I'm confirming it due to the number of comments, but regarding comment #73 it's clearly a Mathematica issue and not a Ubuntu one (invalid would be more appropriate) and the next major release of Mathematica should resolve most of this issues.
I'm confirming it due to the number of comments, but regarding comment #73 it's clearly a Mathematica issue and not a Ubuntu one (invalid would be more appropriate) and the next major release of Mathematica should resolve most of this issues.