Bug#624137: gdm: Fails to shutdown the system, in certain cases

Manuel Bilderbeek manuel at msxnet.org
Mon Apr 25 20:50:19 UTC 2011


Package: gdm
Version: 2.20.11-4
Severity: normal

Hi all

In the following scenario, GDM fails to shutdown the system:
1) login
2) choose "New login"
3) login there as well
4) switch to the first login (CTRL-ALT-F7)
5) choose 'shutdown'.
   You get a dialog in which you are told the system is not configured
   to shut down if other users are still logged in.
6) switch to the second login (CTRL-ALT-F8)
7) choose 'shutdown'
   You get the same dialog. Click "Cancel".
   You now get to see the first login again, still showing the dialog
   from step 5.
8) click "Cancel"
   You get back to the login screen.
9) choose "shutdown the system"
   GDM dies, but the system stays running. No shutdown is performed...

I know, it's a long story, but maybe it points to some interesting bug
:) At least GDM didn't do what I asked it to do and for people who are
afraid of textual login prompts, it results in a scary situation ;-)

-- System Information:
Debian Release: wheezy/sid
  APT prefers testing
  APT policy: (500, 'testing')
Architecture: amd64 (x86_64)

Kernel: Linux 2.6.38-2-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages gdm depends on:
ii  adduser                  3.112+nmu2      add and remove users and groups
ii  debconf [debconf-2.0]    1.5.38          Debian configuration management sy
ii  gksu                     2.0.2-5         graphical frontend to su
ii  gnome-session [x-session 2.30.2-3        The GNOME Session Manager - GNOME 
ii  gnome-terminal [x-termin 2.30.2-1        The GNOME terminal emulator applic
ii  kde-window-manager [x-wi 4:4.4.5-8       the K window manager (KWin)
ii  konsole [x-terminal-emul 4:4.4.5-3       X terminal emulator
ii  libart-2.0-2             2.3.21-1        Library of functions for 2D graphi
ii  libatk1.0-0              2.0.0-1         The ATK accessibility toolkit
ii  libattr1                 1:2.4.44-2      Extended attribute shared library
ii  libaudit0                1.7.13-1+b2     Dynamic library for security audit
ii  libc6                    2.11.2-11       Embedded GNU C Library: Shared lib
ii  libcairo2                1.10.2-6        The Cairo 2D vector graphics libra
ii  libdbus-1-3              1.4.6-1         simple interprocess messaging syst
ii  libdbus-glib-1-2         0.92-1          simple interprocess messaging syst
ii  libdmx1                  1:1.1.1-1       X11 Distributed Multihead extensio
ii  libfontconfig1           2.8.0-2.1       generic font configuration library
ii  libfreetype6             2.4.4-1         FreeType 2 font engine, shared lib
ii  libglade2-0              1:2.6.4-1       library to load .glade files at ru
ii  libglib2.0-0             2.28.6-1        The GLib library of C routines
ii  libgnomecanvas2-0        2.30.1-1        A powerful object-oriented display
ii  libgtk2.0-0              2.24.4-3        The GTK+ graphical user interface 
ii  libpam-modules           1.1.2-2         Pluggable Authentication Modules f
ii  libpam-runtime           1.1.2-2         Runtime support for the PAM librar
ii  libpam0g                 1.1.2-2         Pluggable Authentication Modules l
ii  libpango1.0-0            1.28.3-6        Layout and rendering of internatio
ii  librsvg2-2               2.32.1-1        SAX-based renderer library for SVG
ii  librsvg2-common          2.32.1-1        SAX-based renderer library for SVG
ii  libselinux1              2.0.98-1        SELinux runtime shared libraries
ii  libwrap0                 7.6.q-19        Wietse Venema's TCP wrappers libra
ii  libx11-6                 2:1.4.3-1       X11 client-side library
ii  libxau6                  1:1.0.6-1       X11 authorisation library
ii  libxdmcp6                1:1.1.0-1       X11 Display Manager Control Protoc
ii  libxext6                 2:1.2.0-2       X11 miscellaneous extension librar
ii  libxi6                   2:1.4.2-1       X11 Input extension library
ii  libxinerama1             2:1.1.1-1       X11 Xinerama extension library
ii  libxml2                  2.7.8.dfsg-2+b1 GNOME XML library
ii  lsb-base                 3.2-27          Linux Standard Base 3.2 init scrip
ii  metacity [x-window-manag 1:2.30.1-3      lightweight GTK+ window manager
ii  twm [x-window-manager]   1:1.0.6-1       Tab window manager
ii  xterm [x-terminal-emulat 269-1           X terminal emulator

Versions of packages gdm recommends:
ii  dialog                    1.1-20100428-1 Displays user-friendly dialog boxe
pn  gdm-themes                <none>         (no description available)
ii  whiptail                  0.52.11-2      Displays user-friendly dialog boxe
ii  xserver-xephyr            2:1.9.5-1      nested X server
ii  xserver-xorg              1:7.6+6        the X.Org X server
ii  zenity                    2.30.0-1       Display graphical dialog boxes fro

Versions of packages gdm suggests:
pn  libpam-gnome-keyring          <none>     (no description available)
ii  locales                       2.11.2-11  Embedded GNU C Library: National L
ii  pm-utils                      1.4.1-8    utilities and scripts for power ma

-- Configuration Files:
/etc/gdm/gdm.conf changed:
[daemon]
[security]
[xdmcp]
[gui]
[greeter]
GraphicalThemes=circles/:debian-moreblue/:debian-moreblue-orbit/:happygnome
[chooser]
[debug]
[servers]


-- debconf information:
  gdm/daemon_name: /usr/sbin/gdm
* shared/default-x-display-manager: gdm





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