Re: [RFC/PATCH, 1/4] readX_check() performance evaluation

From: David Mosberger <>
Date: 2004-01-30 08:09:13
>>>>> On Thu, 29 Jan 2004 21:16:52 +0100 ("CET), Matthias Fouquet-Lapar <> said:

  Matthias> We have done a rather large study with DIMMs that had SBEs
  Matthias> I should have been more precice. We used field returned
  Matthias> parts which had reported SBEs and had been exchanged in
  Matthias> the field. Our goal was to see if any of these parts
  Matthias> "de-generate" over time. Most of these parts had hard
  Matthias> single bit failures in one or more locations.

Ah, that's more interesting, agreed.

  Matthias> As I said, we didn't find evidence that even hard SBEs
  Matthias> turn into a multiple bit error.

But you were changing the operating environment of the chip, so I
wouldn't draw too strong of a conclusion.  Or was the reason for the
hard SBEs known and it was determined that the operating environment
was not a factor in triggering them?

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Received on Thu Jan 29 16:11:20 2004

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