Re: Crash with vnd

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Fri, Apr 08, 2005 at 05:28:55PM +0300, Martti Kuparinen wrote:
> Martti Kuparinen kirjoitti:
> >Martti Kuparinen wrote:
> >
> >>Hi!
> >>
> >>I get a kernel panic when starting the 7th virtual machine using
> >>vnd7d as the disk (my script leaves vnd0 unused for now). Is
> >>anyone else having problems with xen when using many vnd devices?
> >>
> >>I'm running 3.0_BETA as my dom0 (updated today).
> >
> >
> >And before anyone asks, yes I do have the device nodes in /dev (created
> >for each vndX with "sh MAKEDEV vndX" ) and the XEN0 config has been
> >modified to support 50 vnd devices).
> 
> I don't know if this is related but the machine has 4 GB of RAM and I
> was trying to assing 256 MB for each VM. 7x256 + 128 (dom0) + Xen is
> close to 2 GB. Could this be reaching a magical limit somehow?

This is still below the 2G limit which could cause sign extention problems.
And I think part of the memory reserved by xen is in the top of the memory.

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
--