-13 (0 days ago)
  VarLogDistupgradeAptlog:
   Log time: 2016-08-12 21:58:40.825543
   Log time: 2016-08-12 22:00:03.082933
   Log time: 2016-08-12 22:01:51.938612
   Log time: 2016-08-12 22:02:58.773553
  VarLogDistupgradeTermlog:

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