[Bug 576577] Re: do-release-upgrade crashed with IOError in download()

[Robert Roth]

Thanks for taking the time to report this bug and helping to make Ubuntu better. We appreciate the difficulties you are facing, but this appears to be a "regular" (non-security) bug. I have unmarked it as a security issue since this bug does not show evidence of allowing attackers to cross privilege boundaries nor directly cause loss of data/privacy. Please feel free to report any other bugs you may find.
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https://bugs.launchpad.net/bugs/576577

Title:
  do-release-upgrade crashed with IOError in download()

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

Bug description:
  Binary package hint: update-manager

  It happened by itself, maybe when Ubuntu begins to test if there is a
  upgrade, then it crashed.

  ProblemType: Crash
  DistroRelease: Ubuntu 10.04
  Package: update-manager-core 1:0.134.7
  ProcVersionSignature: Ubuntu 2.6.32-21.32-generic 2.6.32.11+drm33.2
  Uname: Linux 2.6.32-21-generic i686
  Architecture: i386
  Date: Thu May  6 20:52:30 2010
  ExecutablePath: /usr/bin/do-release-upgrade
  InterpreterPath: /usr/bin/python2.6
  LiveMediaBuild: Ubuntu 10.04 LTS "Lucid Lynx" - Release i386 (20100429)
  ProcCmdline: /usr/bin/python2.6 /usr/lib/update-manager/check-new-release -q
  ProcEnviron:
   
  PythonArgs: ['/usr/lib/update-manager/check-new-release', '-q']
  SourcePackage: update-manager
  Title: do-release-upgrade crashed with IOError in download()
  Traceback:
   Traceback (most recent call last):
     File "/usr/lib/python2.6/dist-packages/UpdateManager/Core/MetaRelease.py", line 286, in download
       self.metarelease_information=open(self.METARELEASE_FILE,"r")
   IOError: [Errno 2] No such file or directory: '/var/lib/update-manager/meta-release-lts'
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