linux-kernel - Re: [BUG] mpc8323_rdb platform doesn't boot since kernel 3.16

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Message-ID: <557A86EB.1070509@c-s.fr>
Date:	Fri, 12 Jun 2015 09:14:51 +0200
From:	leroy christophe <christophe.leroy@....fr>
To:	Rob Herring <robh@...nel.org>
CC:	linuxppc-dev <linuxppc-dev@...ts.ozlabs.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Scott Wood <scottwood@...escale.com>
Subject: Re: [BUG] mpc8323_rdb platform doesn't boot since kernel 3.16



Le 10/06/2015 20:17, Rob Herring a écrit :
> On Wed, Jun 10, 2015 at 10:12 AM, leroy christophe
> <christophe.leroy@....fr> wrote:
>> Le 06/06/2015 17:32, Rob Herring a écrit :
>>> On Sat, Jun 6, 2015 at 6:20 AM, christophe leroy
>>> <christophe.leroy@....fr> wrote:
>>>> I've got a MPC8323 RDB evaluation platform from freescale
>>>> kernel 4.0 doesn't boot
>>>> kernel 3.16 doesn't boot
>>>> kernel 3.15 boots ok
>>>>
>>>> I disected the issue down to your commit "of/fdt: Convert FDT functions
>>>> to
>>>> use libfdt" (e6a6928c3ea1d0195ed75a091e345696b916c09b)
>>>>
>>>> Do you have an idea of what the issue could be ?
>>> Is your dtb older version of the dtb format (before 0x10)? libfdt
>>> doesn't work on the older versions.
>> Yes, dtb has version 0x11, which seems to be the issue (see below)
> In that your bootloader doesn't understand 0x11.
>
>>> If not, do you have logs with debug enabled in drivers/of/fdt.c?
>> I get "unflatten: error -11 processing FDT"
> Can I get the full debug prints.
Here it is:

  -> unflatten_device_tree()
Unflattening device tree:
magic: d00dfeed
size: 000020b5
version: 00000011
unflatten: error -11 processing FDT
unflatten: error -11 processing FDT
   size is 44dc, allocating...
   unflattening c3ff0b20...
fixed up name for  ->
fixed up name for aliases -> aliases
fixed up name for cpus -> cpus
fixed up name for PowerPC,8323@0 -> PowerPC,8323
fixed up name for memory -> memory
fixed up name for soc8323@...00000 -> soc8323
fixed up name for wdt@200 -> wdt
fixed up name for power@b00 -> power
fixed up name for i2c@...0 -> i2c
fixed up name for serial@...0 -> serial
fixed up name for serial@...0 -> serial
fixed up name for dma@...8 -> dma
fixed up name for dma-channel@0 -> dma-channel
fixed up name for dma-channel@80 -> dma-channel
fixed up name for dma-channel@100 -> dma-channel
fixed up name for dma-channel@180 -> dma-channel
fixed up name for crypto@...00 -> crypto
fixed up name for pic@700 -> pic
fixed up name for par_io@...0 -> par_io
fixed up name for gpio-controller@...8 -> gpio-controller
fixed up name for ucc_pin@02 -> ucc_pin
fixed up name for ucc_pin@03 -> ucc_pin
fixed up name for qe@...00000 -> qe
fixed up name for muram@...00 -> muram
fixed up name for data-only@0 -> data-only
fixed up name for spi@4c0 -> spi
fixed up name for mmc-slot@0 -> mmc-slot
fixed up name for spi@500 -> spi
fixed up name for ucc@...0 -> ucc
fixed up name for ucc@...0 -> ucc
fixed up name for mdio@...0 -> mdio
fixed up name for ethernet-phy@00 -> ethernet-phy
fixed up name for ethernet-phy@04 -> ethernet-phy
fixed up name for interrupt-controller@80 -> interrupt-controller
fixed up name for pci@...08500 -> pci
unflatten: error -11 processing FDT
unflatten: error -11 processing FDT
  <- unflatten_device_tree()

Christophe

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