On 2011-07-28 07:15, Arno Steffen wrote:
Maybe you are so kind to give me a hint:

Try to migrate from Kernel 33 to 37. Currently I don't see any message after

   Verifying Checksum ... OK
    Loading Kernel Image ... OK
OK

Starting kernel ...

From what I understand kernel starts with start_kernel()).
What is best way to find out which part is failing? At which point I
do a printk to see what's going on, or at least set a GPIO Pin of the
processor?
How to debug without any external tools like JTAG.

Start with your bootargs - likely ttyS2 became ttyO2

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Gary Thomas                 |  Consulting for the
MLB Associates              |    Embedded world
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