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SubjectRe: APIC errors w/ 2.4.0-test11-pre2
Rogier Wolff wrote:
>
> > I have seen the same problem on the same motherboard. It appears to
> > be a motherboard bug that 2.4 exposes and 2.2 doesn't.
>
> This PRINT was added in 2.4.
>
> You're seeing noise on the apic lines. The APICs notice, but every now
> and then you may see a lockup due to this. (i.e. if the corruption
> does not trigger a parity error, because two bits flipped!)
>

What I was seeing, though, was that 2.4 would lock up with an NMI deadman
after a few days. 2.2 never did. Even on other hardware I see very high
NMI rates, but no lockups, using 2.4.

-hpa

--
<hpa@transmeta.com> at work, <hpa@zytor.com> in private!
"Unix gives you enough rope to shoot yourself in the foot."
http://www.zytor.com/~hpa/puzzle.txt
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