[Bug 1489530] [NEW] Kubuntu installer fails when mounted parts, does not restart

[xennex82]

Public bug reported:

When, from the Live CD you have mounted partitions resulting from manual
operation prior to initiating the install (of Kubuntu) the installer
will ask whether to unmount, or to continue after you have fixed the
issue of mounted partitions.

However, after you've unmounted the partition(s) and click continue, the
installer will hang. Recently, today, it hung on "Discovering
filesystems" or something of the kind -- the first step in the
background installation.

This has been true for 14.10 as well, it is a long-standing problem.
After you have then closed the installer, it will not run again. It will
not start up again.

Killing /usr/bin/python3 /usr/lib/ubiquity/bin/ubiquity kde_ui will
solve the problem of the installer not reappearing.

I'm not attaching partman as I feel my system is personal and private.
Equal for syslog. It is easy to reproduce this.


The configuration uses LUKS and an LVM inside the LUKS partition, with a separate /boot on a primary partition (or currently, inside the extended partition. I don't think there is anything special about the system, that might just be me. But I have had it more often, because I always do manual partitioning with my own LUKS. I always run into this problem when I forget to unmount before starting the installation (but after fixing all the mount points).

# lsb_release -rd
Description:    Ubuntu Wily Werewolf (development branch)
Release:        15.10

** Affects: ubiquity (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1489530

Title:
  Kubuntu installer fails when mounted parts, does not restart

Status in ubiquity package in Ubuntu:
  New

Bug description:
  When, from the Live CD you have mounted partitions resulting from
  manual operation prior to initiating the install (of Kubuntu) the
  installer will ask whether to unmount, or to continue after you have
  fixed the issue of mounted partitions.

  However, after you've unmounted the partition(s) and click continue,
  the installer will hang. Recently, today, it hung on "Discovering
  filesystems" or something of the kind -- the first step in the
  background installation.

  This has been true for 14.10 as well, it is a long-standing problem.
  After you have then closed the installer, it will not run again. It
  will not start up again.

  Killing /usr/bin/python3 /usr/lib/ubiquity/bin/ubiquity kde_ui will
  solve the problem of the installer not reappearing.

  I'm not attaching partman as I feel my system is personal and private.
  Equal for syslog. It is easy to reproduce this.

  
  The configuration uses LUKS and an LVM inside the LUKS partition, with a separate /boot on a primary partition (or currently, inside the extended partition. I don't think there is anything special about the system, that might just be me. But I have had it more often, because I always do manual partitioning with my own LUKS. I always run into this problem when I forget to unmount before starting the installation (but after fixing all the mount points).

  # lsb_release -rd
  Description:    Ubuntu Wily Werewolf (development branch)
  Release:        15.10

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