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

[David Schoen]

I verified the sha256sum of the kubuntu-15.10-desktop-amd64.iso, it's
fine.

The iso isn't burnt to CD/DVD it's been put on a usb using usb-creator-
gtk.

Booting the USB and using it's self check (i.e typing "check" at the
initial "boot: " prompt) checks all the files and confirms "Check
finished: no errors found".

I'm unable to perform the check at
https://help.ubuntu.com/community/Installation/CDIntegrityCheck (because
of https://bugs.launchpad.net/ubuntu/+source/usb-creator/+bug/1325801 )
, but I believe it's the same as running "check" manually(?).

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https://bugs.launchpad.net/bugs/1510730

Title:
  Ubiquity installer crashes when editing manual crypto partition

Status in ubiquity package in Ubuntu:
  Incomplete

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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