Need help : 10.2 + Xen dom0 support

Shree Kantha ya.shreekantha at gmail.com
Thu Oct 8 10:56:46 UTC 2015


Thanks a lot Roger for this information.

I am able to progress with this. I took below commits of you to stable 10.2:

   - rS280954: multiboot: fix error codes
   <https://reviews.freebsd.org/rS280954>
   - Diffusion Commit
   - rS280953: multiboot: zero mod list array
   <https://reviews.freebsd.org/rS280953>
   - rS277215: loader: implement multiboot support for Xen Dom0
   <https://reviews.freebsd.org/rS277215>

With this, i build kernel, and followed steps mentioned in :
http://wiki.xen.org/wiki/FreeBSD_Dom0.

when my system reboots, I see below error:


"ERROR: Not a Xen-ELF image: No ELF notes or '__xen_ost' section found

***********************************************************************************

Panic on CPU 0:

Could not set up DOM0 guest OS
***********************************************************************************
Can you please tell me if I am missng anything here. Well, I took the above
mentioned fix to correct the multiboot support.If there are any other
patches to be used, plz let me know.

thanks a ton,
Shree

On Tue, Oct 6, 2015 at 8:40 PM, Roger Pau Monné <roger.pau at citrix.com>
wrote:

> Hello,
>
> El 06/10/15 a les 16.25, shree ha escrit:
> > Hello Everyone,
> >
> > I am new to FreeBSD. Need your input on how I can get Xen dom0 support on
> > FreeBSD 10.2 release.
>
> Any reason you cannot use HEAD instead?
>
> > I went through :
> http://wiki.xenproject.org/wiki/FreeBSD_Dom0#Shortcomings,
> > but did not help me get following information:
> > (1) Is there a list of patches/code changes that I can pick and apply on
> > 10.2 to get Xen dom0 support?
>
> Most of my commits need to be backported in order to have Dom0 support,
> but IMHO, I'm not sure how many conflicts you will get when trying to
> apply them to stable/10. You can get a list using `svn log --search
> royger`.
>
> > (2) I see in one of the post, build fails. Just wanted to know if there
> are
> > any other changes required.
>
> I'm not sure what you mean with this, which build fails?
>
> Roger.
>
>


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