Re: MP kernel doesn't boot

[Michael Lorenz <macallan%netbsd.org@localhost>]

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Hello,

On May 2, 2008, at 11:49, Michael-John Turner wrote:
> On Thu, May 01, 2008 at 03:55:11PM +0200, Manuel Bouyer wrote:
> > An up-to-date current fails to boot on a dual-CPU ss10
> > (SPARCstation 10 MP (2 X 390Z55), No Keyboard):
>
> What kind of CPUs do you have and does your machine boot an SMP  
> kernel with
> 3.0 or 4.0? There was a regression [1] between 2.0 and 3.0 that  
> prevented
> machines with SM50s (cacheless, 50Mhz) booting an SMP kernel. I'm  
> not sure
> if it's been resolved.

Well, the SM50 lacks a cache controller and thus doesn't have any  
cache coherency support. The question should be why did it work in  
2.0 in the first place.

have fun
Michael


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