[Bug 1855531] Re: Installation - partition manager is breaking

[oldfred]

Similar issue with Ubiquity 20.04.3 as of Dec 7, 2019.
Installing to sdb, asked it to unmount sda partitions, but it said it could not unmount sda5 where isodevice is mounted.
Selected to not use ESP on sda, but use ESP on sdb, unselected swap on sda & swap on sdb. Install to sdb12, format and use as ext4 & use as /. 

Lots of warnings & error messages
GtkBox does not have a child property
XDG_RUNTIME_DIR (/run/user/999) is not owned by us (uid 0)
Gtk-CRITICAL gtk_widget_set .. failed
/usr/lib/ubiquity/plugins/ubi-usersetup.py:372: Warning: Source ID 12889 was not found when attempting to remove it
  GLib.source_remove(self.hostname_timeout_id)
Gdk-Message: 13:41:25.443: ubiquity: Fatal IO error 11 (Resource temporarily unavailable) on X server :0.




** Attachment added: "Full debug"
   https://bugs.launchpad.net/ubuntu/+source/ubiquity/+bug/1855531/+attachment/5310568/+files/debug

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https://bugs.launchpad.net/bugs/1855531

Title:
  Installation - partition manager is breaking

Status in ubiquity package in Ubuntu:
  Confirmed

Bug description:
  Daily kubuntu, clean install in virtualbox

  I wanted to try if it is possible to have an encrypted boot partition
  too, like openSuSE.

  I opted for manual configuration of the partitions and created a new
  partition table. First i created a small (1G) partition and chosed
  "encrypted storage" (or whatever it was called) instead of a file
  system. I closed the dialog window.

  Then I did the same thing with the intended root partition. It crashed
  when i closed that dialog.

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: ubiquity 20.04.2
  ProcVersionSignature: Ubuntu 5.3.0-18.19-generic 5.3.1
  Uname: Linux 5.3.0-18-generic x86_64
  ApportVersion: 2.20.11-0ubuntu9
  Architecture: amd64
  CasperVersion: 1.432
  CurrentDesktop: KDE
  Date: Sat Dec  7 11:58:36 2019
  InstallCmdLine: file=/cdrom/preseed/kubuntu.seed maybe-ubiquity initrd=/casper/initrd quiet splash --- maybe-ubiquity
  LiveMediaBuild: Kubuntu 20.04 LTS "Focal Fossa" - Alpha amd64 (20191202)
  SourcePackage: ubiquity
  UpgradeStatus: No upgrade log present (probably fresh install)

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