Latest working kernel version: ? Earliest failing kernel version: ? Distribution: Ubuntu 8.04.1 and others tested Hardware Environment: older PC, AMD Athlon XP 2400+, Ati Radeon 9250, ... Software Environment: Problem Description: Everytime I start my PC, I get a screen like the one on the picture. When I restart my PC, it boots normally. But after he wasn't turned on a while, the screen comes again and I have to reboot. Link to picture: http://img101.imageshack.us/my.php?image=dscf1698sw5.jpg