After updating spice-gtk, system failed to showing X windows

Issue

• Installing RHBA-2013-1577 results in black screen at login instead of Gnome login screen.
• In the log, it shows the below.

/usr/libexec/gdm-simple-greeter: symbol lookup error: /usr/lib64/libgdk-x11-2.0.so.0: undefined symbol: _XGetRequest
** (process:21278): DEBUG: Greeter session pid=21278 display=:0.0 xauthority=/var/run/gdm/auth-for-gdm-CMTL1M/database
Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x160002b (Login Wind)
Window manager warning: meta_window_activate called by a pager with a 0 timestamp; the pager needs to be fixed.
/usr/libexec/gdm-simple-greeter: symbol lookup error: /usr/lib64/libgdk-x11-2.0.so.0: undefined symbol: _XGetRequest

• Following packages are installed

grep "Sat 28 Dec 2013 03:3" sos_commands/rpm/rpm_-qa_--qf_NAME_-_VERSION_-_RELEASE_._ARCH_INSTALLTIME_date_--
atk-1.30.0-1.el6.x86_64                                     Sat 28 Dec 2013 03:33:32 PM GST
glib2-2.26.1-3.el6.x86_64                                   Sat 28 Dec 2013 03:33:30 PM GST
gtk2-2.20.1-4.el6.x86_64                                    Sat 28 Dec 2013 03:33:36 PM GST
gtk2-immodule-xim-2.20.1-4.el6.x86_64                       Sat 28 Dec 2013 03:33:38 PM GST
spice-glib-0.20-11.el6.x86_64                               Sat 28 Dec 2013 03:33:37 PM GST
spice-gtk-0.20-11.el6.x86_64                                Sat 28 Dec 2013 03:33:37 PM GST
usbredir-0.5.1-1.el6.x86_64                                 Sat 28 Dec 2013 03:33:37 PM GST
virt-viewer-0.5.6-8.el6.x86_64                              Sat 28 Dec 2013 03:33:38 PM GST
zlib-1.2.3-29.el6.i686                                      Sat 28 Dec 2013 03:33:38 PM GST
zlib-1.2.3-29.el6.x86_64                                    Sat 28 Dec 2013 03:33:29 PM GST

• When trying to take grahpic console of host (rhel6) machine remotely getting following error:

# virt-manager 
Traceback (most recent call last):
  File "/usr/share/virt-manager/virt-manager.py", line 383, in <module>
    main()
  File "/usr/share/virt-manager/virt-manager.py", line 286, in main
    raise gtk_error
ImportError: /usr/lib64/libgdk-x11-2.0.so.0: undefined symbol: _XGetRequest