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Re: [Qemu-discuss] dumpdtb on ARM

From: Nerijus Baliunas
Subject: Re: [Qemu-discuss] dumpdtb on ARM
Date: Thu, 27 Apr 2017 18:49:43 +0300

On Thu, 27 Apr 2017 17:36:34 +0200 Thomas Huth <address@hidden> wrote:

> > how do I use dumpdtb on ARM? It works on PPC64:
> > qemu-system-ppc64 -machine dumpdtb=file.dtb
> > it dumps device tree to a file.
> > 
> > qemu-system-arm -machine virt-2.9 dumpdtb=file.dtb
> Try to use a comma here -----------^
> I.e.: qemu-system-arm -machine virt-2.9,dumpdtb=file.dtb

It worked, thanks! But the file size is 65536 and if I try to use the generated
file to boot arm uefi VM (added "devicetree /boot/file.dtb" to grub.cfg), I get:

Loading Linux 4.10.11-200.fc25.armv7hl ...
Loading initial ramdisk ...
ConvertPages: range 41FF8000 - 42008FFF covers multiple entries
error: out of memory.

Press any key to continue...
error: device tree must be supplied (see `devicetree' command).

  Failed to boot both default and fallback entries.

Press any key to continue...


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