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[Xen-users] xm balloon woes

  • To: <xen-users@xxxxxxxxxxxxxxxxxxx>
  • From: "Utsav Agarwal" <uagarwal@xxxxxxxxx>
  • Date: Thu, 11 Aug 2005 16:49:04 -0500
  • Delivery-date: Thu, 11 Aug 2005 21:47:24 +0000
  • List-id: Xen user discussion <xen-users.lists.xensource.com>
  • Thread-index: AcWevn4Ga0+9dwP8Qo6FYFAzhzjO4A==

Hello all,

      My machine has 512 MB of memory of which 32 MB is used for video and 64 by XEN. Therefore, I have domain0 booting off approx. 415 MB (mentioned in /boot/menu/menu.lst)


free reports 415 MB total memory.

#xm balloon 0 128

#/etc/init.d/xendomains start

#xm list

Domain-0 -> 128 MB

Domain-1 -> 128 MB

Domain-2 -> 128MB

free still reports 415 MB total memory.


Which is all good.


Now, when I did a xm balloon 0 256 (out of bound:  415 minus mem for domain1 minus mem for domain 2 is ~140) the machine locked.. Without giving any error message. I would have expected an out of range error.


I am running 2.6.8-14.24-xen kernel.


Thanks for any explanations in advance.



Utsav Agarwal

Systems Analyst



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