Thanks for the tip. I have nautilus-dbg installed, but apparently no stack trace. N.b. with the debugger, I see the window draw, but without any options in it before the crash. Here is the output: jack@annecy:~$ gdb -p `pidof nautilus` GNU gdb 6.3-debian Copyright 2004 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Type "show copying" to see the conditions. There is absolutely no warranty for GDB. Type "show warranty" for details. This GDB was configured as "i486-linux-gnu". Attaching to process 9471 Using host libthread_db library "/lib/tls/i686/cmov/libthread_db.so.1". warning: could not load vsyscall page because no executable was specified warning: try using the "file" command first Reading symbols from /usr/bin/nautilus...Reading symbols from /usr/lib/debug/usr/bin/nautilus...done. done. Reading symbols from /usr/lib/libnautilus-private.so.2...Reading symbols from /usr/lib/debug/usr/lib/libnautilus-private.so.2.0.0...done. done. Loaded symbols for /usr/lib/libnautilus-private.so.2 Reading symbols from /usr/lib/libnautilus-extension.so.1...Reading symbols from /usr/lib/debug/usr/lib/libnautilus-extension.so.1.0.0...done. done. Loaded symbols for /usr/lib/libnautilus-extension.so.1 Reading symbols from /usr/lib/libeel-2.so.2...done. Loaded symbols for /usr/lib/libeel-2.so.2 Reading symbols from /usr/lib/libglade-2.0.so.0...done. Loaded symbols for /usr/lib/libglade-2.0.so.0 Reading symbols from /usr/lib/librsvg-2.so.2...done. Loaded symbols for /usr/lib/librsvg-2.so.2 Reading symbols from /usr/lib/liblaunchpad-integration.so.0...done. Loaded symbols for /usr/lib/liblaunchpad-integration.so.0 Reading symbols from /usr/lib/libgnome-desktop-2.so.2...done. Loaded symbols for /usr/lib/libgnome-desktop-2.so.2 Reading symbols from /usr/lib/libgnomeui-2.so.0...done. Loaded symbols for /usr/lib/libgnomeui-2.so.0 Reading symbols from /usr/lib/libgnome-2.so.0...done. Loaded symbols for /usr/lib/libgnome-2.so.0 Reading symbols from /usr/lib/libesd.so.0...done. Loaded symbols for /usr/lib/libesd.so.0 Reading symbols from /usr/lib/libgtk-x11-2.0.so.0...done. Loaded symbols for /usr/lib/libgtk-x11-2.0.so.0 Reading symbols from /usr/lib/libgdk-x11-2.0.so.0...done. Loaded symbols for /usr/lib/libgdk-x11-2.0.so.0 Reading symbols from /usr/lib/libatk-1.0.so.0...done. Loaded symbols for /usr/lib/libatk-1.0.so.0 Reading symbols from /usr/lib/libgdk_pixbuf-2.0.so.0...done. Loaded symbols for /usr/lib/libgdk_pixbuf-2.0.so.0 Reading symbols from /usr/lib/libpango-1.0.so.0...done. Loaded symbols for /usr/lib/libpango-1.0.so.0 Reading symbols from /usr/lib/libgnomevfs-2.so.0...Reading symbols from /usr/lib/debug/usr/lib/libgnomevfs-2.so.0.1200.1...done. done. Loaded symbols for /usr/lib/libgnomevfs-2.so.0 Reading symbols from /usr/lib/libxml2.so.2...done. Loaded symbols for /usr/lib/libxml2.so.2 Reading symbols from /usr/lib/libbonobo-2.so.0...done. Loaded symbols for /usr/lib/libbonobo-2.so.0 Reading symbols from /usr/lib/libgconf-2.so.4...done. Loaded symbols for /usr/lib/libgconf-2.so.4 Reading symbols from /usr/lib/libbonobo-activation.so.4...done. Loaded symbols for /usr/lib/libbonobo-activation.so.4 Reading symbols from /usr/lib/libORBit-2.so.0...done. Loaded symbols for /usr/lib/libORBit-2.so.0 Reading symbols from /usr/lib/libgobject-2.0.so.0...done. Loaded symbols for /usr/lib/libgobject-2.0.so.0 Reading symbols from /lib/tls/i686/cmov/libpthread.so.0...done. [Thread debugging using libthread_db enabled] [New Thread -1226029376 (LWP 9471)] [New Thread -1236350032 (LWP 9475)] [New Thread -1234842704 (LWP 9474)] [New Thread -1228006480 (LWP 9472)] Loaded symbols for /lib/tls/i686/cmov/libpthread.so.0 Reading symbols from /usr/lib/libglib-2.0.so.0...done. Loaded symbols for /usr/lib/libglib-2.0.so.0 Reading symbols from /usr/lib/libstartup-notification-1.so.0...done. Loaded symbols for /usr/lib/libstartup-notification-1.so.0 Reading symbols from /usr/lib/libX11.so.6...done. Loaded symbols for /usr/lib/libX11.so.6 Reading symbols from /usr/lib/libexif.so.12...done. Loaded symbols for /usr/lib/libexif.so.12 Reading symbols from /lib/libpopt.so.0...done. Loaded symbols for /lib/libpopt.so.0 Reading symbols from /lib/tls/i686/cmov/libc.so.6...done. Loaded symbols for /lib/tls/i686/cmov/libc.so.6 Reading symbols from /usr/lib/libgailutil.so.17...done. Loaded symbols for /usr/lib/libgailutil.so.17 Reading symbols from /usr/lib/libaudiofile.so.0...done. Loaded symbols for /usr/lib/libaudiofile.so.0 Reading symbols from /usr/lib/libSM.so.6...done. Loaded symbols for /usr/lib/libSM.so.6 Reading symbols from /usr/lib/libICE.so.6...done. Loaded symbols for /usr/lib/libICE.so.6 Reading symbols from /usr/lib/libbonoboui-2.so.0...done. Loaded symbols for /usr/lib/libbonoboui-2.so.0 Reading symbols from /usr/lib/libgnome-keyring.so.0...done. Loaded symbols for /usr/lib/libgnome-keyring.so.0 Reading symbols from /usr/lib/libz.so.1...done. Loaded symbols for /usr/lib/libz.so.1 Reading symbols from /usr/lib/libgnomecanvas-2.so.0...done. Loaded symbols for /usr/lib/libgnomecanvas-2.so.0 Reading symbols from /usr/lib/libart_lgpl_2.so.2...done. Loaded symbols for /usr/lib/libart_lgpl_2.so.2 Reading symbols from /usr/lib/libpangoft2-1.0.so.0...done. Loaded symbols for /usr/lib/libpangoft2-1.0.so.0 Reading symbols from /usr/lib/libpangocairo-1.0.so.0...done. Loaded symbols for /usr/lib/libpangocairo-1.0.so.0 Reading symbols from /usr/lib/libfontconfig.so.1...done. Loaded symbols for /usr/lib/libfontconfig.so.1 Reading symbols from /usr/lib/libXinerama.so.1...done. Loaded symbols for /usr/lib/libXinerama.so.1 Reading symbols from /usr/lib/libXi.so.6...done. Loaded symbols for /usr/lib/libXi.so.6 Reading symbols from /usr/lib/libXrandr.so.2...done. Loaded symbols for /usr/lib/libXrandr.so.2 Reading symbols from /usr/lib/libXext.so.6...done. Loaded symbols for /usr/lib/libXext.so.6 Reading symbols from /usr/lib/libXcursor.so.1...done. Loaded symbols for /usr/lib/libXcursor.so.1 Reading symbols from /usr/lib/libXfixes.so.3...done. Loaded symbols for /usr/lib/libXfixes.so.3 Reading symbols from /usr/lib/libcairo.so.2...done. Loaded symbols for /usr/lib/libcairo.so.2 Reading symbols from /usr/lib/libXrender.so.1...done. Loaded symbols for /usr/lib/libXrender.so.1 Reading symbols from /lib/tls/i686/cmov/libm.so.6...done. Loaded symbols for /lib/tls/i686/cmov/libm.so.6 Reading symbols from /usr/lib/libgmodule-2.0.so.0...done. Loaded symbols for /usr/lib/libgmodule-2.0.so.0 Reading symbols from /lib/tls/i686/cmov/libdl.so.2...done. Loaded symbols for /lib/tls/i686/cmov/libdl.so.2 Reading symbols from /usr/lib/libgthread-2.0.so.0...done. Loaded symbols for /usr/lib/libgthread-2.0.so.0 Reading symbols from /usr/lib/libgnome-menu.so.2...done. Loaded symbols for /usr/lib/libgnome-menu.so.2 Reading symbols from /usr/lib/libpangoxft-1.0.so.0...done. Loaded symbols for /usr/lib/libpangoxft-1.0.so.0 Reading symbols from /usr/lib/libpangox-1.0.so.0...done. Loaded symbols for /usr/lib/libpangox-1.0.so.0 Reading symbols from /usr/lib/libgsf-1.so.1...done. Loaded symbols for /usr/lib/libgsf-1.so.1 Reading symbols from /usr/lib/libcroco-0.6.so.3...done. Loaded symbols for /usr/lib/libcroco-0.6.so.3 Reading symbols from /usr/lib/libfreetype.so.6...done. Loaded symbols for /usr/lib/libfreetype.so.6 Reading symbols from /usr/lib/libjpeg.so.62...done. Loaded symbols for /usr/lib/libjpeg.so.62 Reading symbols from /usr/lib/libasound.so.2...done. Loaded symbols for /usr/lib/libasound.so.2 Reading symbols from /usr/lib/libgnutls.so.11...done. Loaded symbols for /usr/lib/libgnutls.so.11 Reading symbols from /lib/tls/i686/cmov/libresolv.so.2...done. Loaded symbols for /lib/tls/i686/cmov/libresolv.so.2 Reading symbols from /lib/tls/i686/cmov/librt.so.1...done. Loaded symbols for /lib/tls/i686/cmov/librt.so.1 Reading symbols from /usr/lib/libORBitCosNaming-2.so.0...done. Loaded symbols for /usr/lib/libORBitCosNaming-2.so.0 Reading symbols from /lib/ld-linux.so.2...done. Loaded symbols for /lib/ld-linux.so.2 Reading symbols from /usr/lib/libXau.so.6...done. Loaded symbols for /usr/lib/libXau.so.6 Reading symbols from /usr/lib/libXdmcp.so.6...done. Loaded symbols for /usr/lib/libXdmcp.so.6 Reading symbols from /usr/lib/libexpat.so.1...done. Loaded symbols for /usr/lib/libexpat.so.1 Reading symbols from /usr/lib/libpng12.so.0...done. Loaded symbols for /usr/lib/libpng12.so.0 Reading symbols from /usr/lib/libfam.so.0...done. Loaded symbols for /usr/lib/libfam.so.0 Reading symbols from /usr/lib/libXft.so.2...done. Loaded symbols for /usr/lib/libXft.so.2 Reading symbols from /usr/lib/libbz2.so.1.0...done. Loaded symbols for /usr/lib/libbz2.so.1.0 Reading symbols from /usr/lib/libtasn1.so.2...done. Loaded symbols for /usr/lib/libtasn1.so.2 Reading symbols from /usr/lib/libgcrypt.so.11...done. Loaded symbols for /usr/lib/libgcrypt.so.11 Reading symbols from /usr/lib/libgpg-error.so.0...done. Loaded symbols for /usr/lib/libgpg-error.so.0 Reading symbols from /lib/tls/i686/cmov/libnsl.so.1...done. Loaded symbols for /lib/tls/i686/cmov/libnsl.so.1 Reading symbols from /lib/tls/i686/cmov/libnss_compat.so.2...done. Loaded symbols for /lib/tls/i686/cmov/libnss_compat.so.2 Reading symbols from /lib/tls/i686/cmov/libnss_nis.so.2...done. Loaded symbols for /lib/tls/i686/cmov/libnss_nis.so.2 Reading symbols from /lib/tls/i686/cmov/libnss_files.so.2...done. Loaded symbols for /lib/tls/i686/cmov/libnss_files.so.2 Reading symbols from /usr/share/X11/locale/common/xlcUTF8Load.so.2...done. Loaded symbols for /usr/share/X11/locale/common/xlcUTF8Load.so.2 Reading symbols from /usr/lib/gconv/ISO8859-1.so...done. Loaded symbols for /usr/lib/gconv/ISO8859-1.so Reading symbols from /usr/lib/gtk-2.0/2.4.0/engines/libclearlooks.so...done. Loaded symbols for /usr/lib/gtk-2.0/2.4.0/engines/libclearlooks.so Reading symbols from /usr/lib/gtk-2.0/2.4.0/loaders/libpixbufloader-png.so...done. Loaded symbols for /usr/lib/gtk-2.0/2.4.0/loaders/libpixbufloader-png.so Reading symbols from /usr/lib/gnome-vfs-2.0/modules/libfile.so...done. Loaded symbols for /usr/lib/gnome-vfs-2.0/modules/libfile.so Reading symbols from /usr/lib/nautilus/extensions-1.0/libnautilus-fileroller.so...done. Loaded symbols for /usr/lib/nautilus/extensions-1.0/libnautilus-fileroller.so Reading symbols from /usr/lib/nautilus/extensions-1.0/libnautilus-gst-shares.so...done. Loaded symbols for /usr/lib/nautilus/extensions-1.0/libnautilus-gst-shares.so Reading symbols from /lib/tls/i686/cmov/libcrypt.so.1...done. Loaded symbols for /lib/tls/i686/cmov/libcrypt.so.1 Reading symbols from /lib/tls/i686/cmov/libutil.so.1...done. Loaded symbols for /lib/tls/i686/cmov/libutil.so.1 Reading symbols from /usr/lib/nautilus/extensions-1.0/libnautilus-burn-extension.so...done. Loaded symbols for /usr/lib/nautilus/extensions-1.0/libnautilus-burn-extension.so Reading symbols from /usr/lib/nautilus/extensions-1.0/libnautilus-fontilus.so...Reading symbols from /usr/lib/debug/usr/lib/nautilus/extensions-1.0/libnautilus-fontilus.so...done. done. Loaded symbols for /usr/lib/nautilus/extensions-1.0/libnautilus-fontilus.so Reading symbols from /usr/lib/nautilus/extensions-1.0/libnautilus-sendto.so...done. Loaded symbols for /usr/lib/nautilus/extensions-1.0/libnautilus-sendto.so Reading symbols from /usr/lib/nautilus/extensions-1.0/libnautilus-themus.so...Reading symbols from /usr/lib/debug/usr/lib/nautilus/extensions-1.0/libnautilus-themus.so...done. done. Loaded symbols for /usr/lib/nautilus/extensions-1.0/libnautilus-themus.so Reading symbols from /usr/lib/libgnome-window-settings.so.1...Reading symbols from /usr/lib/debug/usr/lib/libgnome-window-settings.so.1.0.0...done. done. Loaded symbols for /usr/lib/libgnome-window-settings.so.1 Reading symbols from /usr/lib/libmetacity-private.so.0...done. Loaded symbols for /usr/lib/libmetacity-private.so.0 Reading symbols from /usr/lib/nautilus/extensions-1.0/libtotem-properties-page.so...done. Loaded symbols for /usr/lib/nautilus/extensions-1.0/libtotem-properties-page.so Reading symbols from /usr/lib/libmusicbrainz.so.4...done. Loaded symbols for /usr/lib/libmusicbrainz.so.4 Reading symbols from /usr/lib/libstdc++.so.6...done. Loaded symbols for /usr/lib/libstdc++.so.6 Reading symbols from /usr/lib/libXtst.so.6...done. Loaded symbols for /usr/lib/libXtst.so.6 Reading symbols from /usr/lib/libgstgconf-0.8.so.0...done. Loaded symbols for /usr/lib/libgstgconf-0.8.so.0 Reading symbols from /usr/lib/libgstinterfaces-0.8.so.0...done. Loaded symbols for /usr/lib/libgstinterfaces-0.8.so.0 Reading symbols from /usr/lib/libgstreamer-0.8.so.1...done. Loaded symbols for /usr/lib/libgstreamer-0.8.so.1 Reading symbols from /lib/libgcc_s.so.1...done. Loaded symbols for /lib/libgcc_s.so.1 Reading symbols from /usr/lib/nautilus/extensions-1.0/libevince-properties-page.so...done. Loaded symbols for /usr/lib/nautilus/extensions-1.0/libevince-properties-page.soReading symbols from /usr/lib/libpoppler-glib.so.0...done. Loaded symbols for /usr/lib/libpoppler-glib.so.0 Reading symbols from /usr/lib/libpoppler.so.0...done. Loaded symbols for /usr/lib/libpoppler.so.0 Reading symbols from /usr/lib/libtiff.so.4...done. Loaded symbols for /usr/lib/libtiff.so.4 Reading symbols from /usr/lib/libdjvulibre.so.15...done. Loaded symbols for /usr/lib/libdjvulibre.so.15 Reading symbols from /usr/lib/libkpathsea.so.3...done. Loaded symbols for /usr/lib/libkpathsea.so.3 Reading symbols from /usr/lib/gnome-vfs-2.0/modules/libmapping.so...done. Loaded symbols for /usr/lib/gnome-vfs-2.0/modules/libmapping.so Reading symbols from /usr/lib/gnome-vfs-2.0/modules/libsftp.so...done. Loaded symbols for /usr/lib/gnome-vfs-2.0/modules/libsftp.so Reading symbols from /usr/lib/pango/1.4.0/modules/pango-basic-fc.so...done. Loaded symbols for /usr/lib/pango/1.4.0/modules/pango-basic-fc.so Reading symbols from /usr/lib/gnome-vfs-2.0/modules/libftp.so...done. Loaded symbols for /usr/lib/gnome-vfs-2.0/modules/libftp.so 0xffffe410 in ?? () (gdb) continue Continuing. Program received signal SIGSEGV, Segmentation fault. [Switching to Thread -1226029376 (LWP 9471)] 0xb7463b78 in strcmp () from /lib/tls/i686/cmov/libc.so.6