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

  • To: Emmanuel COURCELLE <emmanuel.courcelle@xxxxxxxxxxxxxxxx>
  • From: David TECHER <davidtecher@xxxxxxxx>
  • Date: Thu, 5 Jan 2012 23:26:54 +0000 (GMT)
  • Cc: "xen-users@xxxxxxxxxxxxxxxxxxx" <xen-users@xxxxxxxxxxxxxxxxxxx>
  • Delivery-date: Thu, 05 Jan 2012 23:28:39 +0000
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To be honest, I know it since a long time and I never tried to fix it.

Xen works...that all I need :)


De : Emmanuel COURCELLE <emmanuel.courcelle@xxxxxxxxxxxxxxxx>
À : David TECHER <davidtecher@xxxxxxxx>
Cc : "xen-users@xxxxxxxxxxxxxxxxxxx" <xen-users@xxxxxxxxxxxxxxxxxxx>
Envoyé le : Jeudi 5 Janvier 2012 17h06
Objet : Re: [Xen-users] Re : Re : Re : Re : Which kernel may I compile ?

Le 05/01/2012 16:43, David TECHER a écrit :


It should be enough (do not forget 'MB' )

you need to have enough memory to handle the init process

OK, thanks, it boots now (at least on my test computer, I'll only try next week on the prod server)

But I have another question, may be related... or not: when I compile the kernel, I noticed that the modules directory is really huge, compared to the original Debian directory:
du -sh /lib/modules/ /lib/modules/2.6.32-5-xen-amd64
1.3G    /lib/modules/
96M    /lib/modules/2.6.32-5-xen-amd64
After some investigation, it appears that each .ko file is about 10 times bigger after recompilation:
ls -l lib/modules/  lib/modules/2.6.32-5-xen-amd64/kernel/fs/ext4/ext4.ko
-rw-r--r-- 1 root root  526872 Oct  3 11:21 lib/modules/2.6.32-5-xen-amd64/kernel/fs/ext4/ext4.ko
-rw-r--r-- 1 root root 6553221 Jan  4 16:31 lib/modules/
May be this is the reason why dom0 needs so much memory in the new version: do you have any idea of how I could fix that ?

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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