how to debug

[Matt Turner]

On Tue, Nov 3, 2009 at 11:56 AM,  <rray_1 at comcast.net> wrote:
> I know this is all very vague but I have to start somewhere
> I have a PIII pc that served me very well for several years
> A month or so ago it started rebooting any time I ran X
> I presently have CentOS 5.3 installed
> I have tried Ubuntu and Fedora with the same results
> X starts and will run normally for about 1 to 10 minutes then reboot
> I have a Nvidia AGP card and a ATI PCI card both produce the same results
> If I start X on the machine and only access it remotely via ssh it runs
> without any problems
> I have been using the xorg packages that come with the distributions
> Presently 1.1.1-48.52.el5
> Where do I start determining the problem

You should start by looking at X's log file, located at
/var/log/Xorg.0.log, and the output of the `dmesg` command.

Errors in Xorg.0.log are marked by the line beginning with (EE).

Matt