Can you please try logging in using the "Failsafe xterm" session from GDM? If that is successful (ie, you see a xterm window), please run "gnome-session --debug 2>&1 | tee ~/gnome-session.log" and post the resulting log file if the session doesn't start successfully.
Can you please try logging in using the "Failsafe xterm" session from GDM? If that is successful (ie, you see a xterm window), please run "gnome-session --debug 2>&1 | tee ~/gnome- session. log" and post the resulting log file if the session doesn't start successfully.