sap gui is not working fine in ubuntu 14.04
i am installed ecc ehp6 server in windows 2008 r2,we run sgen also after installation...
and for users we installed ubuntu 14.04 version sap front end gui is PlatinGUI740_4-20012039.JAR for java is installed and
java version "1.9.0-ea"
Java(TM) SE Runtime Environment (build 1.9.0-ea-b81)..... but after login to gui we are facing many issues like it was very slow compared to windows and taking long for some t codes and after using some keyboard is not working in sap. for abap team some screens are not enabling.can anyone help me what is the issue. but its working perfect in windows machine.
thanks and regards