AnsweredAssumed Answered

System stuck at "Starting kernel" by booting

Question asked by YaoLin Chang on Jul 21, 2015
Latest reply on Jul 22, 2015 by jimmychan

Hi All,

         Sometimes we add new device driver or modify present files.

However the system will stuck at "Starting kernel" when we boot board.

How do we check or debug this situation?


Some sample log as below:


U-Boot 2014.04 (Mar 20 2015 - 23:54:26)


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

CPU:   Temperature 24 C, calibration data: 0x5864ce7d

Reset cause: POR

Board: MX6-SabreSD

I2C:   ready

DRAM:  1 GiB


*** Warning - bad CRC, using default environment


No panel detected: default to Hannstar-XGA

Display: Hannstar-XGA (1024x768)

In:    serial

Out:   serial

Err:   serial

Found PFUZE100 deviceid=10,revid=11

mmc1 is current device

Net:   FEC [PRIME]

Normal Boot

Hit any key to stop autoboot:  0

mmc1 is current device

reading boot.scr

** Unable to read file boot.scr **

reading zImage

5564616 bytes read in 271 ms (19.6 MiB/s)

Booting from mmc ...

reading imx6q-sabresd.dtb

42195 bytes read in 19 ms (2.1 MiB/s)

Kernel image @ 0x12000000 [ 0x000000 - 0x54e8c8 ]

## Flattened Device Tree blob at 18000000

   Booting using the fdt blob at 0x18000000

   Using Device Tree in place at 18000000, end 1800d4d2

switch to ldo_bypass mode!


Starting kernel ...




Best Regards,