[Bug 1542600] Re: can not upgrade to xenial from wily through do-release-upgrade

[Brian Murray]

119 2016-02-06 12:44:57,522 DEBUG Marking 'ubuntu-mate-core' for upgrade
120 2016-02-06 12:44:57,971 DEBUG blacklist expr 'unity$' matches 'unity'
121 2016-02-06 12:44:57,971 DEBUG The package 'unity' is marked for removal but it's in the removal blacklist
122 2016-02-06 12:44:57,979 ERROR Dist-upgrade failed: 'The package 'unity' is marked for removal but it is in the removal blacklist.'
123 2016-02-06 12:44:57,980 DEBUG abort called

Please uninstall the unity package for the upgrade to proceed
successfully. Given that you are using the MATE desktop the unity
package should be unnecessary.

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

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https://bugs.launchpad.net/bugs/1542600

Title:
  can not upgrade to xenial from wily through do-release-upgrade

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

Bug description:
  while trying to upgrade, the tool fails.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: ubuntu-release-upgrader-core 1:15.10.14.2
  Uname: Linux 4.5.0-040500rc1-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.19.1-0ubuntu5
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: MATE
  Date: Sat Feb  6 12:46:18 2016
  InstallationDate: Installed on 2016-01-19 (18 days ago)
  InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to wily on 2016-02-06 (0 days ago)

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