Subject: Re: Netbsd XEN nothing I can boot in
To: Ivan Vari <i.vari@niwa.co.nz>
From: Manuel Bouyer <bouyer@antioche.eu.org>
List: port-xen
Date: 09/13/2006 16:49:12
On Wed, Sep 13, 2006 at 05:24:04PM +1200, Ivan Vari wrote:
> >But your not having problems initialising PCI on Dom0 are you?
> 
> Not at all. dom0 appears to be 100% ok whatsoever.
> 
> >Everything at that level should be sufficiently hidden from any DomU.
> >If you can initialise a linux DomU, I can't see why NetBSD would be any 
> >different except that it may not be interfacing with the hypervisor 
> >correctly.
> 
> In theory yes but in reality I am not convinced. Note that I was able to 
> load even FreeSBD kernel but my NetBSD want to run on the other desktop 
> HW only???
> 
> >I'm inclined to agree with whomever mention that the DomU shouldn't even 
> >be using that driver and that it may be something up with that kernel. I 
> >would expect a Xen3 DomU to interface with a Xen3 hypervisor (bugs 
> >permitting) no-matter the OS.
> 
> Ok lets' put it that way. It's not the cciss driver then (which 
> eventually crashed my NetBSD dom0 hence gone for SuSE Linux dom0) it is 
> something else about my Proliant DL380. The HW doesn't seem to be 
> transparent enough and yes changing HW makes difference (note: both dom0 
> appears to be 100% and I was unable to diagnose any error, or problem 
> about them) otherwise I wouldn't have been able to load the same config 
> on the same OS on another desktop HW.

Hum, just a though. Could you try reducing the amount of RAM below 2G ?
mem=2047M to xen boot options should be enough.

I haven't tested Xen3 on large-memory systems ...

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