[Bug 1243795] Re: do-release-upgrade crashed with UnicodeDecodeError in runPostInstallScripts(): 'ascii' codec can't decode byte 0xe2 in position 15: ordinal not in range(128)

[Stanislav Bazhenov]

What i did to start upgrade:
-deleted sources.list.save
-deleted sources.list.distUpgrade
-renamed sources.list.d  to sources.list.disabled
-created empty sources.list.d
-started upgrade LANG=en_US.UTF8 sudo do-release-upgrade -d

I don't know which step is really mandatory but it seems that .list
files parser crashes upgrader, so it is better to leave a single minimal
sources.list file for upgrade procedure and then return and update all
custom  .list files manually after upgrade.

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https://bugs.launchpad.net/bugs/1243795

Title:
  do-release-upgrade crashed with UnicodeDecodeError in
  runPostInstallScripts(): 'ascii' codec can't decode byte 0xe2 in
  position 15: ordinal not in range(128)

Status in “ubuntu-release-upgrader” package in Ubuntu:
  Triaged

Bug description:
  I did saucy -> trusty upgrade. This appeared after I started the last
  (cleanup) phase.

  ProblemType: Crash
  DistroRelease: Ubuntu 14.04
  Package: ubuntu-release-upgrader-core 1:0.207
  ProcVersionSignature: Ubuntu 3.11.0-12.19-generic 3.11.3
  Uname: Linux 3.11.0-12-generic x86_64
  ApportVersion: 2.12.5-0ubuntu2
  Architecture: amd64
  CrashDB: ubuntu
  Date: Wed Oct 23 19:42:21 2013
  ExecutablePath: /usr/bin/do-release-upgrade
  InstallationDate: Installed on 2012-03-16 (585 days ago)
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha amd64 (20120316)
  InterpreterPath: /usr/bin/python2.7
  MarkForUpload: True
  PackageArchitecture: all
  ProcCmdline: /usr/bin/python /tmp/ubuntu-release-upgrader-kjbsc2/trusty --mode=server --frontend=DistUpgradeViewGtk3 --devel-release
  PythonArgs: ['/usr/bin/do-release-upgrade', '--mode=server', '--frontend=DistUpgradeViewGtk3', '--devel-release']
  SourcePackage: ubuntu-release-upgrader
  Title: do-release-upgrade crashed with UnicodeDecodeError in runPostInstallScripts(): 'ascii' codec can't decode byte 0xe2 in position 15: ordinal not in range(128)
  UpgradeStatus: Upgraded to trusty on 2013-10-23 (0 days ago)
  UserGroups:
   
  VarLogDistupgradeTermlog:

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