Re: Instant reboot when booting xen as guided ...

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

On Tue, Aug 14, 2012 at 06:07:09PM +0000, Jens Rehsack wrote:
> Hi there,
> 
> I want to prepare a machine for the NetBSD stand at the FrOSCon
> (http://www.froscon.de/en/home/) running NetBSD-6 as Xen-Dom0.
> 
> So I simply installed NetBSD-6 and pkgsrc/sysutils/xen*41, copies
> /usr/pkg/xen41-kernel/xen.gz into / (/usr is an own filesystem) and
> added following lines to /boot.cfg:
> 
> > menu=Boot Xen with 4096MB for dom0:load /netbsd-XEN3_DOM0
> console=pc;multiboot /xen.gz dom0_mem=4096M
> > menu=Boot Xen with dom0 in single-user mode:load /netbsd-XEN3_DOM0
> -s;multiboot /xen.gz dom0_mem=4096M
> 
> However, when booting one of them (I started with the single user
> mode to avoid issues ...), it first blames about missing
> //ffs/ffs.ko (or ffs.kmod - unsure), fails to enable the CPU's and
> finally reboots when doing something with the free memory.
> 
> Any ideas what is going wrong?

Can you try with less memory for dom0 ? there has been problems with
large dom0 memory in the past.

I don't understand how it fails to enable the CPUs (dom0 is still UP),
so there may be something else wrong here. Did you build your own kernel,
or did you use a snapshot ?

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