[Bug 1571025] [NEW] console-setup postinstall never ends in Ubuntu 16.04

[Luis Mondesi]

Public bug reported:

Today while doing a normal `apt-get upgrade`, the latest console-setup
package for Ubuntu 16.04 got stuck since 11:10 until about 14:25h when I
realized it was still running and I had to kill the process manaully.

$> sudo apt-get upgrade
...
Setting up console-setup (1.108ubuntu14) ...

$> ps -ef | grep console-setup
...
       PID  PPID USER      NI   RSS S STIME COMMAND
24542 24482 root       0  1812 S 11:10 /bin/sh /var/lib/dpkg/info/console-setup.postinst configure 1.108ubuntu13
24482 22027 root       0 18320 S 11:10 /usr/bin/perl -w /usr/share/debconf/frontend /var/lib/dpkg/info/console-setup.postinst configure 1.108ubuntu13
...
$> date
Fri Apr 15 14:25:11 EDT 2016

$> apt-cache show console-setup
Package: console-setup
Priority: important
Section: utils
Installed-Size: 437
Maintainer: Ubuntu Installer Team <ubuntu-installer at lists.ubuntu.com>
Original-Maintainer: Debian Install System Team <debian-boot at lists.debian.org>
Architecture: all
Version: 1.108ubuntu14

** Affects: console-setup (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1571025

Title:
  console-setup postinstall never ends in Ubuntu 16.04

Status in console-setup package in Ubuntu:
  New

Bug description:
  Today while doing a normal `apt-get upgrade`, the latest console-setup
  package for Ubuntu 16.04 got stuck since 11:10 until about 14:25h when
  I realized it was still running and I had to kill the process
  manaully.

  $> sudo apt-get upgrade
  ...
  Setting up console-setup (1.108ubuntu14) ...

  $> ps -ef | grep console-setup
  ...
         PID  PPID USER      NI   RSS S STIME COMMAND
  24542 24482 root       0  1812 S 11:10 /bin/sh /var/lib/dpkg/info/console-setup.postinst configure 1.108ubuntu13
  24482 22027 root       0 18320 S 11:10 /usr/bin/perl -w /usr/share/debconf/frontend /var/lib/dpkg/info/console-setup.postinst configure 1.108ubuntu13
  ...
  $> date
  Fri Apr 15 14:25:11 EDT 2016

  $> apt-cache show console-setup
  Package: console-setup
  Priority: important
  Section: utils
  Installed-Size: 437
  Maintainer: Ubuntu Installer Team <ubuntu-installer at lists.ubuntu.com>
  Original-Maintainer: Debian Install System Team <debian-boot at lists.debian.org>
  Architecture: all
  Version: 1.108ubuntu14

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