Comment 54 for bug 553200

i have a similar problem. i am using nvidia 96.43.14 and if I click on the password box gdm crashes and restarts. I can however use xdm just fine. i am using lucid all up to date as of 4-20-10.
here are log ouput:
cat /var/log/gdm/:0-greeter.log
Window manager warning: Failed to read saved session file /var/lib/gdm/.config/metacity/sessions/107a462c227fba2906127175887057632200000012080007.ms: Failed to open file '/var/lib/gdm/.config/metacity/sessions/107a462c227fba2906127175887057632200000012080007.ms': No such file or directory
** (process:1220): DEBUG: Greeter session pid=1220 display=:0.0 xauthority=/var/run/gdm/auth-for-gdm-1EHe8v/database

(gnome-power-manager:1222): GLib-GObject-WARNING **: /build/buildd/glib2.0-2.24.0/gobject/gsignal.c:2273: signal `proxy-status' is invalid for instance `0x8997588'
gdm-simple-greeter[1220]: Gtk-WARNING: /build/buildd/gtk+2.0-2.20.0/gtk/gtkwidget.c:5636: widget not within a GtkWindow
Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x1200047 (Login Wind)
Window manager warning: meta_window_activate called by a pager with a 0 timestamp; the pager needs to be fixed.
Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x1200047 (Login Wind)
Window manager warning: meta_window_activate called by a pager with a 0 timestamp; the pager needs to be fixed.

** (ck-history:1234): WARNING **: Unable to parse session removed event: seat-id='Seat1' session-id='Session6' session-type='' session-x11-display=':0' session-x11-display-device='/dev/tty8' session-display-device='/dev/tty1' session-remote-host-name='' session-is-local=TRUE session-unix-user=1000 session1270814665.159 type=SEAT_ADDED : seat-id='Seat1' seat-kind=0

(gnome-power-manager:1222): GLib-GObject-CRITICAL **: g_object_unref: assertion `G_IS_OBJECT (object)' failed
Window manager warning: CurrentTime used to choose focus window; focus window may not be correct.
Window manager warning: Got a request to focus the no_focus_window with a timestamp of 0. This shouldn't happen!
gnome-settings-daemon: Fatal IO error 104 (Connection reset by peer) on X server :0.0.

/var/log/xorg.0.log
http://pastebin.com/8KP37RKq