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Date:      Tue, 6 Dec 2022 23:59:30 +0900
From:      =?UTF-8?B?SGlyb28gT25vICjlsI/ph47lr5vnlJ8p?= <hiroo.ono+freebsd@gmail.com>
To:        Mark Millard <marklmi@yahoo.com>
Cc:        freebsd-arm@freebsd.org
Subject:   Re: Succeeded to boot on Lenovo Yoga C630
Message-ID:  <CANtk6Shwaea09TiTZq3UZwzCoXjm8TqkA930QQwS_i3_Awd5bg@mail.gmail.com>
In-Reply-To: <B55013C7-B04C-48E4-BC0F-C106DA08348F@yahoo.com>
References:  <CANtk6SgUoqC_Jgdtu=CZnFvnLzqP445MQqfwhV5%2BBgX_%2BVFUZA@mail.gmail.com> <B55013C7-B04C-48E4-BC0F-C106DA08348F@yahoo.com>

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Thank you.

2022=E5=B9=B412=E6=9C=886=E6=97=A5(=E7=81=AB) 3:49 Mark Millard <marklmi@ya=
hoo.com>:

> The following might be involved in your context.
>
> The following is from a successful boot of a HoneyComb via
> UEFI/ACPI (not device tree) via an old log file that I
> have around. Note the first two lines.
>
> . . .
> No valid device tree blob found!
> WARNING! Trying to fire up the kernel, but no device tree blob found!
> EFI framebuffer information:
> addr, size     0x0, 0x0
> dimensions     0 x 0
> stride         0
> masks          0x00000000, 0x00000000, 0x00000000, 0x00000000
> ---<<BOOT>>---
> GDB: no debug ports present
> KDB: debugger backends: ddb

OK, I (and the subject) was wrong. The loader boots, and show
following log at last:

Loading kernel...
/boot/kernel/kernel text=3D0x2a8 text=3D0x8bcbf0 text=3D0x1f97ac
data=3D0x1a6ac0 data=3D0x0+0x381000 syms=3D[0x8+0x11f6a0+0x8+0x1439ea]
Loading configured modules...
can't find '/boot/entropy'
can't find '/etc/hostid'
No valid device tree blob found!
WARNING! Trying to fire up the kernel, but no device tree blob found!
EFI framebuffer information
addr, size        0x80400000, 0x7e9000
dimensions     1920 x 1080
stride             1920
masks            0x00ff0000, 0x0000ff00, 0x000000ff, 0xff000000

and it stops here. No "<<BOOT>>" line is displayed.
So, it seems that the kernel is loaded but could not be started.

> . . .
>
> Such also happens for stable/13, releng/13.* based installations
> as well --and likely others too.
>
> ACPI booting does not use Device Tree information but the messages
> are output anyway about the lack. Only if you know that the context
> is a Device Tree style of boot are the messages actually reporting
> a problem.
>
>
> =3D=3D=3D
> Mark Millard
> marklmi at yahoo.com
>



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