[Bug 1064151] Re: ubiquity crashed with TypeError in partman_dialog(): 'NoneType' object is not subscriptable

[Andrey Andreev]

Also here installing 20.04.3 and 21.04... sad.

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Title:
  ubiquity crashed with TypeError in partman_dialog(): 'NoneType' object
  is not subscriptable

Status in ubiquity package in Ubuntu:
  Confirmed

Bug description:
  Have tried multiple drives 500GB is main attempt, 250GB, and 120GB.
  Have tried pre-configuring partitions both Linux and Windows 7, but no
  matter what disk drive or configuration they do not show up as adrives
  available to install onto in the tool.

  However, what does show in the tools as active partitions, are the two
  partitions of my Windows  7 drive.

  Also tried SATA port position for all drives.

  ProblemType: Crash
  DistroRelease: Ubuntu 12.10
  Package: ubiquity 2.12.5
  ProcVersionSignature: Ubuntu 3.5.0-15.23-generic 3.5.4
  Uname: Linux 3.5.0-15-generic x86_64
  ApportVersion: 2.5.2-0ubuntu4
  Architecture: amd64
  CasperVersion: 1.324
  Date: Tue Oct  9 01:46:49 2012
  ExecutablePath: /usr/lib/ubiquity/bin/ubiquity
  InstallCmdLine: file=/cdrom/preseed/ubuntu.seed boot=casper initrd=/casper/initrd.lz quiet splash -- maybe-ubiquity
  InterpreterPath: /usr/bin/python3.2mu
  LiveMediaBuild: Ubuntu 12.10 "Quantal Quetzal" - Beta amd64 (20120926)
  ProcCmdline: /usr/bin/python3 /usr/lib/ubiquity/bin/ubiquity --greeter --only
  ProcEnviron: Error: [Errno 13] Permission denied: '/proc/3085/environ'
  PythonArgs: ['/usr/lib/ubiquity/bin/ubiquity', '--greeter', '--only']
  SourcePackage: ubiquity
  Title: ubiquity crashed with TypeError in partman_dialog(): 'NoneType' object is not subscriptable
  UpgradeStatus: No upgrade log present (probably fresh install)
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