Here's the X log. I haven't really gone through it very detailed, but i don't know exacly what to look for either.
I've taken a screenshot with the import command so you can see what it looks like. Even the import command makes more errors than was not originally on the screen, so it's not as bad as it looks like. But it can be. But anyway that command clearly says that something is not right.
I tried to put the log as an attachtment, but if you can't find it, here's a link: