2008. szeptember 8.
...and gutsy again
So I updated again to Gutsy, and found out, that the cause of the xournal and X freezing and stopping to do anything is the modified LinuxWacom. As never before, after updated to Gutsy, and installed modified LinuxWacom again, the 3 onscreen button worked, and produced the same error as in feisty. So I installed the official LinuxWacom, now the 3 button doesn't work, but Xournal don't freeze.