Linux does not boot, unrecognized/unsupported machine ID (r1 = 0x00000000).

[Sascha Hauer]

Hi,

On Tue, Mar 08, 2016 at 10:18:07AM +0100, gianluca wrote:
> Hello list,
> here I am (again!) ;-)
> 
> Now I have downloaded the linux 4.5-rc6 (because I would like to use etnaviv
> gpu driver), configured as imx_v6_v7_defconfig, added the DEBUG_LL stuff for
> uart3 and added in the Makefile for dts my dts (more or less like Barebox
> one [in attachment] ), but here is what I get (compiling the kernel with
> DEBUG_LL for uart3):
> 
> >barebox 2016.02.0 #1 Mon Mar 7 13:15:11 CET 2016
> >
> >
> >Board: EK360 Eurek i.MX6 Quad
> >detected i.MX6 Quad revision 1.5
> >mdio_bus: miibus0: probed
> >imx-usb 2184200.usb: USB EHCI 1.00
> >imx-esdhc 2194000.usdhc: registered as 2194000.usdhc
> >imx-esdhc 2198000.usdhc: registered as 2198000.usdhc
> >imx-esdhc 219c000.usdhc: registered as 219c000.usdhc
> >imx-ipuv3 2400000.ipu: IPUv3H probed
> >imx-ipuv3 2800000.ipu: IPUv3H probed
> >netconsole: registered as netconsole-1
> >malloc space: 0x2ff7c160 -> 0x4fef82bf (size 511.5 MiB)
> >environment load /dev/env0: No such file or directory
> >Maybe you have to create the partition.
> >running /env/bin/init...
> >mmc2: detected SD card version 2.0
> >mmc2: registered mmc2
> >ext4 ext40: EXT2 rev 1, inode_size 128
> >Hit CTRL-C key to stop autoboot: 1
> >Running boot from uSD/MMC or USB...
> >Booting...
> >    Image Name:   Linux-4.5.0-rc6-EK20160302
> >    Created:      2016-03-07 12:30:32 UTC
> >    OS:           Linux
> >    Architecture: ARM
> >    Type:         Kernel Image
> >    Compression:  uncompressed
> >    Data Size:    6636352 Bytes = 6.3 MiB
> >    Load Address: 10008000
> >    Entry Point:  10008000
> >
> >Loading U-Boot uImage '/mnt/uImage'
> >Loading devicetree from '/mnt/dtb'
> >commandline: console=ttymxc2,115200 rootwait noswap ip=none noinitrd rootfstype=nilfs2 root=/dev/mmcblk2p3 fec.macaddr=0x7a,0x3f,0x03,0xe3,0xa2,0xff
> >Uncompressing Linux... done, booting the kernel.
> >
> >Error: unrecognized/unsupported machine ID (r1 = 0x00000000).

Looks like the device tree is not actually used. Could you boot with -v
please? Also, could you try a zImage instead of a uImage? Last not
least, does the problem persist on current barebox master?

Sascha


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