[Bug 523817] Re: ubiquity gtk frontend crashes when configuring Ubuntu Mint to install using preexistent home cryptographed (and mounted) partition

[Brian Murray]

** Tags added: ubiquity-2.0.8

** Tags added: karmic

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Title:
  ubiquity gtk frontend crashes when configuring Ubuntu Mint to install
  using preexistent home cryptographed (and mounted) partition

Status in “ubiquity” package in Ubuntu:
  New

Bug description:
  Binary package hint: ubiquity

  When installing Ubuntu Mint, I had a crash during the partitioning process.
  I have sda1 with 2GB for swap. First problem. I can't inform the partitionner that I want that to be encripted.
  Then I have sda2 with 20 GB that will be formated so the shitty OpenSuse leaves and Linux Mint comes.
  Then I have sda3 with 256 GB of /home encrypted partition that I DON'T want to be formated.
  The installer isn't intuitive, since it doesn't ask me to give the pass to mount the partition, so it can search the filesystem type and suggest me something like keeping or formating it. I had to quit installation, mount the partition, and rebegin the instalation so the partitioner would recognize the partition.
  Then the other non intuitive issue came. Both sda3 and the device mapper with the same unencryped sda3 appered in the list. I didn't know exatly which one to set as HOME without formating. I chose the "mapper" one and as soon as I clicked on the EDIT button, it crashed.
  Here's the information provided by the instalation program:
  Traceback (most recent call last):
    File "/usr/lib/ubiquity/ubiquity/frontend/gtk_ui.py", line 2105, in on_partition_list_edit_activate
      self.partman_edit_dialog(devpart, partition)
    File "/usr/lib/ubiquity/ubiquity/frontend/gtk_ui.py", line 1879, in partman_edit_dialog
      for script, arg, option in partition['method_choices']:
  KeyError: 'method_choices'

  *******
  mint at mint ~ $ lsb_release -rd
  Description:	Linux Mint 8 Helena - Main Edition
  Release:	8

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