[Bug 804035] Re: do-release-upgrade crashed with IOError in /usr/lib/update-manager/check-new-release: [Errno 22] Invalid argument

[RedSingularity]

Since there is no private info in this report, I am marking it public.  
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https://bugs.launchpad.net/bugs/804035

Title:
  do-release-upgrade crashed with IOError in /usr/lib/update-manager
  /check-new-release: [Errno 22] Invalid argument

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

Bug description:
  Crashed on Startup.

  ProblemType: Crash
  DistroRelease: Ubuntu 11.04
  Package: update-manager-core 1:0.150
  ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
  Uname: Linux 2.6.38-8-generic x86_64
  Architecture: amd64
  Date: Thu Jun 30 21:21:12 2011
  ExecutablePath: /usr/bin/do-release-upgrade
  InterpreterPath: /usr/bin/python2.7
  LiveMediaBuild: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
  ProcCmdline: /usr/bin/python2.7 /usr/lib/update-manager/check-new-release -q
  ProcEnviron: PATH=(custom, no user)
  PythonArgs: ['/usr/lib/update-manager/check-new-release', '-q']
  SourcePackage: update-manager
  Title: do-release-upgrade crashed with IOError in /usr/lib/update-manager/check-new-release: [Errno 22] Invalid argument
  Traceback:
   Traceback (most recent call last):
     File "/usr/lib/update-manager/check-new-release", line 75, in <module>
       time.sleep(0.5)
   IOError: [Errno 22] Invalid argument
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:

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