Comment 0 for bug 1313712

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Michael Schaller (misch-9) wrote : Trusty's libselinux1 is causes issues with Precise's upstart during dist-upgrade

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.