The new joystick gave same troubles and i tried a gamepad with weird results, so you may be right it could be the the control input. so, here is my question...
What do u recomend should i contact ubuntu support team or can u guys give a hand with this?

I haven't tried other games, but i got a new joystick today. Im going to try it and I would report to you again later.

Hey, I got problems with FS2 and FSO. Here is the deal, this is the first time I compile something in linux. I manage to build FSO with the instructions found in freespacewiki and I think it work pretty good. I even build the launcher on my own. Im so proud of myself. WOW, this game is increadible a...