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

[Erick Brunzell]

I just experienced this "crash" with the installer while testing the
20120131.2 Ubuntu i386 iso-testing image. I'd just rebooted the live DVD
after testing integrity and completing a live image test, then selecting
"install", following which I chose to install 3rd party software &
download updates.

I then chose "something else" to reuse the Linux partition in this
setup:

Model: ATA WDC WD800BB-63JK (scsi)
Disk /dev/sda: 80.0GB
Sector size (logical/physical): 512B/512B
Partition Table: msdos

Number  Start   End     Size    Type      File system     Flags
 1      32.3kB  48.5GB  48.5GB  primary   ntfs            boot
 2      48.5GB  80.0GB  31.5GB  extended
 5      48.5GB  79.0GB  30.5GB  logical   ext4
 6      79.0GB  80.0GB  1005MB  logical   linux-swap(v1)

Note: the ntfs partition is XP.

The next thing I saw was a screen displaying the attached picture (yes,
I know the date is wrong).

** Attachment added: "IMG_4377.JPG"
   https://bugs.launchpad.net/ubuntu/+source/ubiquity/+bug/912031/+attachment/2703492/+files/IMG_4377.JPG

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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:
  Confirmed
Status in “ubiquity” source package in Precise:
  Confirmed

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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