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Re: Show stopper bugs for 5.0



On Wed, May 21, 2008 at 04:40:06PM -0400, Michael Lorenz wrote:
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> 
> Hello,
> 
> On May 21, 2008, at 15:43, Manuel Bouyer wrote:
> 
> >On Tue, May 20, 2008 at 08:39:09PM -0400, Michael Lorenz wrote:
> >>I didn't commit the fix yet because chuq thinks that's just a
> >>workaround for a problem elsewhere, but I couldn't find anything
> >>remotely related in the 7400 errata list. He's got a dual 7455 which
> >>doesn't have this problem - his CPUs have L3 cache though, no idea if
> >
> >Maybe it's L1 cache have different characteristics ?
> 
> Both have 32kB instruction and 32kB data cache.
> 
> >Could it happen that this part of code has already been cached in your
> >L1 instruction cache at this point of operations, but not on chuq's ?
> 
> As far as I know the L1 caches should behave identical on both CPUs.

Do you know the line size and associativity ?

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
--


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