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

[Adam Heath <doogie@xxxxxxxxxxxxx>]

On Tue, 18 Jan 2005, Fernanda Barbosa Coelho wrote:

> Hi,
> I have xen-2.0.1 in 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
                                      ^^^^^^
Reduce this.

Xen has some internal bookkeeping memory, so you can't allocate the entire
memory to dom0.

In fact, this is rather strange thing to do, as then no memory would be left
to allocate to virtual instances.

>        module /boot/vmlinuz-2.6.9-xen0 root=/dev/hda3 ro console=tty0 Any


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