Thinkpad X30 freeze if the Lid is closed Gnome Desktop Ubuntu Intel Graphic

Problem: If you use Gnome with Ubuntu 7.10 8.04 8.10 on an Thinkpad X30 and close the Display Lid the Laptop freeze into unknown state. Only a hard reset wakes up the laptop.

Solution: Disable the Lid Action at Gnome-Energy-Settings to „IGNORE“