[CentOS] Re: memorial day kernel panic
John R Pierce
pierce at hogranch.com
Tue May 27 17:44:06 UTC 2008
Ross S. W. Walker wrote:
> It would be great if there were a simple machine that you could plug
> a bunch of dimms of varying types into and it will perform high-speed
> tests on them continuously and flag ones that show an error.
>
> Then you could test all memory modules thoroughly before putting them
> into production servers (or any server for that matter).
>
and DIMMs could pass that hardware tester and still fail in a production
server due to differences in timing, capacitive/inductive signal load,
etc. especially sensitive are systems that use dual bank interleaving
on a single memory bus.
actually, said machines DO exist, known as ATE (Automatic Test
Equipment) but they cost $1M's
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