Re: [Xen-users] Strange Xen arithmetic ("Error creating domain: I need 65 MiB, but dom0_min_mem is 196...")

[Anthony Liguori <aliguori@xxxxxxxxxx>]

Modify the dom0_min_mem entry in /etc/xen/xend-config.sxp to from 196 to 64.

Regards,

Anthony Liguori

Stephane Bortzmeyer wrote:

> I run Xen 3.0, dom0 is a Debian "sarge" with kernel 2.6.12.6. I can
> start the first domU (I tried with several guests OS) but the second
> always fail:
>
> aslan:/etc/xen % sudo xm create gentoo-diggory.cfg -c
> Using config file "gentoo-diggory.cfg".
> Error: Error creating domain: I need 65 MiB, but dom0_min_mem is 196 and 
> shrinking to 196 MiB would leave only -85 MiB free.
>
> The box has only 196 Mb of RAM. dom0 received 48 Mb (and I can check
> with "free" that it is indeed the case). Each domU is configured for
> 64 Mb so I believe that 48 + 64 + 64 < 196. but Xen seems to think
> otherwise and display this strange sentence above.
>
> Any idea?
>
>
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>  
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