Re: [Xen-devel] not enough memory for DOM0 memory reservation

[Jan Kundrát <jan.kundrat@xxxxxx>]

Fernanda Barbosa Coelho wrote:
> Hi
> I have a PentiumIII with 131079 kb of RAM, I configed my system by 
> following the suggestions.
> When I boot xen0, the following error msg printed on the screen:
>
> (xen)> not enough memory for DOM0 memory reservation
>
>
> My grub configuration look like this:
>
> title Xen 2.0.1 / XenLinux 2.6.9
>        kernel /boot/xen.gz dom0_mem=131072 console=vga
>        module /boot/vmlinuz-2.6.9-xen0 root=/dev/hda3 ro console=tty0
Xen needs some amount fo memory for itself (32MB, according to what 
other people said), so you'll have to reduce the dom0_mem parameter by 
at least 32MB. And of course you'll probably want some memory for other 
domains, so you can decrease this number even more, or just use baloon 
driver for lowering dom0 memory usage on-the-fly.
-jkt

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