[Bug 912031] Re: ubiquity crashed with TypeError in partman_column_name(): argument of type 'NoneType' is not iterable

[Colin Watson]

I'm pretty sure I have a fix for this now; thanks to Kate for providing
remote access to an affected system for debugging.  However, rather than
risk making alpha-2 worse rather than better at this late stage, I'm
going to land it just after alpha-2.  We'll release-note it, and on
affected systems it should be possible to upgrade the installer before
starting once a fix has been released.

** Changed in: ubiquity (Ubuntu Precise)
       Status: Confirmed => In Progress

** Changed in: ubiquity (Ubuntu Precise)
     Assignee: Ubuntu Installer Team (ubuntu-installer) => Colin Watson (cjwatson)

** Changed in: ubiquity (Ubuntu Precise)
    Milestone: None => ubuntu-12.04-beta-1

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https://bugs.launchpad.net/bugs/912031

Title:
  ubiquity crashed with TypeError in partman_column_name(): argument of
  type 'NoneType' is not iterable

Status in “ubiquity” package in Ubuntu:
  In Progress
Status in “ubiquity” source package in Precise:
  In Progress

Bug description:
  Ubuntu 12.04 daily build of 4-1-2012

  ProblemType: Crash
  DistroRelease: Ubuntu 12.04
  Package: ubiquity 2.9.10
  ProcVersionSignature: Ubuntu 3.2.0-7.13-generic 3.2.0-rc7
  Uname: Linux 3.2.0-7-generic x86_64
  ApportVersion: 1.90-0ubuntu1
  Architecture: amd64
  CasperVersion: 1.296
  Date: Wed Jan  4 22:51:36 2012
  ExecutablePath: /usr/lib/ubiquity/bin/ubiquity
  InterpreterPath: /usr/bin/python2.7
  LiveMediaBuild: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha amd64+mac (20120104)
  ProcCmdline: /usr/bin/python /usr/lib/ubiquity/bin/ubiquity --greeter --only
  ProcEnviron: Error: [Errno 13] Permission denied: '/proc/3174/environ'
  PythonArgs: ['/usr/lib/ubiquity/bin/ubiquity', '--greeter', '--only']
  SourcePackage: ubiquity
  Title: ubiquity crashed with TypeError in partman_column_name(): argument of type 'NoneType' is not iterable
  Traceback:
   Traceback (most recent call last):
     File "/usr/lib/ubiquity/plugins/ubi-partman.py", line 593, in partman_column_name
       if 'id' not in partition:
   TypeError: argument of type 'NoneType' is not iterable
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:

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