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Re: [Xen-users] Allocating memory

from [Ernst Bachmann]

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Subject:	Re: [Xen-users] Allocating memory
From:	Ernst Bachmann <e.bachmann@xxxxxxxx>
Date:	Mon, 26 Sep 2005 09:44:27 +0200
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On Monday 26 September 2005 09:04, Franck wrote:
> HI,
>
> i've problem to allocate all the memory.
> I've 768M RAM, 128M for Dom0 (dom0_mem=131072 in grub), 128M for DomU1 and
> 512M for DomU2.
>
> But DomU2 crash : Error: Error creating domain: (12, 'Cannot allocate
> memory').
>
> What's the max memory can i allocate for DomU2 ? 496M ???
>
> xm info :
> system                 : Linux
> host                   : xen2
> release                : 2.6.11.12-xen0
> version                : #2 Tue Sep 13 17:15:44 CEST 2005
> machine                : i686
> cores                  : 1
> hyperthreads_per_core  : 1
> cpu_mhz                : 851
> memory                 : 767
> free_memory            : 496

Yes, xen itself needs some memory to live in, thats why you can't allocate all 
memory to guest domains.

/Ernst

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