Sometimes there are strange, or almost shocking messages if you login on servers that are provided for ScoutLink. But thats real hard stuff:

Message from syslogd@local at Tue Apr 13 15:16:18 2010 … local kernel: CPU0: Temperature above threshold Message from syslogd@local at Tue Apr 13 15:16:18 2010 … local kernel: CPU0: Running in modulated clock mode

This happened while compiling a software module. To not kill the machine i stopped compiling and started some minutes later again.