touch-packages team mailing list archive

[Martin Pitt <martin.pitt@xxxxxxxxxx>]

> However, "sudo su -" does not result in the creation of
XDG_RUNTIME_DIR for the root user, hence UPSTART_SESSION is set to the
null value.

That's correct, and intended. This was explicitly done in
https://launchpad.net/ubuntu/+source/systemd/204-0ubuntu19.1 for bug
1197395. $XDG_RUNTIME_DIR must *never* be set for a session/program
which does not belong to the owner of /run/user/..., in particular not
root. Otherwise processes from root will damage/destroy the user's
runtime dir.

** Changed in: systemd (Ubuntu)
       Status: Confirmed => Won't Fix

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https://bugs.launchpad.net/bugs/1217863

Title:
  /etc/profile.d/upstart-phablet.sh sets UPSTART_SESSION to null value

Status in “systemd” package in Ubuntu:
  Won't Fix
Status in “ubuntu-touch-session” package in Ubuntu:
  Confirmed

Bug description:
  Script /etc/profile.d/upstart-phablet.sh sets XDG_RUNTIME_DIR to a
  suitable value, then calls:

  export UPSTART_SESSION=$(/sbin/initctl list-sessions | awk '{ print
  $NF; quit }')

  However, "sudo su -" does not result in the creation of
  XDG_RUNTIME_DIR for the root user, hence UPSTART_SESSION is set to the
  null value.

  This leads to confusing upstart behaviour:

  phablet@ubuntu-phablet:~$ sudo su -
  initctl: unable to determine sessions
  root@ubuntu-phablet:~# initctl list
  initctl: Unable to connect to Upstart: Empty address ''
  root@ubuntu-phablet:~# unset UPSTART_SESSION
  root@ubuntu-phablet:~# initctl list | head
  cgroup-lite start/running
  mountall-net stop/waiting
  mountnfs-bootclean.sh start/running
  passwd stop/waiting
  rc stop/waiting
  rsyslog start/running, process 437
  startpar-bridge stop/waiting
  tty4 stop/waiting
  udev start/running, process 631
  upstart-udev-bridge start/running, process 624

  I think the issue may actually be related to logind not creating
  XDG_RUNTIME_DIR.

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