Bug#520109: python-gtk2: running bleachbit without X causes segfault in gtk

Tue Mar 17 13:23:29 UTC 2009

Package: python-gtk2
Version: 2.14.1-1
Severity: normal

Running bleachbit (version 0.4.0-1) without X causes a segfault in gtk.
(a bug against bleachbit not catching the missing X server is already filed) 
I dont know if this is a bug of gtk or pygtk, but pygtk should always throw an exception instead of segfaulting.

gdb python
GNU gdb 6.8-debian
Copyright (C) 2008 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "i486-linux-gnu"...
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(gdb) run /usr/bin/bleachbit
Starting program: /usr/bin/python /usr/bin/bleachbit
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[Thread debugging using libthread_db enabled]
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[New Thread 0xb7d6d6c0 (LWP 7210)]
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/var/lib/python-support/python2.5/gtk-2.0/gtk/__init__.py:72: GtkWarning: could not open display
  warnings.warn(str(e), _gtk.Warning)
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/var/lib/python-support/python2.5/bleachbit/GUI.py:607: Warning: invalid (NULL) pointer instance
  self.window = gtk.Window()
/var/lib/python-support/python2.5/bleachbit/GUI.py:607: Warning: g_signal_connect_data: assertion `G_TYPE_CHECK_INSTANCE (instance)' failed
  self.window = gtk.Window()
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/var/lib/python-support/python2.5/bleachbit/GUI.py:573: Warning: invalid (NULL) pointer instance
  menubar = uimanager.get_widget('/MenuBar')
/var/lib/python-support/python2.5/bleachbit/GUI.py:573: Warning: g_signal_connect_data: assertion `G_TYPE_CHECK_INSTANCE (instance)' failed
  menubar = uimanager.get_widget('/MenuBar')
/var/lib/python-support/python2.5/bleachbit/GUI.py:573: GtkWarning: gtk_settings_get_for_screen: assertion `GDK_IS_SCREEN (screen)' failed
  menubar = uimanager.get_widget('/MenuBar')
/var/lib/python-support/python2.5/bleachbit/GUI.py:573: Warning: g_object_get: assertion `G_IS_OBJECT (object)' failed
  menubar = uimanager.get_widget('/MenuBar')
/var/lib/python-support/python2.5/bleachbit/GUI.py:573: Warning: value "TRUE" of type `gboolean' is invalid or out of range for property `visible' of type `gboolean'
  menubar = uimanager.get_widget('/MenuBar')
/var/lib/python-support/python2.5/bleachbit/GUI.py:578: Warning: invalid (NULL) pointer instance
  toolbar = gtk.Toolbar()
/var/lib/python-support/python2.5/bleachbit/GUI.py:578: Warning: g_signal_connect_data: assertion `G_TYPE_CHECK_INSTANCE (instance)' failed
  toolbar = gtk.Toolbar()
/var/lib/python-support/python2.5/bleachbit/GUI.py:584: Warning: invalid (NULL) pointer instance
  tooltips = gtk.Tooltips()
/var/lib/python-support/python2.5/bleachbit/GUI.py:584: Warning: g_signal_connect_data: assertion `G_TYPE_CHECK_INSTANCE (instance)' failed
  tooltips = gtk.Tooltips()
/var/lib/python-support/python2.5/bleachbit/GUI.py:526: GtkWarning: gtk_settings_get_for_screen: assertion `GDK_IS_SCREEN (screen)' failed
  scrolled_window = gtk.ScrolledWindow()
/var/lib/python-support/python2.5/bleachbit/GUI.py:248: GtkWarning: gtk_settings_get_for_screen: assertion `GDK_IS_SCREEN (screen)' failed
  self.view.append_column(self.column0)
/var/lib/python-support/python2.5/bleachbit/GUI.py:248: Warning: g_object_get: assertion `G_IS_OBJECT (object)' failed
  self.view.append_column(self.column0)
/var/lib/python-support/python2.5/bleachbit/GUI.py:257: GtkWarning: gtk_settings_get_for_screen: assertion `GDK_IS_SCREEN (screen)' failed
  self.view.append_column(self.column1)
/var/lib/python-support/python2.5/bleachbit/GUI.py:257: Warning: g_object_get: assertion `G_IS_OBJECT (object)' failed
  self.view.append_column(self.column1)
/var/lib/python-support/python2.5/bleachbit/GUI.py:639: GtkWarning: gtk_settings_get_for_screen: assertion `GDK_IS_SCREEN (screen)' failed
  swindow = gtk.ScrolledWindow()
/var/lib/python-support/python2.5/bleachbit/GUI.py:644: GtkWarning: gdk_pango_context_get_for_screen: assertion `GDK_IS_SCREEN (screen)' failed
  swindow.add(textview)
/var/lib/python-support/python2.5/bleachbit/GUI.py:644: PangoWarning: pango_context_set_font_description: assertion `context != NULL' failed
  swindow.add(textview)
/var/lib/python-support/python2.5/bleachbit/GUI.py:644: PangoWarning: pango_context_set_base_dir: assertion `context != NULL' failed
  swindow.add(textview)
/var/lib/python-support/python2.5/bleachbit/GUI.py:644: PangoWarning: pango_context_set_language: assertion `context != NULL' failed
  swindow.add(textview)
/var/lib/python-support/python2.5/bleachbit/GUI.py:644: Warning: g_object_unref: assertion `G_IS_OBJECT (object)' failed
  swindow.add(textview)
/var/lib/python-support/python2.5/bleachbit/GUI.py:644: GtkWarning: gtk_settings_get_for_screen: assertion `GDK_IS_SCREEN (screen)' failed
  swindow.add(textview)
/var/lib/python-support/python2.5/bleachbit/GUI.py:644: GtkWarning: gdk_screen_get_display: assertion `GDK_IS_SCREEN (screen)' failed
  swindow.add(textview)
/var/lib/python-support/python2.5/bleachbit/GUI.py:644: GtkWarning: gdk_keymap_get_for_display: assertion `GDK_IS_DISPLAY (display)' failed
  swindow.add(textview)
/var/lib/python-support/python2.5/bleachbit/GUI.py:644: Warning: g_object_get: assertion `G_IS_OBJECT (object)' failed
  swindow.add(textview)

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0xb7d6d6c0 (LWP 7210)]
0xb756492e in gdk_keymap_get_direction () from /usr/lib/libgdk-x11-2.0.so.0
(gdb) bt
#0  0xb756492e in gdk_keymap_get_direction () from /usr/lib/libgdk-x11-2.0.so.0
#1  0xb777ed1c in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#2  0x00000000 in ?? ()
(gdb) quit

Cheers, Martin.

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

Kernel: Linux 2.6.26-1-686 (SMP w/1 CPU core)
Locale: LANG=C, LC_CTYPE=C (charmap=ANSI_X3.4-1968)
Shell: /bin/sh linked to /bin/bash

Versions of packages python-gtk2 depends on:
ii  libatk1.0-0            1.24.0-2          The ATK accessibility toolkit
ii  libc6                  2.9-4             GNU C Library: Shared libraries
ii  libcairo2              1.8.6-2+b1        The Cairo 2D vector graphics libra
ii  libfontconfig1         2.6.0-3           generic font configuration library
ii  libfreetype6           2.3.9-4           FreeType 2 font engine, shared lib
ii  libglib2.0-0           2.20.0-1          The GLib library of C routines
ii  libgtk2.0-0            2.14.7-4+b1       The GTK+ graphical user interface 
ii  libpango1.0-0          1.22.4-2          Layout and rendering of internatio
ii  python                 2.5.4-2           An interactive high-level object-o
ii  python-cairo [python2. 1.4.12-1.2        Python bindings for the Cairo vect
ii  python-gobject [python 2.16.1-1          Python bindings for the GObject li
ii  python-support         0.8.7             automated rebuilding support for P
ii  python2.5              2.5.4-1           An interactive high-level object-o
ii  zlib1g                 1:1.2.3.3.dfsg-13 compression library - runtime

Versions of packages python-gtk2 recommends:
ii  python-numpy                  1:1.2.1-1  Numerical Python adds a fast array

Versions of packages python-gtk2 suggests:
pn  python-gtk2-doc               <none>     (no description available)

-- no debconf information