Issue

• Launching of GUI application fails upon login to Red Hat Enterprise Linux over ssh X forwarding
• Problem is not observed for root user
• Non root user account on system fails with below error

Last login: Fri Jul 19 10:08:50 2013 from host.example.com
/usr/bin/xauth:  timeout in locking authority file /home/user/.Xauthority
[user@host ~]$ echo $DISPLAY
localhost:10.0
[user@host ~]$ 
[user@host ~]$ gnome-terminal &
[1] 8152
[user@host ~]$ PuTTY X11 proxy: wrong authentication protocol attemptedFailed to parse arguments: Cannot open display:
[1]+  Exit 1                  gnome-terminal
[user@host ~]$ 

• No ~/.Xauthority file exist in home directory as mentioned in the error message.