Re: wedges, why is dk0 root?

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

On Wed, Jun 10, 2015 at 03:59:54PM +0100, Stephen Borrill wrote:
> I added a 2nd (virtual) HDD to my installed VM, created a GPT and then a ufs
> wedge on it. At a reboot, it now decides that the wedge is the root device:
> dk0 at xbd1: 8f7dbfb4-0f7f-11e5-895b-5acb6b8c1887
> dk0: 20971453 blocks at 34, type: ffs
> boot device: dk0
> root on dk0
> root file system type: ffs
> warning: no /dev/console
> exec /sbin/init: error 2
> 
> NetBSD builder7 7.0_BETA NetBSD 7.0_BETA (XEN3_DOMU.201506020220Z) amd64
> 
> Is this right? It didn't happen with netbsd-5.

NetBSD/Xen doens't have a way to know which device is the root device,
it has to pick one and it eventually gets the wrong one.
You have to pass the root= option (e.g. extra="root=xbd0")

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