[Bug 1295521] Re: cannot shutdown/suspend/restart from the GUI

[Martin Pitt]

The various PAM packages explicitly declare themselves as multi-arch
compatible. Of course they could just drop their Multi-Arch: flag again
so that you can only have the native PAM stack installed, not a foreign
arch one in parallel. However, I suppose there was a specific reason to
make them multi-arch compatible. Steve, do you know why this is
beneficial, and how we could debug what's going on here if you install
both stacks at the same time? Thanks!

** Changed in: lightdm
       Status: New => Invalid

** Summary changed:

- cannot shutdown/suspend/restart from the GUI
+ Installing i386 and amd64 PAM stacks causes shutdown/logout/etc. to break

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https://bugs.launchpad.net/bugs/1295521

Title:
  Installing i386 and amd64 PAM stacks causes shutdown/logout/etc. to
  break

Status in Light Display Manager:
  Invalid
Status in “systemd” package in Ubuntu:
  Confirmed

Bug description:
  Hi,

  After I upgraded to Ubuntu Trusty, I've seen that it is no longer
  possible to suspend/shutdown/restart my system from the GUI. In other
  words within lightdm buttons to do so are grayed out, and within KDE
  it is the same. I had the same bug in Saucy beta and the culprit was
  the login component, and after its upgrade the issue was fixed.

  My system :
  Kubuntu 14.04 LTS AMD64
  AMD Phenom 9850 
  8 GB RAM
  NVidia GeForce 660 Ti w/ NVidia 331 driver

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: login 1:4.1.5.1-1ubuntu9
  ProcVersionSignature: Ubuntu 3.13.0-18.38-generic 3.13.6
  Uname: Linux 3.13.0-18-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.13.3-0ubuntu1
  Architecture: amd64
  CurrentDesktop: KDE
  Date: Fri Mar 21 07:21:52 2014
  ProcEnviron:
   LANGUAGE=fr_FR
   TERM=xterm
   PATH=(custom, no user)
   LANG=fr_FR.UTF-8
   SHELL=/bin/bash
  SourcePackage: shadow
  UpgradeStatus: Upgraded to trusty on 2014-03-20 (0 days ago)

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