Need help with Reboot cause

[m]

On Tue, Apr 07, 2009 at 11:07:12AM -0700, Peter J. Stieber wrote:
> PS = Pete Stieber
> PS>> This is going to sound vague, but here goes...
> PS>>
> PS>> I have a dual opteron system that has been acting as the
> PS>> worldly node for a small cluster of computers since
> PS>> September, 2004.  The machine is running the latest
> PS>> x86_64 Fedora 10 kernel that I recently loaded (April
> PS>> 2).  The machine reboots without warning.  I can't find
> PS>> the cause in log files (maybe I'm not looking in the
> PS>> correct log).
> PS>>
> PS>> I'm currently running memtest.  If all of the tests pass,
> PS>> could the community suggest other diagnostic tasks or
> PS>> information I could post to help diagnose the problem?
> PS>>
> PS>> I wish I could be more specific,
>
> AW = Anne Wilson
> AW> I'd tend to put my money on the PSU.  Do you have a spare
> AW> one that you can try?
>
> No, but that would be a good guess.  Maybe I'll see if I can order a  
> spare.  Anyone have a way of testing this without a spare?

They sell testers for PSU or you could use a voltmeter but these methods can leave room for doubt,  under a load is best and I don't know of an inexpensive tool that will do that so the best thing is just to swap it out.
>
> Thanks Anne,
> Pete
>
>
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