I have a Solo1450 Gateway laptop and I was having the exact same random freezes on this machine with NO LOG FILES showing anything! I tried the Powertop. I simply let to run for maybe 15 minutes and I accepted the four solutions it suggested. My laptop to running beautifully now with Ubuntu 8.04.1 Absolutely no hangups and lower CPU usage.
I have a Solo1450 Gateway laptop and I was having the exact same random freezes on this machine with NO LOG FILES showing anything! I tried the Powertop. I simply let to run for maybe 15 minutes and I accepted the four solutions it suggested. My laptop to running beautifully now with Ubuntu 8.04.1 Absolutely no hangups and lower CPU usage.
Give this solution a try!