[PATCH 0/1] [Jaunty] LP#74179 -- support for i386 machines with >3GB RAM

[Scott James Remnant]

On Tue, 2009-01-27 at 16:37 +0100, Stefan Bader wrote:

> Scott James Remnant wrote:
> > On Tue, 2009-01-27 at 13:51 +0000, Andy Whitcroft wrote:
> > 
> >> Therefore I am proposing we create a new i386 only flavour generic64g
> >> which is identicle to the generic flavour except that it enables PAE and
> >> options that that requires.
> >>
> > What are the downsides of just enabling PAE in the generic kernel?
> 
> The downside is that CPUs without PAE support do not boot. And that are still 
> some around.
> 
Which CPUs, specifically?

Do they not boot, or just not address areas of memory?

Is there no way for the kernel to detect this like it does with just
about every other CPU feature and disable it on the fly?

Scott
-- 
Scott James Remnant
scott at canonical.com
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