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Re: "Invalid kernel" error in netbsd 4 domU under xen 3.2, linux dom0

On Jan 29, 2008, at 2:39 PM, Silas Silva wrote:

On Tue, Jan 29, 2008 at 02:36:25PM -0500, Jim Cipar wrote:
It looks like a PAE/Non-PAE mismatch.  If Xen is compiled for PAE, it
can only boot PAE guests.  NetBSD Xen/PAE support was merged with
current a few days ago (according to the mailing list, I haven't tried it). The easiest solution is to use amd64 if you've got the hardware.

Sorry, forgot to tell the hardware. It is actually a x86 machine (Intel Xeon
1.86 GHz Dual Core). But it might have this feature.

I wonder if it would be better (easier and secure (it is a production
machine)) either to recompile xen or recompile the NetBSD kernel.

If it's a production machine, recompile Xen. The PAE support in NetBSD is very new, and some people have reported problems with it. The non-pae xen code is pretty well tested, though it is a pain to recompile, and can no longer support >4GB. We are using 8GB machines, which is why we just settled on using amd64.

Thank you very much.

Silas Silva - http://www.purl.org/NET/silas/site

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