One way is to run a service in one that is not present in the other. For example, try running an ssh or telnet server in your kernel, but not in uboot (To my knowledge neither is possible in the bootloader, but I may be wrong). That way, if you can connect to your board via ssh, then you know that the kernel must be up. But if it pings and you cannot connect, it means that only the bootloader (uboot) came up.
-Abraham V.
On Thu, Oct 24, 2013 at 11:33 AM, Andreas Neubacher < a.neubacher@abatec-ag.com> wrote:
hi,
is it possible to check if board is in uboot or in kernel via ethernet? is there any additional information we can readout with a simple ping, ...?
br, Andy
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