segmentation fault

[Bruno Wolff III]

On Fri, Jun 12, 2009 at 08:35:21 +0200,
  roland <roland at cat.be> wrote:
> Hello,
>
> I am trying to use grep
> But this gives me a 'segmentation fault'
>
> after p.e.
> ps -ef | grep cpio
>
> As i understand, this has something to do with script errors or compile  
> errors?
>
> How can I solve this? Reinstall it? Or...

This could be a hardware problem. Bad memory or overheated CPU.
Check to make sure your fans are running and that there isn't an inordinate
amount of dust on components. If that doesn't clear things up, run memtest
for a while.