oclhashcat troubleshooting clGetDeviceIDs() -1

What can you do if you get this:

ERROR: clGetDeviceIDs() -1

- are you logged in as the user who has opened the X session?

- did you use "export DISPLAY=:0"?

- is your display manager configed correctly?
(gdm example config: )

- did you get the latest driver?

Xanadrel_> Final result : only atom can use oclHashcat :D