I just got the same problem with Mathematica 6.0.1. It worked fine on Gutsy, but not on Hardy. If you select your input, then you can see it. It looks like the color of the input text is white. I tried to change the color to black but nothing changes. Now the only way working is use
I just got the same problem with Mathematica 6.0.1. It worked fine on Gutsy, but not on Hardy. If you select your input, then you can see it. It looks like the color of the input text is white. I tried to change the color to black but nothing changes. Now the only way working is use
mathematica -defaultvisual
The font looks ugly but it works.