"The X server must ideally cooperate with with open and
closed ATI, NVIDIA and Intel cards, but not forget those from
smaller providers, a fact that becomes most noticeable to users
when they're sitting in front of blank screens instead of the
desktop. The call for help from Ubuntu users keeps coming to
Harrington as bug reports on Launchpad.
"Now Harrington is calling for help himself. His graph of bug
reports for Karmic Koala in recent weeks "literally went off the
chart," which prompted him to recommend concrete steps to avoid
future X.org problems."