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Date:      Thu, 8 Nov 2012 05:00:48 -0800 (PST)
From:      Jack Mc Lauren <jack.mclauren@yahoo.com>
To:        Paul Schenkeveld <freebsd@psconsult.nl>, "freebsd-embedded@freebsd.org" <freebsd-embedded@freebsd.org>
Subject:   Re: nanobsd boot problem
Message-ID:  <1352379648.93982.YahooMailNeo@web126002.mail.ne1.yahoo.com>
In-Reply-To: <20121107151028.GA40957@psconsult.nl>
References:  <1351605941.79450.YahooMailNeo@web126002.mail.ne1.yahoo.com> <20121030145024.GA16785@psconsult.nl> <1352284360.76432.YahooMailNeo@web126003.mail.ne1.yahoo.com> <20121107120204.GA51120@psconsult.nl> <1352299354.47535.YahooMailNeo@web126004.mail.ne1.yahoo.com> <20121107151028.GA40957@psconsult.nl>

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=0A=0A> - The line 'NANO_BOOTLOADER=3D"boot/boot0sio"' selects a boot0 load=
er=0A> =A0(the part that goes into the first sector of your flash device)=
=0A> to be one that supports only a serial console.=A0 If you want VGA=0A> =
use 'boot/boot0' there.=A0 There's no boot0 loader that supports both=0A> b=
ecause it must be very small (max. 446 bytes).=0A=0AThank you, it worked co=
rrectly. =A0:)=0A=0AThere is an another problem, when i boot up from flash =
memory , i have an error. It seems that=A0the fstab file has not the correc=
t contents.=0AI changed the fstab file like this :=0A/dev/ad0s1a / ufs ro 1=
 1=A0=0A/dev/ad0s3 /cfg rw,noauto 2 2=0Abut after reboot i have this error =
:=A0=0Aa black screen with some messages like :=0AIf you have invalid mount=
 options, reboot, and first try the following from the loader prompt :=0Ase=
t vfs.root.mountfrom.options=3Drw=0Aand so on ...
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Date: Thu, 8 Nov 2012 07:19:58 -0800 (PST)
From: Jack Mc Lauren <jack.mclauren@yahoo.com>
Subject: nanobsd image 
To: "freebsd-embedded@freebsd.org" <freebsd-embedded@freebsd.org>
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hi all=0Athe last problem solved! But i can run=A0one of our systems=A0=A0w=
ith nanobsd image but on some of them i can't and i have the following erro=
r :=0A=0Aa black screen with some messages like :=0AIf you have invalid mou=
nt options, reboot, and first try the following from the loader prompt :=0A=
set vfs.root.mountfrom.options=3Drw=0Aand so on ...=A0=0A=0A=0AAre there an=
y options which may cause this problem and make this difference ???
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Subject: Re: nanobsd image
From: Ian Lepore <freebsd@damnhippie.dyndns.org>
To: Jack Mc Lauren <jack.mclauren@yahoo.com>
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On Thu, 2012-11-08 at 07:19 -0800, Jack Mc Lauren wrote:
> hi all
> the last problem solved! But i can run one of our systems  with nanobsd image but on some of them i can't and i have the following error :
> 
> a black screen with some messages like :
> If you have invalid mount options, reboot, and first try the following from the loader prompt :
> set vfs.root.mountfrom.options=rw
> and so on ... 
> 
> 
> Are there any options which may cause this problem and make this difference ???

It's hard to guess what's going on with a description of "messages
like..." rather than the actual messages verbatim.  But if I had to
guess at this point, I'd lean towards a difference between SATA devices
being "ad0" and "ada0" which might be different between target systems
based on the BIOS settings on each system for whether to present the
drives as legacy/compatible IDE versus AHCI.  The options used to build
the kernel also have some effect on ad0 vs ada0, but I'll admit to being
in a complete state of confusion over that because of working on systems
using 8.x, 9.x and 10.0 every day, and I've completely lost track of
what behaviors are seen in which versions.

-- Ian





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