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Date: Tue, 19 May 2009 21:10:21 +0200
Message-ID: <90a5caac0905191210p7cdd57b5p5c1eb78727484784@mail.gmail.com>
From: Lucius Windschuh <lwindschuh@googlemail.com>
To: Artis Caune <artis.caune@gmail.com>, fs@freebsd.org
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Subject: Re: booting from GPT
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2009/5/19 Artis Caune <artis.caune@gmail.com>:
> Hi,
>
> I'm playing with GPT on amd64/stable7 (r192123).
>
> My workstation (no-name, Core2duo), IBM T60 laptop and IBM x3650/x3550
> servers are booting fine, but Intel Entry Server (SE7230NH1-E) can not
> boot:
> =A0 =A0"No bootable device -- insert boot disk and press any key"
>
> kernel is compiled with:
> =A0# Default partitioning schemes
> -options =A0 =A0 =A0 =A0GEOM_BSD
> -options =A0 =A0 =A0 =A0GEOM_MBR
> +options =A0 =A0 =A0 =A0GEOM_PART_BSD
> +options =A0 =A0 =A0 =A0GEOM_PART_MBR
>
> and bootable install usb is created with:
>
> # dev=3D"da0"
> # gpart create -s GPT ${dev}
> # gpart bootcode -b /boot/pmbr ${dev}
> # gpart add -b 34 -s 128 -t freebsd-boot ${dev}
> # gpart bootcode -p /boot/gptboot -i 1 ${dev}
> # gpart add -b 162 -s $(gpart show ${dev} |grep 'free -' |awk '{print
> $2}') -t freebsd-ufs ${dev}
> # newfs -n ${dev}p2
>
>
> Maybe box is too old?

I ran into a similar problem with an Atom board here.
The problem was here that the BIOS sees a MBR partition table (the
protective MBR with 1 GPT partition) without a booblable partition.
If you mark this GPT partition to bootable inside the protective MBR
with sfdisk on ${dev} or something similar, it should work.

Lucius
Lucius