Re: UVM crash in NetBSD/i386 PAE with 32 GB of RAM

[David Laight <david%l8s.co.uk@localhost>]

On Tue, Jan 21, 2014 at 10:31:08AM +0000, Emmanuel Dreyfus wrote:
> On Mon, Jan 20, 2014 at 04:18:38PM +0000, Emmanuel Dreyfus wrote:
> > Changing memory fixed the problem. The machine now boots 6.0 i386 PAE
> > with SMP enabled and 128 GB of RAM installed, and it seems to be stable.
> 
> But I spoke too fast. It is stable, but the i386 PAE kernel does not
> sees more than 2 GB of memory. An amd64 kernel sees the whole 128 GB.
> 
> Is it possible that the chipset cannot run PAE?

I doubt it.

2G sounds like the amount of memory below 4G - but I'd have thought that
would be 3G (or even 3.5G).

It might be that having 128G has confused things somewhere.
PAE is also a bodge (at all levels) I'd run a 64bit kernel of that system.

        David

-- 
David Laight: david%l8s.co.uk@localhost