[Bug 1241148] Re: do-release-upgrade crashes while updating from 13.04 to 13.10 when locale is ru-RU.UTF8

[Ferry Toth]

For KDE the exact command line to get passed this bug is:
 LC_ALL=C.UTF-8 sudo do-release-upgrade -m desktop -f DistUpgradeViewKDE

This gives the following:
Er wordt gecontroleerd of er een nieuwe Ubuntu-uitgave is
Ophalen:1 Handtekening opwaardeerprogramma [198 B]                                                                          
Ophalen:2 Opwaardeerprogramma [1136 kB]                                                                                     
1136 kB opgehaald in 0s (0 B/s)                                                                                             
'saucy.tar.gz' tegen  'saucy.tar.gz.gpg' verifiëren 
âsaucy.tar.gzâ wordt uitgepakt

(note strange char's)

Then follows some repeated:
Fontconfig warning: ignoring C.UTF-8: not a valid language tag

So, not 100% language tag, but get's me passed the crash point.

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https://bugs.launchpad.net/bugs/1241148

Title:
  do-release-upgrade crashes while updating from 13.04 to 13.10 when
  locale is ru-RU.UTF8

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

Bug description:
  Application crashes with the following stacktrace:

  Error in sys.excepthook:
  Traceback (most recent call last):
    File "/tmp/ubuntu-release-upgrader-6agiri/DistUpgrade/DistUpgradeViewText.py", line 107, in _handleException
      "\n".join(lines))
    File "/tmp/ubuntu-release-upgrader-6agiri/DistUpgrade/DistUpgradeViewText.py", line 141, in error


      print(twrap(summary))
  UnicodeEncodeError: 'ascii' codec can't encode characters in position 0-8: ordinal not in range(128)

  Original exception was:
  Traceback (most recent call last):
    File "/tmp/ubuntu-release-upgrader-6agiri/saucy", line 10, in <module>
      sys.exit(main())
    File "/tmp/ubuntu-release-upgrader-6agiri/DistUpgrade/DistUpgradeMain.py", line 230, in main
      app = DistUpgradeController(view, options, datadir=options.datadir)
    File "/tmp/ubuntu-release-upgrader-6agiri/DistUpgrade/DistUpgradeController.py", line 126, in __init__
      self._view.updateStatus(_("Reading cache"))
    File "/tmp/ubuntu-release-upgrader-6agiri/DistUpgrade/DistUpgradeViewText.py", line 121, in updateStatus
      print(msg)
  UnicodeEncodeError: 'ascii' codec can't encode characters in position 0-5: ordinal not in range(128)

  When I start do-release-upgrade with LC_ALL=C all works fine.

  My locale is:

  LANG=ru_RU.UTF-8
  LANGUAGE=
  LC_CTYPE="ru_RU.UTF-8"
  LC_NUMERIC="ru_RU.UTF-8"
  LC_TIME="ru_RU.UTF-8"
  LC_COLLATE="ru_RU.UTF-8"
  LC_MONETARY="ru_RU.UTF-8"
  LC_MESSAGES="ru_RU.UTF-8"
  LC_PAPER="ru_RU.UTF-8"
  LC_NAME="ru_RU.UTF-8"
  LC_ADDRESS="ru_RU.UTF-8"
  LC_TELEPHONE="ru_RU.UTF-8"
  LC_MEASUREMENT="ru_RU.UTF-8"
  LC_IDENTIFICATION="ru_RU.UTF-8"
  LC_ALL=

  LC_ALL=C apt-cache policy ubuntu-release-upgrader-core
  ubuntu-release-upgrader-core:
    Installed: 1:0.205
    Candidate: 1:0.205
    Version table:
   *** 1:0.205 0
          500 http://ru.archive.ubuntu.com/ubuntu/ saucy/main amd64 Packages
          100 /var/lib/dpkg/status
  (Sorry, I've already upgraded system when upgrader started with LC_ALL=C.)

  ProblemType: Bug
  DistroRelease: Ubuntu 13.10
  Package: ubuntu-release-upgrader-core 1:0.205
  ProcVersionSignature: Ubuntu 3.8.0-31.46-generic 3.8.13.8
  Uname: Linux 3.8.0-31-generic x86_64
  ApportVersion: 2.12.5-0ubuntu2
  Architecture: amd64
  CrashDB: ubuntu
  Date: Thu Oct 17 22:38:30 2013
  InstallationDate: Installed on 2013-06-25 (114 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
  MarkForUpload: True
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=ru_RU.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to saucy on 2013-10-17 (0 days ago)
  VarLogDistupgradeAptclonesystemstate.tar.gz: Error: command ['pkexec', 'cat', '/var/log/dist-upgrade/apt-clone_system_state.tar.gz'] failed with exit code 127: pkexec must be setuid root

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