Re: system lock up

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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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