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

[Jerone Young <jyoung5@xxxxxxxxxx>]

You must allocate less memory for domain 0. Xen itself reserves a fixed
portion of memory (can't remember off head), then you have so much left
for domains. 

Also a machine with only 128MB ram is not enough to do anything with,
you need room for other Xen domains. Try setting dom0_mem=65536. Then
you will have more than enough room to boot and create a  domain > 0
that is will not have much memory , but it'll work.

Also for others reading. A xen-users mailing list would be nice so these
questions can be put in an appropriate place.

On Tue, 2005-01-18 at 14:56 -0200, 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
>        module /boot/vmlinuz-2.6.9-xen0 root=/dev/hda3 ro console=tty0
> 
> Any help would be appreciated.
> Thanks
> 
> Fernanda
> 
-- 
Jerone Young
Open Virtualization
IBM Linux Technology Center
jyoung5@xxxxxxxxxx
512-838-1157 (T/L: 678-1157)



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