[meta-freescale] Kernel 3.5.7 hangs

[Doug Schwanke]

I am trying to build kernel 3.5.7  Yocto 'Dora' using imx6qsabresd.
Everything builds without an error and I get a new uImage, as shown below.
However,  the kernel hangs while starting up.  Some folks in the imx
community have tried using  CONFIG_EARLY_PRINTK=y, but there are no messages
printed by kernel.

# I first clean before changing versions in order to clean up the 3.0.35
files...

bitbake -c cleansstate linux-imx

# change from 3.0.35 to 3.5.7 by adding the following line to my
local.config

PREFERRED_VERSION_linux-imx_mx6 = "3.5.7"

# rebuild kernel

bitbake linux-imx

# rebuild image

bitbake core-image-minimal

=========================================

Output files...

tmp/deploy/images/imx6qsabresd/u-boot.imx ->
u-boot-imx6qsabresd-v2013.10-r0.imx*

tmp/deploy/images/imx6qsabresd/u-boot-imx6qsabresd.imx ->
u-boot-imx6qsabresd-v2013.10-r0.imx*

tmp/deploy/images/imx6qsabresd/u-boot-imx6qsabresd-v2013.10-r0.imx*

tmp/deploy/images/imx6qsabresd/uImage ->
uImage--3.5.7-r0-imx6qsabresd-20131104212852.bin

tmp/deploy/images/imx6qsabresd/uImage--3.5.7-r0-imx6qsabresd-20131104212852.
bin

tmp/deploy/images/imx6qsabresd/uImage--3.5.7-r0-imx6q-sabresd-20131104212852
.dtb

tmp/deploy/images/imx6qsabresd/uImage-imx6qsabresd.bin ->
uImage--3.5.7-r0-imx6qsabresd-20131104212852.bin

tmp/deploy/images/imx6qsabresd/uImage-imx6q-sabresd.dtb ->
uImage--3.5.7-r0-imx6q-sabresd-20131104212852.dtb

=========================================

U-Boot 2013.10 (Nov 04 2013 - 09:49:56)

CPU:   Freescale i.MX6Q rev1.2 at 792 MHz

Reset cause: POR

Board: MX6-SabreSD

DRAM:  1 GiB

MMC:   FSL_SDHC: 0, FSL_SDHC: 1, FSL_SDHC: 2

*** Warning - bad CRC, using default environment

No panel detected: default to HDMI

Display: HDMI (1024x768)

In:    serial

Out:   serial

Err:   serial

Net:   FEC [PRIME]

Hit any key to stop autoboot:  0

mmc1 is current device

reading boot.scr

** Unable to read file boot.scr **

reading uImage

4686224 bytes read in 218 ms (20.5 MiB/s)

Booting from mmc ...

reading imx6q-sabresd.dtb

46128 bytes read in 20 ms (2.2 MiB/s)

## Booting kernel from Legacy Image at 12000000 ...

   Image Name:   Linux-3.5.7-1.0.0+g3285970

   Image Type:   ARM Linux Kernel Image (uncompressed)

   Data Size:    4686160 Bytes = 4.5 MiB

   Load Address: 10008000

   Entry Point:  10008000

   Verifying Checksum ... OK

## Flattened Device Tree blob at 18000000

   Booting using the fdt blob at 0x18000000

   Loading Kernel Image ... OK

   Using Device Tree in place at 18000000, end 1800e42f

Starting kernel ...

(hangs here.)

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