[Bug 1931146] Re: installer crash on manual partitioning when using encryption

[JT Moree]

I just ran an install where I don't use LUKs and it works.  seems that in addition to the installer not allowing me to fully configure encrypted partitions it also crashes configuring other partitions when one of them is set to use encryption.
to reproduce
* create partitions before install
* start install
* move through setup to partitioning.  choose manual
* choose one of the partitions and change it to use encryption
* choose another partition and click Edit.  Choose to format and assign it as /boot'
* click OK and crash

** Summary changed:

- installer crash on manual partitioning
+ installer crash on manual partitioning when using encryption

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https://bugs.launchpad.net/bugs/1931146

Title:
  installer crash on manual partitioning when using encryption

Status in ubiquity package in Ubuntu:
  New

Bug description:
  I am attempting a fresh install on a dual boot setup.  currently using
  windows 10 and Kubuntu 20.04. I am also using LUKS but the installer
  doesn't really seem to support it--even the old manual setup-- so I
  might have to downgrade to 20.10.

  I have existing partitions so I choose manual but when I attempt to
  assign partitions and tell the system to format it crashes.  In this
  case I  was assigning /boot as a plain partition with nothing special
  and when clicking OK it crashes.  I don't even get to the Install Now
  button.  it crashes editing the /boot partition.

  ProblemType: Bug
  DistroRelease: Ubuntu 21.04
  Package: ubiquity 21.04.19
  ProcVersionSignature: Ubuntu 5.11.0-16.17-generic 5.11.12
  Uname: Linux 5.11.0-16-generic x86_64
  ApportVersion: 2.20.11-0ubuntu65.1
  Architecture: amd64
  CasperMD5CheckResult: pass
  CasperVersion: 1.461
  CurrentDesktop: KDE
  Date: Mon Jun  7 16:24:34 2021
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/kubuntu.seed maybe-ubiquity quiet splash ---
  LiveMediaBuild: Kubuntu 21.04 "Hirsute Hippo" - Release amd64 (20210420)
  RebootRequiredPkgs: linux-image-5.11.0-18-generic
  SourcePackage: ubiquity
  UpgradeStatus: No upgrade log present (probably fresh install)

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