system crashes every 20 minutes

[Bret Stern]

> -----Original Message-----
> From: redhat-install-list-bounces at redhat.com 
> [mailto:redhat-install-list-bounces at redhat.com] On Behalf Of 
> Rob Crittenden
> Sent: Tuesday, October 30, 2007 6:58 AM
> To: Getting started with Red Hat Linux
> Subject: Re: system crashes every 20 minutes
> 
> Chen, Douglas wrote:
> > Hi,
> > 
> >  
> > 
> > I have a Dell Precision 470 running Redhat WS release 4 
> (linux 2.6.9-5
> > ELsmp) that crashes every 20 minutes. It was working fine 
> till recently. 
> > I tried to reinstall the OS that didn't help. I think it 
> might be the 
> > hardware that cause the problem, but can't figure out which 
> parts is 
> > defected and needs to be replaced from command "dmesg" output. Can 
> > anyone tell me what the problem is from the following dmesg 
> message or 
> > there are more commands to use to identify the defect 
> parts? Your help 
> > is greatly appreciated.
> > 
> 
> I'd install and setup lm_sensors and monitor your temperatures and/or 
> open the case and verify that all the fans are working.
> 
> rob
> 
> _______________________________________________

Many Dell systems have an event log in the bios. Take a look
at the bios event log. You may find some hints.

Video is also historically a place to look. Try booting
in console/text mode.