[Bug 1357005] Re: release upgrade fails on some aptcdrom atribute error

[Brian Murray]

Traceback (most recent call last):

  File "/tmp/update-manager-e8K5WV/trusty", line 10, in <module>
    sys.exit(main())

  File "/tmp/update-manager-e8K5WV/DistUpgrade/DistUpgradeMain.py", line 243, in main
    if app.run():

  File "/tmp/update-manager-e8K5WV/DistUpgrade/DistUpgradeController.py", line 1827, in run
    return self.fullUpgrade()

  File "/tmp/update-manager-e8K5WV/DistUpgrade/DistUpgradeController.py", line 1781, in fullUpgrade
    self.abort()

  File "/tmp/update-manager-e8K5WV/DistUpgrade/DistUpgradeController.py", line 1337, in abort
    self.aptcdrom.restore_backup(self.sources_backup_ext)

AttributeError: 'AptCdrom' object has no attribute 'restore_backup'

** Changed in: update-manager (Ubuntu)
       Status: Confirmed => Incomplete

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https://bugs.launchpad.net/bugs/1357005

Title:
  release upgrade fails on some aptcdrom atribute error

Status in “update-manager” package in Ubuntu:
  Incomplete

Bug description:
  Release upgrade error to 14.04

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: update-manager 1:0.156.14.17
  ProcVersionSignature: Ubuntu 3.2.0-67.101-generic 3.2.60
  Uname: Linux 3.2.0-67-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.0.1-0ubuntu17.6
  Architecture: amd64
  Date: Thu Aug 14 10:46:19 2014
  GsettingsChanges:
   com.ubuntu.update-manager first-run false
   com.ubuntu.update-manager launch-time 1408038304
   com.ubuntu.update-manager show-details true
   com.ubuntu.update-manager window-height 717
   com.ubuntu.update-manager window-width 512
  InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64 (20120823.1)
  MarkForUpload: True
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: update-manager
  Symptom: ubuntu-release-upgrader-core
  UpgradeStatus: Upgraded to precise on 2014-08-14 (0 days ago)
  VarLogDistupgradeTermlog:

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