[Bug 777705] Re: ubiquity crashed with ValueError in command(): I/O operation on closed file

[Apport retracing service]

*** This bug is a duplicate of bug 735659 ***
    https://bugs.launchpad.net/bugs/735659

Thank you for taking the time to report this crash and helping to make
Ubuntu better.  This particular crash has already been reported and is a
duplicate of bug #735659, so is being marked as such.  Please look at
the other bug report to see if there is any missing information that you
can provide, or to see if there is a workaround for the bug.
Additionally, any further discussion regarding the bug should occur in
the other report.  Please continue to report any other bugs you may
find.

** Package changed: ubuntu => ubiquity (Ubuntu)

** Tags removed: need-duplicate-check

** Attachment removed: "Dependencies.txt"
   https://bugs.launchpad.net/bugs/777705/+attachment/2114081/+files/Dependencies.txt

** Attachment removed: "ProcMaps.txt"
   https://bugs.launchpad.net/bugs/777705/+attachment/2114082/+files/ProcMaps.txt

** Attachment removed: "ProcStatus.txt"
   https://bugs.launchpad.net/bugs/777705/+attachment/2114083/+files/ProcStatus.txt

** This bug has been marked a duplicate of bug 735659
   ubiquity crashed with ValueError in command(): I/O operation on closed file

** Visibility changed to: Public

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https://bugs.launchpad.net/bugs/777705

Title:
  ubiquity crashed with ValueError in command(): I/O operation on closed
  file

Status in “ubiquity” package in Ubuntu:
  New

Bug description:
  this happened with live usb when trying to start firefox

  ProblemType: Crash
  DistroRelease: Ubuntu 11.04
  Package: ubiquity 2.6.10
  ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
  Uname: Linux 2.6.38-8-generic i686
  Architecture: i386
  Date: Fri Apr 29 02:54:27 2011
  ExecutablePath: /usr/lib/ubiquity/bin/ubiquity
  InterpreterPath: /usr/bin/python2.7
  LiveMediaBuild: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
  ProcCmdline: /usr/bin/python /usr/lib/ubiquity/bin/ubiquity gtk_ui
  ProcEnviron: Error: [Errno 13] Permission denied: '/proc/5088/environ'
  PythonArgs: ['/usr/lib/ubiquity/bin/ubiquity', 'gtk_ui']
  SourcePackage: ubiquity
  Title: ubiquity crashed with ValueError in command(): I/O operation on closed file
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: