On Fri, 15 Apr 2005 08:46:40 +0300
Martti Kuparinen <martti.kuparinen@iki.fi> wrote:

> Juan RP wrote:
> > Hi, my computer has 512+256MB RAM and I wanted to assign 512 for
> > dom0 and 256 for a domU, but when trying to start the domU it says
> > cannot allocate memory... is there any way to use all my RAM memory
> > without leaving some free MBs?
> 
> What does dmesg say about the memory when booting a GENERIC kernel?

I have dom0_mem=512000, and 256 in domU.

dom0:

total memory = 496 MB
avail memory = 485 MB

When starting domU with memory = 256:

Error: Error creating domain: (12, 'Cannot allocate memory')

And I should use 512MB in domU not 496.