Re: Linux & ECC memory

Kenneth Albanowski (
Thu, 14 Nov 1996 18:53:34 -0500 (EST)

On Thu, 14 Nov 1996, Richard B. Johnson wrote:

> ECC is handled in HARDWARE. It has to be. The idea is try to fix bad
> memory fetches rather than just executing the NMI which would declare
> that the system is broken then halt. I have not looked at the Linux NMI
> code, but with many errors of RAM using ECC, the NMI would not be executed
> because the bad fetch would be corrected.

This is what I'm curious about. Does Linux's NMI code attempt to work
around some memory problems, or does it just panic? Also, can the glue
report successful error-correction, as well as failed error-correction?
(Or is it not useful to know if your memory has/had an error that was

Kenneth Albanowski (, CIS: 70705,126)