Man, Linux actually crashed. My little Workrave window was about to come up telling me to take a break, and before it could be drawn by GTK, the whole computer hard-locked. That teaches me to run a development kernel (2.6.6-rc2) when there is a newer, stable release out.
Luckily I didn’t lose anything since I constantly save my work. But hard-locks are exactly why I switched away from Windows, so this was disheartening.
Once August rolls around I’ll upgrade my kernel to something more stable.