clock interrupts eating whole cpu

[GiZmen]

> >yesterday i have noticed that my cpu is runnig on 100%.
> >And almost 100% is used on interrupts
> 
> >
> >  PID USERNAME  THR PRI NICE   SIZE    RES STATE    TIME   WCPU COMMAND
> >   27 root        1 -32 -151     0K     8K RUN     62:48 67.72% swi4: clock
> 
> Verify you don't have a console screen-saver configured, especially a 
> graphical one - it happened to me several times.

No i don't have screen saver on my box.