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SubjectRe: Machine check expection panic
> The CPU's aren't overclocked and have worked fine for
> me under much heavier loads than booting a kernel for

It could be corrected ECC errors in the cache. If that
happens I would consider it a hardware problem

(now hidden with the disabled bank).

> at least a year. Using the 2.4 kernel that is. Once
> I remove the exception code from the kernel it boots
> fine and runs fine under any load I put it under.

I maintain that such a magic hack needs at least a big fat comment.

I still find the change very suspicious, there isn't any errata that
says that bank 0 is bad on Athlon.

Also disabling a whole bank just for some buggy CPUs is quite a sledgehammer,
it would be probably better to identify the bank 0 sub unit that causes it
and only turn that off.

-Andi

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