I have a similar problem using 2.6.20-13-generic - after about an hour of running, the kernel will claim the CPU has reached > 100C and shut the machine down, this does not happen with 2.6.20-12-generic and below.
Please contact me if any additional info is required; Online as 'ph8' or via email -- kernel 2.6.20-xx incorrectly claims processor overheating https://launchpad.net/bugs/94862 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
