[Bug 1412560] Re: Graphical update fails

[Wolf Rogner]

After some more observation and reading around I tried to deactivate
IPv6.

Even with IPv6 disabled, the graphical update-manager regularly fails to
download the packages. Doing this from the terminal works fine on every
attempt.

Have no more ideas as to what to try or adjust

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https://bugs.launchpad.net/bugs/1412560

Title:
  Graphical update fails

Status in update-manager package in Ubuntu:
  Confirmed

Bug description:
  Using Software-updater in Ubuntu 14.10 downloads changes but refuses
  to carry them out when OK is pressed.

  The software updater queries the repositories and returns a list of available upgrades.
  When choosing OK (selection stopped working a while ago), the download dialog appears but renders a failure notice (check internet connection - which is working perfectly fine).

  This happens regularly.

  Doing the upgrade in a terminal works first time.

  Observed behaviour:

  Sometimes IPv6 address resolution appears during download of package
  lists (which breaks regularly).

  The query progress bar in the graphical interface jumps erratically
  instead of running smoothly (might be an indication of failed name
  resolution or package retrieval)

  No changes in network configuration on my side (just in case someone
  might wonder)

  Download from the main server is extremely slow (40-50k/s on a 45Mb/s
  line)

  Main servers used in update configuration

  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: ubuntu-release-upgrader-core 1:14.10.9
  ProcVersionSignature: Ubuntu 3.16.0-30.40-generic 3.16.7-ckt3
  Uname: Linux 3.16.0-30-generic x86_64
  NonfreeKernelModules: nvidia wl
  ApportVersion: 2.14.7-0ubuntu8.1
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: Unity
  Date: Mon Jan 19 21:05:31 2015
  InstallationDate: Installed on 2013-05-17 (611 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64+mac (20130424)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  Symptom: ubuntu-release-upgrader
  UpgradeStatus: No upgrade log present (probably fresh install)
  VarLogDistupgradeAptHistorylog:
   Start-Date: 2014-11-05  12:44:14
   End-Date: 2014-11-05  12:44:14
  VarLogDistupgradeApttermlog:
   Log started: 2014-11-05  12:44:14
   Log ended: 2014-11-05  12:44:14

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