Workstations shutting down for no apparent reason (F8)

[Roger Heflin]

Alain Cochard wrote:
> Hello.  I am running 40 workstations with 3 kinds of hardware, all
> under fedora 8.  From time to time -- about once every 3 days -- one
> of the machine (not always the same) shuts itself down.  Otherwise
> they are running 24 hours a day every day. 
> 
> The excerpt of the /var/log/messages that seems relevant to me is
> always similar to the following:
> 

If you have instant off set in the bios, there are a number of motherboards
on which the power switch will pick up enough noise to send a proper off
signal even though no one is pushing the button...

The easiest solution is to not set instant off.