[Bug 881424] Re: Terminal upgrading from 11.04 to 11.10 fails

[Tim]

Sorry for the delay.  I assume you are using the 'apt-get' tool?
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** Changed in: update-manager (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/881424

Title:
  Terminal upgrading from 11.04 to 11.10 fails

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

Bug description:
  Checking for a new ubuntu release
  Get:1 Upgrade tool signature [198 B]                                           
  Get:2 Upgrade tool [1467 kB]                                                   
  Fetched 1468 kB in 6s (7628 B/s)                                               
  extracting 'oneiric.tar.gz'
  authenticate 'oneiric.tar.gz' against 'oneiric.tar.gz.gpg' 
  exception from gpg: GnuPG exited non-zero, with code 1
  Debug information: 

  Traceback (most recent call last):
    File "/usr/bin/do-release-upgrade", line 113, in <module>
      fetcher.run()
    File "/usr/lib/python2.7/dist-packages/UpdateManager/Core/DistUpgradeFetcherCore.py", line 264, in run
      if not self.authenticate():
    File "/usr/lib/python2.7/dist-packages/UpdateManager/Core/DistUpgradeFetcherCore.py", line 75, in authenticate
      if not self.gpgauthenticate(f, sig):
    File "/usr/lib/python2.7/dist-packages/UpdateManager/Core/DistUpgradeFetcherCore.py", line 94, in gpgauthenticate
      create_fhs=['status','logger','stderr'])
    File "/usr/lib/pymodules/python2.7/GnuPGInterface.py", line 360, in run
      create_fhs, attach_fhs)
    File "/usr/lib/pymodules/python2.7/GnuPGInterface.py", line 404, in _attach_fork_exec
      if process.pid == 0: self._as_child(process, gnupg_commands, args)
    File "/usr/lib/pymodules/python2.7/GnuPGInterface.py", line 445, in _as_child
      os.execvp( command[0], command )
    File "/usr/lib/python2.7/os.py", line 344, in execvp
      _execvpe(file, args)
    File "/usr/lib/python2.7/os.py", line 380, in _execvpe
      func(fullname, *argrest)
  OSError: [Errno 2] No such file or directory

  
  Authentication failed
  Authenticating the upgrade failed. There may be a problem with the network or with the server.

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