Created attachment 478316 [details]
login screen screenshot

Description of problem:
Login screen freezes when I start my notebook.


Version-Release number of selected component (if applicable):


How reproducible:
The bug reproduces every time. I can start to work only after logging into virtual console and killing gnome-session.


Steps to Reproduce:
1. Reboot or start a machine.
2. Wait for a login screen.
  

Actual results:
The login screen freezes. It's impossible to select a user or enter a password.
(see a screenshot)


Expected results:
User can select a user and enter a password.


Additional info:

/var/log/gdm/:0-greeter.log:

** (<unknown>:1844): DEBUG: Client registered with session manager: /org/gnome/SessionManager/Client1

** (gnome-settings-daemon:1845): WARNING **: AT-SPI: Accessibility bus not found - Using session bus.

** (process:1863): DEBUG: Greeter session pid=1863 display=:0.0 xauthority=/var/run/gdm/auth-for-gdm-9XnwsZ/database

(gnome-settings-daemon:1845): GdkPixbuf-CRITICAL **: gdk_pixbuf_format_get_name: assertion `format != NULL' failed
Internal error:   Could not resolve keysym XF86TouchpadOn
Internal error:   Could not resolve keysym XF86TouchpadOff
gdm-simple-greeter[1863]: Gtk-WARNING: gtkwidget.c:5691: widget not within a GtkWindow
Ð<9f>Ñ<80>едÑ<83>пÑ<80>еждение менеджеÑ<80>а окон: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x280002b (Ð<9e>кно Ð)
Ð<9f>Ñ<80>едÑ<83>пÑ<80>еждение менеджеÑ<80>а окон: meta_window_activate called by a pager with a 0 timestamp; the pager needs to be fixed.
Ð<9f>Ñ<80>едÑ<83>пÑ<80>еждение менеджеÑ<80>а окон: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x280002b (Ð<9e>кно Ð)
Ð<9f>Ñ<80>едÑ<83>пÑ<80>еждение менеджеÑ<80>а окон: meta_window_activate called by a pager with a 0 timestamp; the pager needs to be fixed.
Failed to play sound: File or data not found

** (<unknown>:1844): WARNING **: Failed to send buffer
Wrote /var/run/gdm/greeter/GDM-Screenshot.png

** (<unknown>:1844): WARNING **: Failed to send buffer
Wrote /var/run/gdm/greeter/GDM-Screenshot.png