[Bug 1313712] [NEW] Trusty's libselinux1 is causes issues with Precise's upstart during dist-upgrade

[Michael Schaller]

Public bug reported:

Hi everyone,

During troubleshooting of bug http://pad.lv/1303891 I've also discovered
that Precise's upstart version doesn't work with Trusty's libselinux1.
This is a major issue during a dist-upgrade from Precise to Trusty as
upstart is severely affected by this and looses track of service PIDs
which prevents service reloads.

Can someone add a Breaks for Precise's upstart version to Trusty's
libselinux1 debian/control file?

Reproduction instructions:
Install Ubuntu 12.04.4.

$ sudo apt-get update -qq && sudo apt-get dist-upgrade -qqy
<no output; no updates>

$ initctl list
avahi-daemon start/running, process 765
...

$ sudo sed -i 's/precise/trusty/g' /etc/apt/sources.list

$ sudo apt-get update -qq
<no ouput; no errors>

$ sudo apt-get install libselinux1 -y
...

New dmesg lines:
[ 256.032898] init: Re-executing /sbin/init

New syslog lines:
Apr 23 14:51:40 test upstart-socket-bridge[1090]: Disconnected from Upstart
Apr 23 14:51:40 test upstart-udev-bridge[595]: Disconnected from Upstart

$ initctl list
avahi-daemon stop/waiting
...

Upstart lost track of service PIDs. Commands like 'initctl reload dbus'
will fail.

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


** Tags: trusty

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https://bugs.launchpad.net/bugs/1313712

Title:
  Trusty's libselinux1 is causes issues with Precise's upstart during
  dist-upgrade

Status in “libselinux” package in Ubuntu:
  New

Bug description:
  Hi everyone,

  During troubleshooting of bug http://pad.lv/1303891 I've also
  discovered that Precise's upstart version doesn't work with Trusty's
  libselinux1. This is a major issue during a dist-upgrade from Precise
  to Trusty as upstart is severely affected by this and looses track of
  service PIDs which prevents service reloads.

  Can someone add a Breaks for Precise's upstart version to Trusty's
  libselinux1 debian/control file?

  Reproduction instructions:
  Install Ubuntu 12.04.4.

  $ sudo apt-get update -qq && sudo apt-get dist-upgrade -qqy
  <no output; no updates>

  $ initctl list
  avahi-daemon start/running, process 765
  ...

  $ sudo sed -i 's/precise/trusty/g' /etc/apt/sources.list

  $ sudo apt-get update -qq
  <no ouput; no errors>

  $ sudo apt-get install libselinux1 -y
  ...

  New dmesg lines:
  [ 256.032898] init: Re-executing /sbin/init

  New syslog lines:
  Apr 23 14:51:40 test upstart-socket-bridge[1090]: Disconnected from Upstart
  Apr 23 14:51:40 test upstart-udev-bridge[595]: Disconnected from Upstart

  $ initctl list
  avahi-daemon stop/waiting
  ...

  Upstart lost track of service PIDs. Commands like 'initctl reload
  dbus' will fail.

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