Bug#481092: X Font Server crashing

[Lance Levsen]

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Package: gdm
Version: 2.20.5-2
Severity: important

I'm unsure if this is a GDM error or not. I'm getting these errors in
syslog and when they happen X Font Server crashes and I'm forced to
restart xfs. This is an X server, so xfs is required for thin clients.
This first happened with 2.20.5-1 and I upgraded to 2.20.5-2 but the
problem is persistent.

gdmgreeter[3150]: GdkPixbuf-CRITICAL: gdk_pixbuf_new_from_file_at_scale:
assertion `width > 0 || width == -1' failed
gdmgreeter[3150]: GLib-GObject-WARNING: invalid (NULL) pointer instance
gdmgreeter[3150]: GLib-GObject-CRITICAL: g_signal_connect_data:
assertion `G_TYPE_CHECK_INSTANCE (instance)' failed
gdmgreeter[3150]: GdkPixbuf-CRITICAL: gdk_pixbuf_new_from_file_at_scale:
assertion `width > 0 || width == -1' failed
gdmgreeter[3150]: GLib-GObject-WARNING: invalid (NULL) pointer instance
gdmgreeter[3150]: GLib-GObject-CRITICAL: g_signal_connect_data:
assertion `G_TYPE_CHECK_INSTANCE (instance)' failed

It seems to appear somewhat randomly when users log in or log out.
I'm running both xfs and xfstt and the problem doesn't seem to effect
xfstt.

xfonts installed:
libxfont1                                       install
xfonts-100dpi                                   install
xfonts-75dpi                                    install
xfonts-base                                     install
xfonts-encodings                                install
xfonts-scalable                                 install
xfonts-utils                                    install

- -- System Information:
Debian Release: lenny/sid
  APT prefers unstable
  APT policy: (500, 'unstable')
Architecture: i386 (i686)

Kernel: Linux 2.6.24-1-686 (SMP w/4 CPU cores)
Locale: LANG=C, LC_CTYPE=C (charmap=UTF-8) (ignored: LC_ALL set to
en_CA.UTF-8)
Shell: /bin/sh linked to /bin/bash

Versions of packages gdm depends on:
ii  adduser              3.107               add and remove users and groups
ii  debconf [debconf-2.0 1.5.21              Debian configuration
management sy
ii  gksu                 2.0.0-5             graphical frontend to su
ii  gnome-session [x-ses 2.22.0-2            The GNOME 2 Session Manager
ii  gnome-terminal [x-te 2.22.1-1            The GNOME 2 terminal
emulator appl
ii  konsole [x-terminal- 4:3.5.9.dfsg.1-2+b1 X terminal emulator for KDE
ii  libart-2.0-2         2.3.20-2            Library of functions for 2D
graphi
ii  libatk1.0-0          1.22.0-1            The ATK accessibility toolkit
ii  libattr1             1:2.4.41-1          Extended attribute shared
library
ii  libc6                2.7-11              GNU C Library: Shared libraries
ii  libcairo2            1.6.4-1+b1          The Cairo 2D vector
graphics libra
ii  libdbus-1-3          1.2.1-2             simple interprocess
messaging syst
ii  libdbus-glib-1-2     0.74-4              simple interprocess
messaging syst
ii  libdmx1              1:1.0.2-3           X11 Distributed Multihead
extensio
ii  libfontconfig1       2.5.0-2             generic font configuration
library
ii  libfreetype6         2.3.5-1+b1          FreeType 2 font engine,
shared lib
ii  libglade2-0          1:2.6.2-1           library to load .glade
files at ru
ii  libglib2.0-0         2.16.3-2            The GLib library of C routines
ii  libgnomecanvas2-0    2.20.1.1-1          A powerful object-oriented
display
ii  libgtk2.0-0          2.12.9-4            The GTK+ graphical user
interface
ii  libpam-modules       0.99.7.1-6          Pluggable Authentication
Modules f
ii  libpam-runtime       0.99.7.1-6          Runtime support for the PAM
librar
ii  libpam0g             0.99.7.1-6          Pluggable Authentication
Modules l
ii  libpango1.0-0        1.20.2-2            Layout and rendering of
internatio
ii  librsvg2-2           2.22.2-2            SAX-based renderer library
for SVG
ii  librsvg2-common      2.22.2-2            SAX-based renderer library
for SVG
ii  libselinux1          2.0.59-1            SELinux shared libraries
ii  libwrap0             7.6.q-15            Wietse Venema's TCP
wrappers libra
ii  libx11-6             2:1.0.3-7           X11 client-side library
ii  libxau6              1:1.0.3-2           X11 authorisation library
ii  libxdmcp6            1:1.0.2-2           X11 Display Manager Control
Protoc
ii  libxext6             2:1.0.4-1           X11 miscellaneous extension
librar
ii  libxi6               2:1.1.3-1           X11 Input extension library
ii  libxinerama1         2:1.0.3-1           X11 Xinerama extension library
ii  libxml2              2.6.32.dfsg-2       GNOME XML library
ii  lsb-base             3.2-12              Linux Standard Base 3.2
init scrip
ii  metacity [x-window-m 1:2.22.0-1          A lightweight GTK2 based
Window Ma
ii  zlib1g               1:1.2.3.3.dfsg-12   compression library - runtime

Versions of packages gdm recommends:
ii  dialog                    1.1-20080316-1 Displays user-friendly
dialog boxe
ii  gdm-themes                0.5.1          Themes for the GNOME
Display Manag
ii  whiptail                  0.52.2-11.2    Displays user-friendly
dialog boxe
pn  xserver-xephyr | xnest    <none>         (no description available)
ii  xserver-xorg              1:7.3+10       the X.Org X server
ii  zenity                    2.22.1-1       Display graphical dialog
boxes fro

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