Try to login into Gnome and receive the following error:
GConf error: Failed to contact configuration server; some possible causes are that you need to enable TCP/IP networking for ORBit, or you have stale NFS locks due to a system crash. See http://www.gnome.org/projects/gconf/ for information. (Details - 1: IOR file '/tmp/gconfd-username/lock/ior' not opened successfully, no gconfd located: Permission denied 2: IOR file '/tmp/gconfd-username/lock/ior' not opened successfully, no gconfd located: Permission denied)
The owner on the tmp/gconfd-username file was incorrect.
Change the owner of the tmp/gconfd-username to username