[Bug 1510730] Re: Ubiquity installer crashes when editing manual crypto partition

[Aleksander Mierzwicki]

That's an old bug but it's still valid one. I was looking around the
code to see if that's maybe some simple bug that I can fix ad-hoc but I
come to conclusion that there is quite a bit of code missing. The GTK
version have support for functions that are lacking in KDE. So it's more
"not implemented" than just a bug.

Reference: https://github.com/linuxmint/ubiquity/blame/master/ubiquity/plugins/ubi-partman.py
PageGtk vs PageKde

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Title:
  Ubiquity installer crashes when editing manual crypto partition

Status in ubiquity package in Ubuntu:
  Confirmed

Bug description:
  Using the Kubuntu 15.10 AMD64 iso.

  After selecting to create a manual partition layout, adding a primary /boot (sda1) and a logic crypto by selecting "physical volume for encryption" (sda5), if I select the crypto volume and click "Change...", make no changes and click "OK" ubiquity crashes with:
  Traceback (most recent call last):
    File "/usr/lib/ubiquity/ubiquity/frontend/kde_components/PartMan.py", line 453, in on_edit_clicked
      self.partman_edit_dialog(devpart, partition)
    File "/usr/lib/ubiquity/ubiquity/frontend/kde_components/PartMan.py", line 367, in partman_edit_dialog
      self.ctrlr.dbfilter.edit_partition(devpart, **edits)
    File "/usr/lib/ubiquity/plugins/ubi-partman.py", line 3289, in edit_partition
      assert self.current_question == 'partman/choose_partition'
  AssertionError

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: ubiquity 2.21.37
  ProcVersionSignature: Ubuntu 4.2.0-16.19-generic 4.2.3
  Uname: Linux 4.2.0-16-generic x86_64
  ApportVersion: 2.19.1-0ubuntu3
  Architecture: amd64
  CasperVersion: 1.365
  CurrentDesktop: KDE
  Date: Tue Oct 27 23:48:21 2015
  InstallCmdLine: noprompt cdrom-detect/try-usb=true file=/cdrom/preseed/kubuntu.seed boot=casper maybe-ubiquity initrd=/casper/initrd.lz quiet splash --- BOOT_IMAGE=/casper/vmlinuz.efi
  LiveMediaBuild: Kubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
  SourcePackage: ubiquity
  UpgradeStatus: No upgrade log present (probably fresh install)

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