[Bug 950725] Re: update-manager fails due to wrong sources

[Brian Murray]

*** This bug is a duplicate of bug 947296 ***
    https://bugs.launchpad.net/bugs/947296

** This bug has been marked a duplicate of bug 947296
   Update-manager stopped updating

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https://bugs.launchpad.net/bugs/950725

Title:
  update-manager fails due to wrong sources

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

Bug description:
  Update Manager fails to download any updates. It asks to check the internet connection, but my internet connection is fine. I have tried this with a connection requiring proxy and two separate connections without proxy. UM throws up an error message pasted below. In addition, my notification areas has an indicator which says:
  "The update information is outdated. This may be caused by notification problems or by a repository that is no longer available. Please update manually by clicking on this icon and then selecting 'Check for Updates' and check if some of the listed repositories fail."

  satchit at awesomeness:~$ lsb_release -rd && apt-cache policy update-manager
  Description:	Ubuntu 11.10
  Release:	11.10
  update-manager:
    Installed: 1:0.152.25.8
    Candidate: 1:0.152.25.8
    Version table:
   *** 1:0.152.25.8 0
          500 http://in.archive.ubuntu.com/ubuntu/ oneiric-updates/main i386 Packages
          500 http://security.ubuntu.com/ubuntu/ oneiric-security/main i386 Packages
          100 /var/lib/dpkg/status
       1:0.152.25 0
          500 http://in.archive.ubuntu.com/ubuntu/ oneiric/main i386 Packages

  Error output:
  W:GPG error: http://ppa.launchpad.net oneiric Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY F192197F81992645, W:GPG error: http://ppa.launchpad.net oneiric Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 326DDB7DA68563AE, W:GPG error: http://ppa.launchpad.net oneiric Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY C2518248EEA14886, W:Failed to fetch http://security.ubuntu.com/ubuntu/dists/oneiric-security/Release  Unable to find expected entry 'independent/source/Sources' in Release file (Wrong sources.list entry or malformed file)
  , W:Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/oneiric/Release  Unable to find expected entry 'independent/source/Sources' in Release file (Wrong sources.list entry or malformed file)
  , W:Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/oneiric-updates/Release  Unable to find expected entry 'independent/source/Sources' in Release file (Wrong sources.list entry or malformed file)
  , W:Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/oneiric-backports/Release  Unable to find expected entry 'independent/source/Sources' in Release file (Wrong sources.list entry or malformed file)
  , E:Some index files failed to download. They have been ignored, or old ones used instead.

  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: update-manager 1:0.152.25.8
  ProcVersionSignature: Ubuntu 3.0.0-16.28-generic 3.0.17
  Uname: Linux 3.0.0-16-generic i686
  ApportVersion: 1.23-0ubuntu4
  Architecture: i386
  CheckboxSubmission: 6a389bf83db22bee5a58087f9e3fc863
  CheckboxSystem: 2954e74ba17fb0e37fc942cd1d9fab4e
  Date: Fri Mar  9 16:23:21 2012
  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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