[Bug 792652] Re: ubiquity crashed with ValueError in command(): I/O operation on closed file

[Launchpad Bug Tracker]

This bug was fixed in the package ubiquity - 2.10.7

---------------
ubiquity (2.10.7) precise; urgency=low

  [ Colin Watson ]
  * Fix partman plugin to preseed grub-installer/bootdev in a cleanup method
    rather than exit_ui_loops, since talking to debconf in the latter isn't
    safe (LP: #792652).  Adjust how maybe_update_grub gets the default boot
    device to avoid regressing LP #756920.

  [ Stéphane Graber ]
  * Add support for Windows 8 user directory detection.
  * Make wubi work when the OS data partition is different from the boot
    partition. (LP: #772470)
  * Call gsettings through dbus-launch in an hope to ensure its changes
    are saved to disk. (LP: #960096)
  * Make ubiquity depend on dbus-x11 for dbus-launch.
  * Update compat/os-proper to make a different cache when listing OS
    data partitions. (LP: #772470)
  * Automatic update of included source packages: migration-assistant
    0.6.12.
 -- Stephane Graber <stgraber at ubuntu.com>   Wed, 04 Apr 2012 20:56:08 -0400

** Changed in: ubiquity (Ubuntu Precise)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/792652

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

Status in “ubiquity” package in Ubuntu:
  Fix Released
Status in “ubiquity” source package in Oneiric:
  Won't Fix
Status in “ubiquity” source package in Precise:
  Fix Released

Bug description:
  Binary package hint: ubiquity

  I got this problem when I was trying clicking the Install Ubuntu 11.04
  from the desktop on Asus 1215B red.

  TEST CASE
  1. Boot from a Live media
  2. At Ubiquity Greeter click on 'Try Ubuntu' and start a live session
  3. Start ubiquity
  4. Proceed to step 'Prepare'
  5. Click on 'Continue' then quickly click on 'Quit' on the main dialog then 'Quit' on the confirmation dialog before the UI switches to step 'partman'

  Note:
  Timing seems important and you need to repeat steps 3 to 5 and clicking at slightly different moment until it crashes. It is easier to reproduce on low-end hardware than VM.
  Also I reproduced it more often with other languages than english.

  ACTUAL RESULT
  This crash or UI hang

  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 x86_64
  NonfreeKernelModules: wl
  Architecture: amd64
  Date: Fri Jun  3 21:24:09 2011
  ExecutablePath: /usr/lib/ubiquity/bin/ubiquity
  InterpreterPath: /usr/bin/python2.7
  LiveMediaBuild: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
  ProcCmdline: /usr/bin/python /usr/lib/ubiquity/bin/ubiquity gtk_ui
  ProcEnviron: Error: [Errno 13] Permission denied: '/proc/3371/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:

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