system lock up

[Mike McCarty]

chris wrote:
> Hi all,
> 
> I am somewhat at a loss for how to debug this problem.
> 
> Basically my system locks up, its a workstation grade Xeon I do 
> development on, essentially, the screen (in X) freezes, the keyboard 
> locks, the network locks (it stops responding to ping).  The only 
> visible indicator I get when it freezes is sometimes, I see a 4 or 5 
> pixel high band of grey/brown that spans the width of the window I am 
> currently working in.
> 
> I dont see anything out of the ordinary that something is wrong, I can 
> let the system sit for days and it runs fine, but when I start doing 
> work on it, I start seeing the freezes (it froze up twice in about 3 
> hours today).  But sometimes I can work several days in a row without a 
> problem.

This sounds like it might be a hardware problem.

> I would like any ideas on how to debug this.

First suggestion: run MEMTEST for a few days without interruptions.

No, wait, my Zeroth suggestion: Check that your fans are running
and that the CPU temp is not out of spec.

[snip]

Mike
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