[CentOS] how to debug hardware lockups?

Rudi Ahlers  wrote:

> We have a server which locks up about once a week (for the
> past 3
> weeks now), without any warning, and the only way to
> recover it, is to
> reset the server. This causes unwanted downtime, and often
> software
> loss as well.
> 
> How do I debug the server, which runs CentOS 5.2 to see why
> it locks
> up? 

Are those the only logs you've got. Normally linux is very chatty,
and you get WARNING, PANIC etc messages. What kernel are you using?
Does a previous kernel or CentOS plus kernel stop the problem?

Regards,
Vandaman.