[Bug 962081] Re: "do-release-upgrade -s -d" failed

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https://bugs.launchpad.net/bugs/962081

Title:
  "do-release-upgrade -s -d" failed

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

Bug description:
  $ do-release-upgrade -s -d
  Checking for a new ubuntu release
  Get:1 Upgrade tool signature [198 B]                                           
  Get:2 Upgrade tool [1379 kB]                                                   
  Fetched 1379 kB in 6s (45.5 kB/s)                                              
  authenticate 'precise.tar.gz' against 'precise.tar.gz.gpg' 
  extracting 'precise.tar.gz'
  [sudo] password for anton: 

  Reading cache

  Checking package manager

  Sandbox setup failed

  It was not possible to create the sandbox environment.

  
  Preparing the upgrade failed 

  Preparing the system for the upgrade failed so a bug reporting 
  process is being started.

  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: update-manager 1:0.152.25.8
  ProcVersionSignature: Ubuntu 3.0.0-17.30-generic-pae 3.0.22
  Uname: Linux 3.0.0-17-generic-pae i686
  ApportVersion: 1.23-0ubuntu4
  Architecture: i386
  CheckboxSubmission: 32b2b5d4dec078676ee5a1a9cbe277bc
  CheckboxSystem: bb422ca46d02494cdbc459927a98bc2f
  Date: Thu Mar 22 15:15:42 2012
  EcryptfsInUse: Yes
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012)
  PackageArchitecture: all
  SourcePackage: update-manager
  UpgradeStatus: No upgrade log present (probably fresh install)

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