[Xen-users] Re : Re : Re : Re : Re : Re : Which kernel may I compile ?

[David TECHER <davidtecher@xxxxxxxx>]

Emmanuel,

Thanks for your mail.

It is very usefull (for me first :) ).

---

De : Emmanuel COURCELLE <emmanuel.courcelle@xxxxxxxxxxxxxxxx>
À : xen-users@xxxxxxxxxxxxxxxxxxx
Envoyé le : Jeudi 12 Janvier 2012 8h30
Objet : Re: [Xen-users] Re : Re : Re : Re : Re : Which kernel may I compile ?

Hi everybody

Here the last email about this thread: I preferred to wait several days before sending it, but now I am sure that everything works OK

The only real problem was a Kernel compilation problem: for an unknown reason, when I do:

make oldconfig

all the DEBUG related parameters are switched to Yes. I had to change every DEBUG_ parameter from Y to N before the kernel compilation/

This leads to a modules directory of about 90 Mb, instead of 1.4 Gb if the debug parameters are switched on: with such large modules you need a very large dom0_mem, as David suggested to me. (I presume there are also performance problems)

So the correct solution was to compile the kernel after switching off all the DEBUG_ parameters, then boot Xen as usual, and the dom0_mem=512MB works perfectly well.
And now I have a domU with 96Mb memory

Well, thanks again for your help !

-- Emmanuel COURCELLE                emmanuel.courcelle@xxxxxxxxxxxxxxxx
L.I.P.M. (UMR CNRS-INRA 2594/441) tel (33) 5-61-28-54-50
B.P.52627 - 31326 CASTANET TOLOSAN Cedex - FRANCE


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