On Wed, May 18, 2005 at 04:51:35AM +0200, hanjar wrote:
> Hello,
> 
> I've tried to get Xen running on current with PII 266MHz with
> 64MB RAM. Then I found out that wasn't enough. So I upgraded to 
> 192MB.
> 
> So when I boot the XEN0 kernel now I get an error telling me that
> there isn't enough memory available. Similar to this:
> 
> http://lists.xensource.com/archives/html/xen-devel/2005-01/msg00617.html
> 
> But the thing is, I don't specify all the physical memory available.
> I only specify 128MB in grub's menu.lst as dom0_mem=131072.
> 
> If I try to put dom0_mem=128M (as opposed to 131072) all I get is 
> Xen kernel that partialy tries to boot and then hangs.
> 
> This is all on current 3.99 (I'm typing this from a different machine,
> I can't recall the exact number).
> 
> The xen version is 2.0.5. 
> 
> What is the minimum requirement for Xen then ?

Xen itself will use 32MB. So with your 128M for domain0, you should have 32M
left, this should be OK. I've booted Xen+NetBSD on 128M machines.

If the Xen kernel hang it could be a hardware issue. Are you sure the
memory you added is good ?

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