Re: [Xen-devel] FreeBSD PVHVM call for testing

[Craig Rodrigues <rodrigc@xxxxxxxxxxxxxx>]

On Thu, May 23, 2013 at 6:30 AM, Roger Pau Monné <roger.pau@xxxxxxxxxx> wrote:

On 23/05/13 15:20, Jeroen van der Ham wrote:
>
> On 13 May 2013, at 20:32, Roger Pau Monné <roger.pau@xxxxxxxxxx> wrote:
>> Also, I've created a wiki page that explains how to set up a FreeBSD
>> PVHVM for testing:
>>
>> http://wiki.xen.org/wiki/Testing_FreeBSD_PVHVM
>
>
> You mention on that page that it is easier to install on 10.0-CURRENT snapshots.
> What are the issues with installing this on 9.1? Is it possible?

I don't think it is recommended to use a HEAD (10) kernel with a 9.1
userland. You can always install a 9.1 and then do a full update with
the source on my repository.

 

Actually in FreeBSD, it is possible to run an older userland on a newer kernel,

and a lot of effort is spent in preserving this type of backwards compatibility.

So a 9.1 userland with a 10 kernel will work.

However, running a newer userland on an older kernel is not guaranteed to work.

So running a 10 userland with a 9.1 kernel will most likely not work.

However, since you guys are doing very cutting edge stuff with 10-CURRENT,

it is better that you do not waste time with 9.1.

I recommend you start with a 10.0 CURRENT snapshot ISO and go from there.

I am going through a similar setup exercise with a Google Summer of Code student
where he needs to have a latest CURRENT system running in a VM.

I wrote this blog post:

http://blogs.freebsdish.org/rodrigc/2013/05/24/setting-up-a-vm-for-doing-gsoc-work/

for the steps how to do it.  You can follow those steps to get bootstrapped with a working environment if it helps you out.

Good luck.

--
Craig

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