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From: Stefano Garzarella <stefanogarzarella@gmail.com>
Date: Tue, 15 Sep 2015 11:31:36 +0200
Message-ID: <CAO0mX5YwFpUhcWfni8QeyOzesFmLpCQnkPT5zFOYU5PokYdiFw@mail.gmail.com>
Subject: nanoBSD boot problem (on USB stick or as a HD)
To: freebsd-current <freebsd-current@freebsd.org>, freebsd-hackers@freebsd.org
Cc: Luigi Rizzo <rizzo@iet.unipi.it>
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Hi all,
I created a nanoBSD image for my gsoc project (ptnetmap on bhyve).

I would like to boot this image on USB stick or in the hypervisor as a HD.
I have some problem because if I set NANO_DRIVE="da0" (for USB boot)
in the nanoBSD configuration file, the boot from USB stick works well,
but when I try to boot the same image in the hypervisor as a HD,
I have the following mountroot error:

Trying to mount root from ufs:/dev/da0s1a [ro]...
mountroot: waiting for device /dev/da0s1a ...
Mounting from ufs:/dev/da0s1a failed with error 19.

Loader variables:
   vfs.root.mountfrom=ufs:/dev/da0s1a
   vfs.root.mountfrom.options=ro

mountroot>


At this point I need to manually specify "ufs:/dev/ad0s1a" to properly mount
the root.

Can you help me?
There is some tricks to avoid this mountroot error?

Thanks,
Stefano Garzarella