[Bug 1013997] Re: package update-manager-core 1:0.150.5.2 failed to install/upgrade: failed to stat (dereference) existing symlink `/usr/lib/python2.6/dist-packages/DistUpgrade/DistUpgradeCache.py': Input/output error

[Brian Murray]

Thank you for taking the time to report this bug and helping to make
Ubuntu better.  It seems that there was an error on your system when
trying to install a particular package.  Please execute the following
command, as it will clear your package cache, in a terminal:

sudo apt-get clean

Then try performing the update again.  This will likely resolve your
issue, but the failure can be caused by filesystem or memory corruption.
So please also run a fsck on your filesystem(s) and a memory test.  If
this does not resolve your bug please set its status back to New.
Thanks in advance!

** Changed in: update-manager (Ubuntu)
       Status: New => Invalid

** Changed in: update-manager (Ubuntu)
   Importance: Undecided => Low

** Tags added: corrupted-package

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https://bugs.launchpad.net/bugs/1013997

Title:
  package update-manager-core 1:0.150.5.2 failed to install/upgrade:
  failed to stat (dereference) existing symlink `/usr/lib/python2.6
  /dist-packages/DistUpgrade/DistUpgradeCache.py': Input/output error

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

Bug description:
  Running mythbuntu distribution.

  apt-get -f instsall did not fix the problem

  ProblemType: Package
  DistroRelease: Ubuntu 11.04
  Package: update-manager-core 1:0.150.5.2
  ProcVersionSignature: Ubuntu 2.6.38-15.60-generic 2.6.38.8
  Uname: Linux 2.6.38-15-generic x86_64
  NonfreeKernelModules: nvidia
  Architecture: amd64
  Date: Sat Jun 16 09:07:25 2012
  ErrorMessage: failed to stat (dereference) existing symlink `/usr/lib/python2.6/dist-packages/DistUpgrade/DistUpgradeCache.py': Input/output error
  GConfNonDefault: /apps/update-manager/check_new_release_ignore=
  InstallationMedia: Mythbuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
  SourcePackage: update-manager
  Title: package update-manager-core 1:0.150.5.2 failed to install/upgrade: failed to stat (dereference) existing symlink `/usr/lib/python2.6/dist-packages/DistUpgrade/DistUpgradeCache.py': Input/output error
  UpgradeStatus: Upgraded to natty on 2011-05-12 (400 days ago)

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