Re: [Xen-users] Weird memory problems

[Tom Brown <tbrown@xxxxxxxxxxxxx>]

any modern machine I've seen has a BIOS that will tell you how much memory
is in the box... I don't know what XEN itself uses, but it shouldn't be
much (looks like maybe 2-5 meg) ... so take 10 or 20 meg off what the
machine has... as long as you don't spec more than that to dom0 you should
be ok... obviously you can't give dom0 256 meg on a 256 meg machine...

once you get xen up and running "xm info" should give you some numbers on
what is in the box.

-Tom

On Mon, 11 Apr 2005, Sunny Dubey wrote:

> hey guys
>
> I've tried specifying the 256MB to dom0_mem= and it panics saying it couldn't
> allocate enough memory.  So I tried looking for the memory availability in
> 'dmesg' and 'free', and none of those values work either, the kernel still
> panics.
>
> dom0_mem=262144
>
> The Xen dom0 kernel works fine when I do something drastic like specifying
> only 128MB.
>
> dom0_mem=131072
>
> What is the correct way for figuring how much memory I have and such ?
>
> thanks
>
> Sunny Dubey




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